Re: Topband: - Belden Snap n Seal

[HAROLD SMITH JR]

Sadly I have to tell you that a brilliant light that was Price has been dimmed. 
He is a silent key now. He will be missed.XYL Inge

  From: David Harmon 
 To: 'HP' ; 'Mike Waters'  
Cc: 'topband' 
 Sent: Thursday, October 5, 2017 11:07 PM
 Subject: Re: Topband: - Belden Snap n Seal
   
Yepme too.
I got everything at Lowes.tools and all.

One small thing.
The correct part number is SNS1P6U-50R.
The writing is small and Hank had a 5 in place of the second S.

Also...the color of the connector indicates what coax is supposed to be
used.
Red is the correct color in this case.
There is a chart on the Belden site indicating the color vs coax etc.
As I rememberthe box of 50 was about $26


73

David Harmon
K6XYZ
Sperry, OK


-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of HP
Sent: Thursday, October 5, 2017 5:09 PM
To: Mike Waters 
Cc: topband 
Subject: Re: Topband: - Belden Snap n Seal

I bought a box of 50 Belden Snap N Seal - the box says RG-6/6QS which I
assumed meant it was ok for both but have never used it on anything but
regular RG6 - I have the Belden Tool which I bought at same time. - part
number of the connector is SN51P6U-50R It was at LOWES and was much less
than ordering from a ham supplier . I cant find my receipt but remember it
beat u know who by a LOT. 73 Hank K7HP _ Topband Reflector
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Re: Topband: RX/TX Antenna decoupling, (OFF LIST)

[HAROLD SMITH JR]

Sorry to let you know that a brilliant light that was Price was dimmed on the 
21st. Price is a silent key now. He will be missed.XYL  Inge

  From: Rob Atkinson 
 To: topband@contesting.com 
 Sent: Friday, October 6, 2017 5:15 AM
 Subject: Re: Topband: RX/TX Antenna decoupling, (OFF LIST)
   
> Thanks for sharing this info.
> Would you please provide more information on the relay model number and how
> it is wired into your system.

I used a P open frame relay 4PDT but a single throw will work.
What's important is that the relay use metal other than steel (or
other magnetic metal) for the RF path.  The P PM17DY satisfies this
requirement.  I mounted it in a plastic box and mounted UHF jacks on
the ends and ran copper strap and AWG10 stranded to the relay, using
the AWG10 for the center conductor.  I used two poles for the center
and two for the cable shield.  On rx the relay is open and the
inverted L is disconnected from the shack and common mode RF prevented
from continuing to the shack.  The plastic box is important for this
-- a typical metal box would allow the shield RF to continue from the
UHF jack flanges around the relay at all times.  The relay I used has
a 24 v. coil because my T/R sequencing system runs on a 24 v. DC
supply.  This as all antenna relays should be used with a sequencer to
avoid hot switching.  Obviously this is not a solution if one desires
QSK.  In that case a faster switch is needed.

73

Rob
K5UJ
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Topband: Fw: Made it! 80 Years a Ham

[HAROLD SMITH JR]

  
Dear Paul, Really nice that you made it. 
My class B license was issued Dec 7th, 1950. I was  16 years. Boy that 13 WPM 
code was fast. Now mostly over 20 WPM. My original call was W0CKC.  I got my 
class A license a year later and my Extra in 1968. In 1975, having my license 
for 25 years, I got the call W0RI. I was wanting W0RF but the FCC sat on my 
application. This was right after they quit giving out call of ones choice. I 
got W0CKC back as a club call for the St. Louis Low-Banders Club. I was DL4SH 
when in the Army in Germany, 1959 to 1960.  Worked 100 countries with 50 watts 
to a 6146 and gnd plane. Used an old NC-44 receiver.
As one knows, back in the 50s most Xmitters were home made. I did get a BC458 
and adjusted the VFO condenser for 40 meters. Made a lot of TVI.  I enjoyed 
reading you post. 
73 and many more years. 
Price W0RI

  From: PAUL M ELLIOTT 
 To: topband@contesting.com 
 Sent: Thursday, January 19, 2017 9:34 AM
 Subject: Topband: Made it! 80 Years a Ham
  
Made it! 19 January 2017, is the 80th anniversary of my first ham license,
Class C operating privileges with W5GGV as my call. Was 14 years old at the
time. A little over a year later I upgraded to Class A.  Many years later
the Extra Class (with no added privileges) came along. Upgrade

 

 

 

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Topband: Fw: 160 meter long path

[HAROLD SMITH JR]

  
I remember years ago (25?) working ZL3GQ,SK, on 160. It was around 2100Z. It 
had to be LP as the short path would have been mostly in day light. 
73 Price W0RI

   
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Re: Topband: 160 m inverted L

[HAROLD SMITH JR]

  From: Herbert Schoenbohm 
 To: topband@contesting.com 
 Sent: Tuesday, November 8, 2016 5:12 PM
 Subject: Re: Topband: 160 m inverted L
   
Bread slicers have their issues and are not really the best solution.  



Herb, I must agree with you. Over 25 years ago, I tried to shunt feed my tower. 
I had a very heavy duty "bread-slicer".It tuned fine. But when I put power, 
1500 watts, to it the plates warped. I changed to a couple of Vacuum Variables, 
500pF @ 7.5kV and everything is fine. The tuning has never changed. I set it to 
1830kHz @ 1:1 vswr and the 2:1 bandwidth is ~ 40kHz. 73 de Price W0RI












   
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Topband: Fw: Battle Creek Special - 160 Resonance

[HAROLD SMITH JR]

 
- Forwarded Message -
 From: HAROLD SMITH JR <w0ri...@sbcglobal.net>
 To: "thoy...@verizon.net" <thoyer1@v
 Sent: Saturday, October 29, 2016 10:25 PM
 Subject: Fw: Topband: Battle Creek Special - 160 Resonance
   
Hello Tom, You might want to contact George W8UVZ or George K8GG about your 
problems. The frequency of the lowest VSWR is most of the time NOT the resonate 
frequency. 
The resonate frequency can be measured by disconnecting the feed-line and 
replace with a few turn link at the feed point and check with a good Grid-Dip 
meter. Then adjust the antenna to the frequency that you want and the check the 
VSWR.  Then match the antenna to the feed-line.

   --
 From: thoyer <thoy...@verizon.net>
 To: topband@contesting.com 
 Sent: Saturday, October 29, 2016 5:16 PM
 Subject: Topband: Battle Creek Special - 160 Resonance
   
I built this antenna several years ago. I never really had a good resonance
on 160 though. Best I could do was 3.5:1 or so. I used the xcvr ant tuner to
match it without issue. 
 
Since it had been up for many years I brought it down a couple weeks back
for maintenance. I reworked the traps and adjusted the length of the first
section to give me a better match in the CW portion of 40m. 
 
The reworked traps dip at approx 7.12mhz for the 40m trap and 3.5mhz for the
80m trap.
 
Put the antenna back up today and have a nice match in the CW portion of 40,
but the 80m resonance has shifted down to around 3.3mhz and I see no
resonance on 160m.
 
Some numbers from the MFJ analyzer:
 
40m 7.05mhz 44, 10 and 1.2 VSWR
 
80m 3.51mhz 91, 136 and 5.8 VSWR
 
160m 1.81mhz 18, 37 and 4.1 VSWR
 
I have about 40 radials varying in length from 50 to 60 feet depending on
the yard.
 
The 80m loading wire is approx 15' long
 
The 160m "L" is approx 72 feet long
 
The overall height of the antenna is 50ft.
 
Any suggestions for how to obtain a better resonance on 160?
 
Tom
W3TA
 
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Topband: Fw: WD-1 Wire impedance

[HAROLD SMITH JR]

- Forwarded Message -
 From: Herbert Schoenbohm 
 To: topband@contesting.com 
 Sent: Monday, October 10, 2016 11:54 AM
 Subject: Re: Topband: WD-1 Wire impedance
   
Some discussion of WD-1A on Google claims the impedance is 170 ohms and 
other claim 70 ohms.  I have 1/2 mile on a spool that I will measure 

> Herb Schoenbohm, KV4FZ


Hi Herb and all, 
When I was in the Army, 1958 to 1960,, I was a "Field Communications Crewman". 
It meant, I helped string telephone wire. 
We used what was called WD-1TT. It was two separate conductors. They were 
twisted, not molded together. Each conductor was made of 3 steel wires and 4 
copper wires making a 7 strand conductor. It might have been 4 steel and 3 
copper.
I have never found listings for WD-1TT on eBay. We spliced it by stripping 
about 10 inches from each conductor and tying a square knot and twisting the 
loose end on the conductor and covering with friction tape and then Scotch 
electrical tape. We could run 3 telephone circuits on 2 wires and ground with 
isolation transformers. 
Regards...Price  W0RI

   

   
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Re: Topband: Waterproofing a tupperware - drainage & advice

[HAROLD SMITH JR]

Gary, I would provide a drainage hole at the lowest point of the box. A one 
inch diameter hole covered with very fine screen wire. I would glue it in with 
silicon-rubber glue. If the box is sealed completely, you will have a buildup 
of condensation, been there and had it. I had a prop-pitch motor that was 
completely sealed. I always had water in it. It was condensation, I provided a 
drain hole at the lowest point and all was well. 73 es GL...Price W0RI

  From: Gary Smith 
   
Rather than invent a poorly designed 
wheel, maybe someone here has already 
successfully worked out a better solution 

I don't want to make access holes for 
insects but I need to keep it dry inside.
Once the holes are sealed there isn't much 
access for water getting in. Murphy being 
a McGuiver, should I drill a couple small 
holes in the bottom for drainage or should 
I leave it as is and not provide for 
drainage?

73,

Gary
KA1J

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Re: Topband: best headphones for cw

[HAROLD SMITH JR]

Hi Chuck, I am using a pair of Koss KO.727s headphones. They work very nice 
with my K3 and my Yaesu FT920 and FT1000. I have been using them for years and 
like them very well. I see that the Koss KO.727b is listed on eBay. 73Price 
 W0RI

  From: Charles Yahrling 
 To: Topband@contesting.com 
 Sent: Friday, June 17, 2016 3:07 PM
 Subject: Topband: best headphones for cw
   
Looking for tips for headphone types for K3, CW only, so need 1/4 inch
stereo jack.

Object is to isolate from ambient noise in the shack, such as relay clatter
from 1K-FA amp when keying.

Been using a cheap set that came with Yamaha keyboard - I like how they
attenuate hi freq band noise, but
tend to overdrive at high audio gain levels. Main problem is relay noise,
which throws off my keying at times.

tnx in advance

73, chuck AB1VL
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Topband: Fw: VK0EK confirmation

[HAROLD SMITH JR]

Kip, I have to agree with you 100%. Some of us are not as flush as others. That 
should not limit our QSLs. 73 Price   W0RI



 On Monday, April 18, 2016 11:38 AM, Kip Edwards  wrote:
 

 Jim,

    I think your diatribe in an apparent attempt to embarrass SP6AEG is
out of place in a public forum.  You have no idea of the his personal
circumstances, unless you chose to not disclose that you do.  The support of
DXpeditions such as VK0EK will continue to be a problem for all of us but
messages such as yours will not do a thing to help solve that problem.

    I know you fairly well and I'm willing to write it off to your
having a bad day, perhaps tired after Visalia.  But I think you owe SP6AEG a
public apology.

    73 Kip W6SZN

-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Jim Brown
Sent: Monday, April 18, 2016 9:06 AM
To: topband@contesting.com
Subject: Re: Topband: VK0EK confirmation

On Mon,4/18/2016 2:56 AM, Andrzej_SP6AEG wrote:
> Courtesy of my friend  Wlodzimierz Herej SP6EQZ paid a donation of $ 
> 10  for VK0EK.

Sounds like you're one of the last of the big spenders!

> To this day I have not found confirmation of my QSO on LoTW?.
> I sent the payment on April
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Checked by AVG - www.avg.com
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Topband: Resistors 470 ohm 2 watt

[HAROLD SMITH JR]

If one would look on eBay there are quite a few 470 ohm 2 watt Allen Bradley 
Carbon Resistors. They are non inductive and perfect for terminating an 
antenna. 73 Price  W0RI
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Topband: Shunt feeding

[HAROLD SMITH JR]

If anyone needs some info, drop me an email and I will send you some info. It 
has worked on towers from 55 to 80 ft with or with out a stack of antennas. 
73 de  Price w0riw0ri...@sbcglobal.net
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Topband: Fw: Stew and AH

[HAROLD SMITH JR]

I am sure that a few of you remember W8AH, Al Hicks. Al was a Tiger on all 
bands. If it was there he worked it. RIP Al    de Price W0RI



  
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Re: Topband: Why do rodents eat coax?

[HAROLD SMITH JR]

Dave, I converted to phillistrand 6700lb about 25 years ago. At that time their 
termination was with 4 cable clamps at each end. They were torqued to 25 ft/lbs 
as per instructions. I have 80ft Rohn 45G with a Telrex 20M546 at 81 ft, Hygain 
153BAS at 90 ft and a 103BAS at 100ft. My phillistrand ends are connected to 3 
1/2inch galv pipe in the ground with concrete to 10 ft below. They are above 
ground at 8 ft. I have had winds over 100 mph and all is well. I use an Orion 
2800 rotor. 
73 de Price W0RI 


 On Monday, November 9, 2015 9:09 PM, "Dave Blaschke, w5un"  
wrote:
   

 Same here.

W5UN

On 11/10/2015 1:00 AM, Herbert Schoenbohm wrote:
> I use Phyllistran guy wires here but never run them to the ground as a 
> simple brush fire could bring your towers down. Always have at least a 
> 3O foot steel guy wire for the last section so you guys will survive.  
> If you have the unusual situation where some rodents will try to climb 
> the guys just put a large funnel on the wire backward so they can't 
> ever pass that.
>
> Herb Schoenbohm, KV4FZ
>
> On 11/9/2015 8:24 PM, Merv Schweigert wrote:
>> Boxbe  This message is eligible for 
>> Automatic Cleanup! (k...@flex.com) Add cleanup rule 
>> 
>>  
>> | More info 
>> 
>>  
>>
>> I have this same problem all the time,  I tried to put a BOG out, 
>> made of teflon wire,
>> thinking they would not eat teflon,  it lasted a few days and was chewed
>> In pieces,  Coax the same,
>> Latest I found is my phyllistran guy wires are all chewed near the 
>> bottom,
>> herds of deer are the problem with that,  anything on the ground is done
>> away with by mongoose.
>> I have found no solution,  only sunny part is the deer keep me in 
>> steaks and
>> burger all year round,  mongoose is good for nothing.
>> Merv K9FD/KH6
>>
>>
>>
>> I can't afford to spend $150 each time an animal feasts on it. I need 
>> to do something different! Incidentally, the beverage still has great 
>> directivity, but signals are very weak with the bad cable. It is 
>> barely useable now as a result. 73 Dave K1WHS
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Re: Topband: KD9SV-OK1RR relays ???

[HAROLD SMITH JR]

Hello to All;
Many years ago Alpha used a very nice QSK sequencing circuit for the Alpha 77, 
NOT 77DX,D,SX, just the plain 77 ( 1971). It used a RJ1a and a reed-relay, a 
couple of diodes and a resistor. It was powered with 55 volts. Worked very good 
and I have the diagram. I have used it for years at 1.5 kW and no problems.
73 de Price W0RI 


 On Sunday, August 30, 2015 7:01 PM, Tom W8JI w...@w8ji.com wrote:
   

  I'm not sure goosing the pull-in voltage is always a good idea. It may
 shorten the initial closing time a bit, but (depending on the relay)
 it can aggravate contact bounce, doing more harm than good. It also
 stresses the relay.


Done properly, it doesn't hurt a thing. The proper way is to use current 
limiting.

It is safe to run 50 volt supplies on most 12 volt relays, but there is a 
point of diminishing returns on speed. The high initial voltage ramps up the 
magnetic field faster, but it does not cause excessive heat or current. This 
is because the relay starts at near zero mA from inductance.

None of this matters, though. Using a relay on make for protection is a bad 
idea. The de-active state should be used for protection, and the active 
energized state used to allow RX. 

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Re: Topband: alternative feedpoint capacitor

[HAROLD SMITH JR]

Hi Steve, 
I am shunt feeding my 80 ft tower with a stack on top. I first tried air 
variables and the loading changed with power. I went to vacuum variables and 
all is well. 500pf @ 7.5kV. 73 Price W0RI 


 On Sunday, August 2, 2015 7:11 PM, Steve Flood kk...@bresnan.net wrote:
   

 My top-loaded vertical needs a series 260pF capacitor at the feedpoint to
match the 53 + j335 impedance (1.825 MHz) to my coax feed.

I have a few different air-variables I could use, but I was wondering what
sort of fixed capacitors would be suitable in this application.

Max power is 1500w.  I have doorknob caps but they don't have current
ratings marked on them.

 

Thanks,

Steve KK7UV  



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Re: Topband: earth tester

[HAROLD SMITH JR]

Jim, 
And after measuring it, I don't believe anyone will do anything about it. The 
PolyPhaser manual has some good info on lightning protection. 
73 de Price W0RI 


 On Wednesday, April 22, 2015 11:47 AM, Jim Brown 
j...@audiosystemsgroup.com wrote:
   

 What do you want to measure?  These testers, as well as the fall of 
potential method, measure the impedance to earth at dc and low audio 
frequencies.

It's important to remember that a connection to earth is for lightning 
protection, and does not make a TX antenna work better.

If you want to measure your soil conditions, N6LF shows a method on his 
website. It uses a driven rod that passes through an opening in a wire 
screen. Z between the rod and the screen is measured using a vector 
impedance analyzer, first before the rod is driven, and again after 
being driven to its full length, and soil parameters are computed from 
the two measurements.  I've thought about doing this, but never got 
around to it.  This measurement yields the data on the soil conditions 
that affect the performance of vertical antennas.

73, Jim K9YC



On Wed,4/22/2015 6:00 AM, Paul Christensen wrote:
 Do you use a earth tester?  Which brand do you know is very good and 
 accurate to consider?

 Jorge,

 If you can, try and find a clamp-on earth tester rather than the 
 type that relies on the fall-of-potential method with electrodes. 
 There are several good clamp-on units by Megger, Fluke and AEMC. I 
 recently acquired an AEMC model 3711.  It wasn't supplied with a 
 calibration loop, but I found one from Fluke that quickly checks 
 calibration at 100, 50, 12.5, and 0.5 ohms. You'll want that 
 calibration loop to validate the accuracy of the clamp tester, 
 especially if you use an off-brand model from Asia.

 N4CC and I recently installed a large grounding field, with some 
 ground rods driven down to a depth of 24 ft.  The clamp-on device was 
 useful for quick validation.  Had we used a unit with electrodes, it 
 would have taken us much longer to perform our tests.  By the way, in 
 sandy/clay type soil here in north FL, we found that connecting 8 ft. 
 rods end-to-end to form a 24 ft rod substantially lowered earth 
 resistance by a factor of 10x.

 Paul, W9AC
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Re: Topband: Fw: #1 on the DXCC Honor Roll

[HAROLD SMITH JR]

Hi Frank, 

You took the words out of my mouth or fingers. 

Back in the 60s and 70s, I worked Charlie Mellen on 20 ssb quite often. Charlie 
was # 1 on the Honor Roll followed by Marv W6VFR for many years. Look in the 
old QSTs fron the 50s and 60s and you will see them both listed. Had a sked 
with W6VFR, W0OKC, W0NHR and W0NVZ every Sat Afternoon on 14275 for many years. 
73   Price W0RI


On Friday, February 27, 2015 5:40 PM, donov...@starpower.net 
donov...@starpower.net wrote:
 


Hi Herb, 

The DXer you're referring to is Charlie Mellen W1FH and the deleted 
DXCC entity is CR8 Damao, Diu. He kindly loaned my his CR8 QSL 
for a DXCC QSL display at the 1966 ARRL National Convention in 
1966. 

W6ODD/CR8 made 55 QSOs on August 2, 1948, the only activity 
from this DXCC entity taken over by military force in 1961. 

http://hamgallery.com/qsl/deleted/Damao_Diu/w6odd2.htm 

Google: W6ODD/CR8 

73 
Frank 
W3LPL 


- Original Message -
- Original Message - 

From: Herbert Schoenbohm he...@vitelcom.net 
To: TopBand List topband@contesting.com 
Sent: Friday, February 27, 2015 5:01 PM 
Subject: Topband: #1 on the DXCC Honor Roll 


 For years, some time ago, there was a DXER who was always #1 on the ARRL 
 DXCC Honor Roll. He always had one more country than everybody else. 
 I've never been able to find out what that country ( or entity as they 
 call it now) was, i.e. a country that this top gun had worked and that 
 no other DX-er had apparently worked. Nobody at the DXCC Desk (as they 
 call it) would not tell me either. 
 
 
 Herb Schoenbohm, KV4FZ 
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Re: Topband: K1N 5,399 q's on 160 M

[HAROLD SMITH JR]

Extra Class

I am sure that my wife could get her General and Extra class license by 
studying for one weekend or less, if she wanted to. 

When I got my Extra in 1968. There were no privileges. The test was send and 
receive code at 20WPM and the written test had many diagrams to draw. 
Not quite the same today. 

73 de Price   W0RI


On Wednesday, February 18, 2015 12:56 PM, Larry lkn...@nc.rr.com wrote:
 


On the 13th they were on 3725 and were switching between listening up 10-15 
and 3815+/- around 1100Z but you had to listen carefully to know which of 
those they were doing. They would take some 10-15 up and then take some 
around 3815 and then repeat the sequence.

73, Larry  W6NWS
-Original Message- 
From: Mike
Sent: Wednesday, February 18, 2015 12:44 PM
To: topband@contesting.com
Subject: Re: Topband: K1N 5,399 q's on 160 M

Larry .. don't jump all over me  what exatcly was in my control of
k1n ? --- sure i could risk a fine by calling on 3775 

I listened almost 10hrs straight (my wife not exactly happy - on
saturday ), while cleaning my radio room up ( garage) and via remote in
the living room... i didn't ever hear a notification that he was
listening ... up at 3800+ ... plenty of notices of 70Khz up.  and
frankly  do 100% of the hams have radios that are capable of splits
that wide  i see why heathkit twins were popular !!!


*I'm asking what did i miss*  besides not having a extra call 
its obious -- and ill state it any ways .. that i couldn't advance my
call to extra in 2days ...

I probably got my self banned from dxwatch.com for making requests for
some one to ask k1n to go to general .

were there 2ops on one band ? one working the Tx radio and another in
the general portion ?, it was not mentioned on their web page.

I hope ANTO is going to be adhered to ... it sounded like a good idea to
me ...

I guess i'll upgrade my call ... it is disappointing that location will
not be operating again for more than 10+years.

I never thought of trying to get ahold of the chopper pilot to pass a
message  that was a good idea.


PS ... i can't use a tuner i don't have -- ref to 60M (mfj-1798 antenna)
 Im not a DX chaser .. i'm the normal once in a while weekend guy
that has a hobby that the XYL tolerates.



On 02/18/2015 08:56 AM, Larry Burke wrote:
 With all due respect, Mike, these things are within your control and the
 DXpedition should not be held responsible for you not being able to work
 them. You'll find DXing way more fun when you upgrade (although K1N DID 
 look
 for Generals on some bands). With regards to 60m, many operators there 
 find
 a way to load their existing 80/160m antennas. At least one guy who worked
 them on that band uses what he calls a Bird Feeder -- which is in no way
 resonant on 60m.

 73, Larry K5RK


 -Original Message-
 From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Mike
 Sent: Wednesday, February 18, 2015 10:12 AM
 To: topband@contesting.com
 Subject: Re: Topband: K1N 5,399 q's on 160 M

 im sure i could of too ...

 i heard them for hours on 80M (3705 +70Khz)  some times even 20 over
 S9 but never ventured above 3800  cept once some one got them to go to
 60M ... and of corse i didn't have an antenna resonant for 60M .





-- 
Mike KC7NOA

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Re: Topband: Out-of-Turn Callers

[HAROLD SMITH JR]

Back in the days when it seemed that almost everyone were getting vanity call 
letters, one of the stations local to St. Louis obtained a K1** call. When the 
DX station went by the numbers he was calling with the 1s not the 9s or 0s.

Price W0RI


On Thursday, February 5, 2015 6:44 AM, Fortra for...@siol.net wrote:
 


Lou,

is that what you have said, an argument ?
Let us wait a week, and then we will judge...

73's Nermin S58DX



- Original Message - 
From: KE1F Lou lmecs...@cfl.rr.com
To: topband@contesting.com
Sent: Thursday, February 05, 2015 12:51 PM
Subject: Re: Topband: Out-of-Turn Callers


To us EP6T was European QSO Party.

GL and 73 Lou  KE1F

On 2/5/2015 1:51 AM, Jan Erik Holm wrote:
 Sorry if I´m a PITA right now but why even bother to
 have this debate about K1N on 160, it´s not even DX
 to NA, like a local station almost.

 Jeez how difficult can it be from the US, anybody with
 100W and a wet noodle for an antenna can work it. On
 80 I´m sure at least from the east coast they can be
 worked all day long.

 I don´t know about 160 since so far they haven´t been
 stronger then S2 due to geo mag storm and poor propagation
 66 degs north where I´m at but so far I´m very disappointed
 in their 80m operation, they never listen for EU or any other
 area, they work 99,5% NA, it is the USA/Canadian QSO party.
 I would have expected a totally different action by that
 bunch of operators, I´m very very sad and sorry to see
 where it all has went to.

 Now this might not be the case on 160, if I´m lucky propagation
 might get better and I might get a shot at it.

 73 Jim SM2EKM
 
 On 2015-02-04 01:15, Hardy Landskov wrote:
 I got up last night for my nightly bathroom ritual and just for grins
 listened to 160. They were calling CQ and I worked them on 2 calls. Not
 many trying to get them. This was 1035Z.
 N7RT

 - Original Message - From: Richard (Rick) Karlquist
 rich...@karlquist.com
 To: ws6x@gmail.com; topband@contesting.com
 Sent: Tuesday, February 03, 2015 4:51 PM
 Subject: Re: Topband: Out-of-Turn Callers


 Why not call around 0700Z after the
 band closes to EU and before it opens
 to JA?  A bunch of us in CA got them
 in the log last night fairly easily.

 Rick N6RK
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Re: Topband: [Bulk] Top Loading wires

[HAROLD SMITH JR]

The tower is 90 feet, not 50 feet.


On Wednesday, February 4, 2015 12:11 PM, Charlie Cunningham 
charlie-cunning...@nc.rr.com wrote:
 


Gee, I surely agree with Grant, Larry!  I've used EZNEC for MANY years, with 
great results, and I've designed, built, tested and measured many wonderful 
EZNEC designs - including some really complex killer antennas!


I do think that 28' top loading wires will be WAY TOO SHORT  atop 50 ft. of 
Rohn 25! More like 50-70' will be needed to resonate that tower. You will 
probably do just as well with TWO top-loading wires in a Tee configuration! The 
point is for the top-loading wires to extend the tower to 1/4 wave resonance on 
160.  Of course you could make an excellent 80m antenna with the 50' tower and 
some modest top-loading wires approaching the length that you are considering. 
GL!

If you are going to be experimenting with low-band antennas, EZNEC is a GREAT 
investment

73,
Charlie, K4OTV

-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Grant Saviers
Sent: Wednesday, February 04, 2015 11:28 AM
To: Larry - K1UO; Topband Reflector
Subject: Re: Topband: [Bulk] Top Loading wires

With an insulated tower, the cheapest EZNEC and other free NECs will yield good 
results.  Would you rather climb, cut, and trim a few times or spend $89 to get 
EZNEC?  Simple to learn.  And the demo version is free  eznec.com

Grant KZ1W
no affiliation, just a long term happy user

On 2/4/2015 7:27 AM, Larry - K1UO wrote:
 Could someone tell me the length of top loading wires (4 wires planned) 
 needed to add to the top of a base insulated 90 foot Rohn 25g tower to 
 maximize the radiation resistance on 160 meters.  I understand there is a 
 point of diminishing returns on the top loading lengths.  The 4 wire angles 
 will be around 45 degrees or as close as possible.If I knew how to model 
 ,or even had a modeling program, I would attempt this already relatively 
 simple task to many.
  From 50+ years of practical experience, I am ‘guessing’ maybe 28 feet long 
 each?



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Topband: RHR

[HAROLD SMITH JR]

Good evening All.

If someone wants to do it this way, well why not. 

I am on the top of the Honor-Roll 379 confrmd and all were worked within a 15 
mile area. I have 192 confirmed on 160. DXCC on 7 Bands. All from a 90 X 140 
foot lot. Only RX antenna on 160 is a homemade loop, Xmit antenna on RX is 
S9+10dB noise. We have lived here for 47 years and love our house. First 
license was class B in 1950 and then class A in 1951. Extra in 1968.

73 Price W0RI 

ps. I need Navassa onlu on 40 and 17 meters, so I won't call them.
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Re: Topband: AC line bypass capacitors

[HAROLD SMITH JR]

Hi Charlie,

I can remember when the Collins S-Line used .01 600volt disk ceramic capacitors 
on the power supply connector. They were from the AC switch to ground. They 
were almost always burnt and many times only the leads left. 

73 Price W0RI


On Wednesday, February 4, 2015 6:31 PM, Charlie Cunningham 
charlie-cunning...@nc.rr.com wrote:
 


Hi, Paul

For AC line bypass capacitors look for UL-rated Ceramic Disc capacitors that
typically have AC working voltages like 250 VAC or higher. These are
designed and rated for AC line service and can take the surges that occur on
AC lines.

Check Digi-Key, Newark and others - you'll find plenty!

73,
Charlie, K4OTV



-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Paul
Christensen
Sent: Wednesday, February 04, 2015 3:55 PM
To: topband@contesting.com
Subject: Re: Topband: AC line bypass capacitors


My 160 TX is causing RFI to one of my baseboard heater programmable  
thermostats (switches modes, temperature, when I transmit). The 
thermostat  has a 2 wire connection to 240VAC in a metal receptacle box 
that has a  third wire common ground wire. I would like to try 
bypassing the AC line.
 Can someone suggest an appropriate (safe) capacitor for this purpose, 
e.g.
 a Digi-Key or Mouser part number? Should I use one capacitor across 
the  240VAC or two capacitors, one from each 120VAC line to the common
wire?
 Thanks for the help.
 _

As a substitute for X1 Y2 line caps,  an in-line RFI/EMI filter can be
used that already contains the X/Y-rated caps.   See the bottom of p. 21:

http://audiosystemsgroup.com/RFI-Ham.pdf

These filters can often be cannibalized from old PC power supplies and
discarded industrial equipment.

Paul, W9AC


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Re: Topband: Out-of-Turn Callers

[HAROLD SMITH JR]

Very true Frank. 
73 Price W0RI


On Tuesday, February 3, 2015 6:28 PM, donov...@starpower.net 
donov...@starpower.net wrote:
 


Hi guys, 

We've beat up KK6ZM enough for his honest mistake, we all make 
mistakes. By now I'm sure Patrick has heard from his well known 
father and his uncles too and there's no chance he'll make that mistake 
again. 

Its time to move on... 

73 
Frank 
W3LPL 



- Original Message -

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Re: Topband: Logged Date Question

[HAROLD SMITH JR]

I guess, if you go in the opposite direction, you can become younger.

Price W0RI


On Friday, January 30, 2015 8:52 PM, Art Snapper a...@nk8x.net wrote:
 


I guess a remote station on the ISS isn't going to fly?

Art
ᐧ

On Fri, Jan 30, 2015 at 5:39 PM, Tree t...@kkn.net wrote:

 Yes - that is the important key - use the UTC time AND date at the
 remote QTH (where the transmitter is) as opposed to the one where the
 operator is located.

 Thanks for making it clear!!

 :-)

 Tree

 On Fri, Jan 30, 2015 at 2:28 PM, Jim - WS6X ws6x@gmail.com wrote:
  Date: Fri, 30 Jan 2015 08:26:58 -0800
  From: Tree t...@kkn.net
  To: 160 topband@contesting.com
  Subject: Re: Topband: NE7D loaded tower
 
  SNIP
  I do have one question about remote operating...  if I am on an airplane
  using this station during a contest - and travel over the international
 date
  line - what date do I put in the log?
 
   Cute question, Tree. Asking the question another way... If you were
  flying in an eastward direction, and the contest began on January 31, at
  , you quickly made 2 Qs, but at 0001 you crossed the IDL, would you
 have
  to wait nearly 24 hours to resume the contest? :o)
 
  However since you abide by a high ethical standard, and are operating a
  remote station, you would have known to abide by the UTC date of the
 remote
  QTH.
 
  73 - Jim, WS6X
 
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Re: Topband: EP6T and outside world

[HAROLD SMITH JR]

Very well put JC! You hit the nail on the head. 

73 de Price W0RI


On Friday, January 23, 2015 10:36 AM, JC n...@comcast.net wrote:
 




160 stopped becoming the Gentleman's Band ever since mainstream
manufacturers started incoroporating a spot marked 160 on the front of
their rigs  linears...



100% disagree..  160m is a gentleman's  band by choice, all of us can make
that choice, we respect the visitors that come and go, we don't blame them
we educate them by example. 

We don't fight the pig because the pig will get you into the mud and he
loves it.

Gentleman's and gentlewoman's are here to stay!


Regards
JC
N4IS

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Re: Topband: Fwd: cable clamps on old Phillystran

[HAROLD SMITH JR]

Hi Grant and Carl,

About 20 years ago, I replaced my steel guy wires on my 80 ft of Rohn 45G with 
6700lb Phillystran. At that time the end kits were 4 galvanized cable clamps 
and a plastic end cap. 
Their instructions said to torque the cable clamps to 25 ft/lbs. I also used 
RTV on the end caps. 
I have had no problem and the installation has been through winds over 80 mph. 
The Phillystrand 
did improve my shunt feed performance on 160. I did have to re-tune my Omega 
Match.
I also use 1200 lb Phillystran for the overhead guy on my Telrex 20M456

73  Price W0RI near St. Louis


On Thursday, May 29, 2014 10:44 PM, Grant Saviers gran...@pacbell.net wrote:
 


Ice is an interesting question.  I'll speculate that it doesn't matter 
much since the sheath is pretty flexible and the Kevlar has a small 
sensitivity to moisture.  The Kevlar demonstrated very high crush 
strength, I think about the same as its tensile strength, so to me that 
is not a concern.  However, if the sheath is degraded to expose Kevlar 
to UV then it is a whole different ballgame.  I also think it takes a 
bit of faith that the factory recommended plastic endcaps on current 
production Philly keep all moisture out.

Grant KZ1W

On 5/29/2014 7:45 AM, Carl wrote:
 What about ice forming inside the sheath from those breaks?

 Carl
 KM1H


 - Original Message - From: Tree t...@kkn.net
 To: 160 topband@contesting.com
 Sent: Thursday, May 29, 2014 9:48 AM
 Subject: Topband: Fwd: cable clamps on old Phillystran


 Forwarding from KZ1W:

 -- Forwarded message --
 From: Grant Saviers gran...@pacbell.net
 Date: Wed, May 28, 2014 at 9:56 PM
 Subject: cable clamps on old Phillystran
 To: topband@contesting.com
 Cc: t...@kkn.net



 Per prior topband posts and discussions about this topic, I've 
 concluded a
 round of testing of cable clamps on parallel strand (old style)
 Phillystran.  Here is the Conclusions and Summary I wrote:

 A hydraulic jack H frame press was modified to provide tension in 
 excess of
 20,000 lbs.  Tension was applied to a 4 foot long 5/8” od parallel 
 strand
 (old) Phillystran cable terminated with four 5/8” cable clamps and ¾”
 thimbles at both ends.  Clamp nuts were torqued to specific values 
 and the
 holding capacity of the cable assembly was measured over periods of 
 weeks.

 There is significant creep of the plastic sheath from the cable clamp
 forces between the clamp and the Kevlar core.  In the first test 
 sequence,
 the residual torque of the clamp nuts reduced by 65% in 21 days. 
 Subsequent
 tightening of the clamp nuts showed smaller sequential reductions of
 residual torques.  Five cycles of tightening were demonstrated as 
 necessary
 over a period of weeks to achieve sufficient residual torque of the 
 clamp
 nuts.

 A conclusion at 66 days since initial assembly was that four 5/8” 
 wire rope
 clamps, torqued in 5 cycles over weeks to a 50 ft-lb value, will 
 support a
 long term tension without significant slippage at the desired holding
 strength of 6600 lbs, about 25% of the cable rated strength. After 
 removal
 of the cable sheath, there was no visible damage to the Kevlar core 
 at the
 clamps or at the thimble.   It is speculated that a slightly higher 
 torque
 value than 50 ft-lbs would improve the slip strength.  Adding a 5th 
 clamp
 would further improve the slip strength.

 The core around the thimble showed evidence of small differential 
 slippage
 of fibers.  The test sequence was such that the fibers could slip 
 against
 each other as tension and clamp nut torques were increased 
 sequentially. Thus,
 the test process was not the same as tightening the clamps and then
 installing the guy.  However, the Phillystran tested is to be used at 
 25%
 of its rated strength, so the risk seems minimal in this case. Note that
 wire rope is expected to hold at least 80% of rated strength when 
 properly
 terminated with cable clamps, and is not sequentially pre-tensioned when
 put into service.  Whatever unequal forces exist in the individual wire
 strands around the thimble are equalized in some manner.

 From this testing, it seems unlikely that parallel strand Phillystran 
 can
 be reliably terminated with cable clamps at more than 1/3 of rated 
 breaking
 strength.  The simplified conclusion is that the cable will slip 
 unless the
 clamp has extruded out most of the plastic sheath in the clamping area.

 The planned tower has maximum pretension in the guys of 600 lbs.  
 Thus, the
 average long term tension is substantially below the measured slip value
 produced in these tests, so it seems unlikely that the preload 
 tension will
 cause slip over a period of years.

 Since the plastic sheath was breached by at least one clamp, water will
 intrude into the core.  Moisture does slightly reduce the strength of 
 the
 Kevlar fiber.  The clamp fully covers the split area so degradation from
 sunlight seems unlikely, although UV degradation is a major concern with
 

Topband: Teflon Tubing

[HAROLD SMITH JR]

If anyone is in need of some Teflon tubing, I have some # 11 gauge. It is fine 
for # 12 AWG or smaller wire. 
I am not trying to make money on this. I will sell it for 0.75 US$ per foot. I 
will ship world wide via USPS priority 
mail. Shipping cost will be $6.00 in the USA and US$20.00 worldwide. Please 
note that the postal rates for shipping to 
outside the USA have gone up this year. 

73 de Price W0RI near St Louis, MO
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Re: Topband: Antenna matching question

[HAROLD SMITH JR]

Tom, 

I have an amplifier with a pair of 3-400Zs I built in the 60s. When I built it 
it was for 20, 15 and 10 meters. 
I used 3 of the 5 positions of a BC375 tuning unit switch. Everything work 
fine. I added 160, 80 and 40 meters. 
160 was switched in and out with a RJ-1a vacuum relay. When I went to 20 and up 
meters the switch contacts arced. 
I added another RJ-1a to short out the unused lower band coils. I switch the 
RJ-1a's in and out with 2 mini toggle 
switches. One says 160---other bands, the other switch says low bands---high 
bands. It works fine on all bands. 
At that time 3-400Zs were new from Eimac $34.00 each. 

73 Price W0RI


 If this is only 160-40 you probably won't have a series resonance issue with 
 unused turns, but if you cover a wide range you will want to progressively 
 short the large coil taps. This is why band switches that do not short (like 
 the old National amp) and why large roller inductors mess up on higher bands.
 
 
 If you mean the NCL-2000 I suggest looking at the schematic again.  Or did 
 National make another ham amp that Ive missed??
 

Here you go, Carl

That's the wrong way to do a bandswitch. It does not pick up and hold the lower 
band contacts when switched to higher bands. This allows the taps to build up 
high voltages on lower band taps when working higher bands.

Switches should be pick up and hold, or progressively shorting.

73 Tom 
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Re: Topband: New MFJ 259C available

[HAROLD SMITH JR]

This sure doesn't sound like topband to me !
Price W0RI




Well, SMA is probably the most generally useful. With the adaptors in place,
we just have to make sure that we include the adaptors in our calibrations.
When it gets to be really witchy is when we need to calibrate a miniature
coax or semi-rigid line to solder into a PC board to measure at the input of
an IC, or balun, or printed antenna etc. Then we have to trim the line very
carefully and tack tiny surface mount 50 ohm and 0-ohm resistors across the
line to calibrate - each step being done under a microscope! Tedious - but
it can be done!

73,
Charlie, K4OTV

-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Carl
Sent: Tuesday, March 04, 2014 3:01 PM
To: Charlie Cunningham; j...@audiosystemsgroup.com; topband@contesting.com
Subject: Re: Topband: New MFJ 259C available

SMA for the 24GHz, open, thru and short. I also have high end adaptors to N,

APC, etc.

There may even be an old type N cal kit from back in the eighties

Carl
KM1H


- Original Message - 
From: Charlie Cunningham charlie-cunning...@nc.rr.com
To: 'Carl' k...@jeremy.mv.com; j...@audiosystemsgroup.com; 
topband@contesting.com
Sent: Tuesday, March 04, 2014 2:53 PM
Subject: RE: Topband: New MFJ 259C available


 Those should surely be accurate enough, but what kind of connectors?

 Charlie, K4OT V

 -Original Message-
 From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Carl
 Sent: Tuesday, March 04, 2014 2:41 PM
 To: j...@audiosystemsgroup.com; topband@contesting.com
 Subject: Re: Topband: New MFJ 259C available

 Can HP microwave loads be used? I have a set good to 24 GHz and another to
 50 GHz.

 Carl
 KM1H


 - Original Message - 
 From: Jim Brown j...@audiosystemsgroup.com
 To: topband@contesting.com
 Sent: Tuesday, March 04, 2014 1:35 PM
 Subject: Re: Topband: New MFJ 259C available


 On 3/4/2014 7:25 AM, Paul Christensen wrote:
 My only concern with the VNWA is in its ability to measure Topband
 antenna systems where sweeps are required into the AMBC band.

 I'm a VERY happy owner of the 3E model VNWA. I've made measurements on my
 160M antennas with no difficulty, but I'm out in the boonies, not close
 enough to strong BC signals to have seen any issues.

 As to precision of calibration loads -- after I got the VNWA, I did a
 search looking for calibration loads, and quickly learned that if you 
 want

 better than 1% precision, it's easy to spend as much for the load as for
 the VNWA itself!

 73, Jim K9YC
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Re: Topband: Still in search of resonance

[HAROLD SMITH JR]

Sorry Carl, I hit the send button before responding..Now.

I believe that first #14 wire is a bit small.
I do not believe that you will find a 50ohmZ and X=0 point. 

I have 80ft of Rohn 45G with a Telrex 20M546 at 80ft, 3el on 15 at 90 and 3el 
on 10 at 100ft. I shunt feed the tower for 160 
with a tap at 35ft using 1/2 EMT Conduit. At the end of the shunt rod I have a 
500pf Vacuum Variable to the tower base and a 500pf Vacuum 
in series from the shunt rod to the Coax. I can and did tune the Vacuum Caps to 
VSWR 1:1 at 1830kHz. 
I did this in 1991 and it gets out very well. It hears good but my noise is 
over S9 with it. DXCC on 160 is 192 cmfd.

73 de Price W0RI near St. Louis


List

Some of you may have followed my efforts in trying to shunt feed my 90' Tri-Ex 
Skyneedle with 20 meter yagi at 93'.  I'm still unable to find any sort of 
resonance point on the tower.  To refresh everyone's memory here are the 
specifics:

90' Skyneedle that is 12 round at the base and 4 round at the top

13' of mast out the top

5 element Telrex 20M monobander mounted at the 93' level.  No other antennas on 
the tower

1 ½ copper pipe as a radial ring that surrounds the concrete base that 
measures 4' x 8' rectangle.  Three  8' ground rods are connected to the radial 
ring via 1 copper strap that is .125 thick.

Currently I have 27 14AWG insulated wire radials.  Most of the radials are 20' 
to 50' long with three at 90 to 120' long and four of them connected to my 40M 
vertical array which have 100 count radials 50' to 100' each.

The tower is grounded to each ground rod via 1 copper strap .125 thick and, 
as mentioned above, the ground rods are connected to the radial ring with the 
same strap with copper clad stainless screws.

When I bolted the gamma arm to the tower at the 90' height I dropped a single 
14AWG wire to the ground where my FLUKE meter read ZERO ohms between the radial 
ring and the end of the gamma wire with no fluctuations so I'm confident that I 
have good continuity throughout the tower.

Here are the readings that I saw on the MFJ analyzer with the gamma arm mounted 
at the (4) points on the tower that are available...

With the gamma arm mounted at 90' and 36 spacing I saw 425 ohms at the end of 
the drop wire on the MFJ

With the gamma arm mounted at 67' and 36 spacing I saw 380 ohms at the end of 
the drop wire on the MFJ

With the gamma arm mounted at 46' and 36 spacing I saw 240 ohms at the end of 
the drop wire on the MFJ

With the gamma arm mounted at 28' and 36 spacing I saw 120 ohms at the end of 
the drop wire on the MFJ

At all of these points I was able to knock down the R with my honkin' 1050pf 
cap to some resonance sort of resonance at 1.825 MHz but, as most everyone has 
indicated, I should be able to find a 50 ohm tap somewhere on the tower.  I 
can't find it.

When I had the gamma arm mounted at the 90' level. I was able to put my baby 
variable 160pf inline to bring the 425 ohm impedance down to about 60 ohms and 
the antenna heard very well; especially on the 1700 KHz broadcast band, with a 
2.4:1 Vswr.  Similar results could be seen at the other levels too as long as I 
brought the R down with a variable cap.  Yesterday, with the gamma arm at the 
46' level (and 240 ohms on the MFJ) I was able to put the big variable inline 
to bring the reading to 24 ohms with a TRUE X=0.  With a 22 ohm to 50 ohm UNUN, 
I saw 1.3:1 Vswr on the output of the UNUN.  I worked a W2 in NJ and a W4 in 
Florida with just the 1000D.  BUT...again...I'm bringing the R down with the 
capacitor...not finding 50 ohms anywhere on the tower.

Is my radial field so poor that I'm seeing these goofy readings?

Is the single 14AWG too thin causing goofy readings?

I'm back to scratching my head.

Comments from the list?



Carl AG6X

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Re: Topband: Submerging variable caps in oil as substitute for vacuum variables

[HAROLD SMITH JR]

Subject:Re: Topband: Submerging variable caps in oil as substitute for vacuum 
variables


The author points out (correctly) the tempco issues with oil dielectric.

Still I am intrigued by the thought of a remote tuning capacitor via hydraulic 
tubing :-). The capacitor plates could be as simple as two concentric cylinder 
conductors with appropriate spacers. I betcha crud collecting on the top of the 
oil would set voltage limit.

Tim N3QE

-
The omega match for my shunt fed tower uses two 300 uF roughly 3000-volt 
variables I bought from Henry radio a few years ago.  I think 
occasionally about running more than 100 watts on 160, but the cost of 
the vacuum variables is a real issue.  February QST has an article on 
using mineral oil immersion to increase the voltage capability of 
variables in a 600M amplifier.  The article does not include any hi-pot 
data, but indicates that the maximum capacitance went up a lot.

Opinions?

Tim,

I have an oil filled variable capacitor that I picked up surplus many years 
ago. The spacing is about 0.01 inch, capacitance 1000 pF and 
if I remember correctly it hi-potted to around 5kV. I still have it. 
I am using 2 X 500pF @ 7.5kV vacuum variables  in my Omega Shunt feed. I 
normally run 1500 watts out on 160. Top loaded 80 feet of Rohn 45G. 
Guyed with 6700 lb Phillystran. 

73 de Price W0RI and Club Station W0CKC
_
Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Bad tower shunt capacitor

[HAROLD SMITH JR]

Jamie, 

The VSWR would change because the arc would change the impedance at the Arc 
point. From perhaps several hundred or thousand ohms to 
near Zero during the Arc..

73, Price W0RI


Thanks Steve:

Not bad - I may try that ! :)

The question in my mind was if there was an arc outside the caps, why would the 
SWR change ? Anyway, I may be missing something. I haven't been inside the cap 
box at the tower for many months so I'll get into it - may be something easy.

73, Jamie
WB4YDL

Sent from my iPad

 On Jan 29, 2014, at 7:11 PM, wb6r...@mac.com wrote:
 
 Have someone hit the key while you watch which one flashes over. Steve WB6RSE
_
Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: Compromise vertical loading questions

[HAROLD SMITH JR]

Amen Merv,

You hit the nail on the head ! !

73 Price W0RI


Yes no doubt, it seems if a persons personal agenda precedes their
ability to read with any comprehension on this reflector so many times,

here we go again.


 The discussion is about the placement of an additional loading coil and its
 influence while the radiator is already loaded by a capacitance hat.

 So who spreads misinformation?


 -Original Message-
 From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Yuri
 Blanarovich

 Here we go again, Tom spreading misinformation.
 IT IS important where the coil is placed in the loaded antenna.

 _
 Topband Reflector Archives - http://www.contesting.com/_topband


_
Topband Reflector Archives - http://www.contesting.com/_topband
_
Topband Reflector Archives - http://www.contesting.com/_topband

Topband: Phillystran

[HAROLD SMITH JR]

It looks like everyone is trying to reinvent the wheel. What is wrong with 
terminating Phillystran 
the way the manufacture says. 
I have been using 6700 lb Phillystran for over 30 years for my 80 ft of Rohn 
45G tower. At that time 
the termination kits were a thimble and 4 cable clamps. The clamps were to be 
torqued to 25 ft/lbs.  
My tower has a Telrex 20m546 at 80 ft, a Hygain 153BAS at 90 ft and a Hygain 
103BAS at 100 ft. The 
installation has seen wing gust up to 90 MPH. 

73 Price W0RI near St Louis
_
Topband Reflector Archives - http://www.contesting.com/_topband

Re: Topband: lack of activity on TB from left coast

[HAROLD SMITH JR]

On 12/28/2013 12:54 AM, Dr. Wolf Ostwald wrote:
 hny to everybody on the reflector !
 today we saw real good condx to the western US here from central EU. But i 
 guess the word did not spread fast enough. I sure was missing all the  clear 
 channel stations from the coast.
 VE6SV had a blasting signal here way into daylight. My guess is, that with 
 the high solar activity the days with west coast propagation have been few 
 from central EU and the interest faded.


And a personal note. You were the first EU I worked on 160 when I moved to CA 
in 2006, but I still don't have a response from the card I sent you via the 
Bureau. The last thing I'm going to do is respond to your CQ. Thankfully other 
DL stations were more courteous.

73, Jim K9YC

Also as a personal note. If I am interested in receiving a QSL from a DX 
station, whether for a new country or for an Award. I do not 
QSL via the Bureau. I send the card direct! 

I found that Wolf was very good at QSLing.

73 de Price W0RI and trustee of W0CKC
_
Topband Reflector Archives - http://www.contesting.com/_topband

Topband: Fw: Teflon Tubing

[HAROLD SMITH JR]

If anyone is in need of Teflon tubing, I have a large spool. It is 11gauge thin 
wall which 
is perfect for #12 enamel wire. I had some #12 tubing and it was almost 
impossible to 
push the wire in. 
I will sell it for US$0.50 per foot and I will ship it worldwide in a USPS 
Small Flat Rate Box. 
US$5.80 in the states and rates vary for different countries. Most are 
US$25.00. 

Please e-mail me how much you want. I will e-mail back with the total cost and 
you can 
pay via PayPal. My PayPal account is the same as my e-mail 
addressw0ri...@sbcglobal.net 

I am sure one will be happy.

73 de Harold W0RI and W0CKC Club Station. Licensed since 1950.
_
Topband Reflector Archives - http://www.contesting.com/_topband

Topband: Teflon Tubing

[HAROLD SMITH JR]

Hi All,

I am sold out of Teflon Tubing,

Thanks to all.

73 Harold W0RI
_
Topband Reflector Archives - http://www.contesting.com/_topband

Topband: Fw: Verifying integrity of 75 ohm coax.

[HAROLD SMITH JR]

I worked for many years in the Xray service business.
We use silicone grease in the plug in Anode and Cathode plugs. If 
the connectors were not coated with silicone grease, The connectors would 
explode. The cathode connector had 1/2 the tube voltage and the filament 
voltage. 
The filament current was around 5 to 7 amps. The silicone grease had NO effect 
on the 
current.
73 de Price W0Ri


People in automotive forums and other forums and hobbies think that also,

partly because they read stuff by Hams. Many people wrongly claim or think
conductive grease (which isn't actually conductive) aids connections and
dielectric grease insulates.

Dielectric grease has been used to preserve electrical connections in low
pressure connections and high pressure connections at least since the 1960's
or early 1970's. 

_
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_
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Re: Topband: Verifying integrity of 75 ohm coax.

[HAROLD SMITH JR]

Hi Jim and All,

I had been working in Medical Electronics 25+ years... Now retired for over 20 
years. 

Silicone Grease was and is still used on all high voltage connections to the 
X-Ray tube. The cathode lead 
had the high voltage and the filament voltage. It never changed any of the 
filament current settings.
The X-Ray tube current is varied by adjusting the filament current with a 
constant anode voltage. 
The filament current is about 4 to 7 amps.
73 Price W0RI



 non-conducting grease on, e.g., the center terminal of an N-connector or

 PL259 seems like asking for trouble.
 73,
 Jim W8ZR


Years ago, working in telephone plant for ATT Long Lines, I had that same
intuitive oh really, how can that possibly work gut response to the Bell
System Practices mandated procedure of slathering up massive mating
electrical surfaces with a particular grease, about axle grease
consistency, much thicker consistency than the automotive silicon
recommended in this thread. The connection when active would carry almost
5000 amps 24/7.

My intuitive mind viewed the grease as an impediment, an insulator. But the
mate was accomplished with four bolts set to something like 50 ft. pounds
of torque. It was then retorqued on interval until it quit loosening. I was
always surprised that an ordinary voltmeter across the connection would
never deflect the needle. Took a special taut band meter to measure the
normal and acceptable millivolts level of voltage drop.

The real issue was to never, ever, let air and any airborne contaminants
(including water) get to the surfaces. Clean, slather, mate, torque,
retorque and forget it. Occasionally we would remove one that had been
untouched for decades and still no drop across the connection.

Grease inside connections is just another circumstance where the
intuitive sometimes doesn't serve us so well.

73, Guy.
_
Topband Reflector Archives - http://www.contesting.com/_topband
_
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Re: Topband: NOISE CANCELLERS

[HAROLD SMITH JR]

Amen Bob,

Tom really helps a lot of guys and gals with his expertise. Quite a guy.

73   Price W0RI



Tom,

Thank you for providing this information. 

Your time is valuable and we all appreciate your input on these (and countless 
other matter)!

73,

Bob AA6VB

Sent from my iPhone

 On Nov 17, 2013, at 10:55 AM, Tom W8JI w...@w8ji.com wrote:
 
 The most frequent problem (by far) with good noise cancellers is operator 
 related.
 
 The second most common problem is antenna choice.
 
 
 
 Any suggestion on how to use the unit best? Set up another single RX 
 Element? Use 'the tower'?
 
 When you mix antennas to make a null, the signal levels from the antennas 
 have to be equal in the null direction. You really are adding two signals 
 from the null direction 180 out-of-phase together.
 
 Logically, if one antenna has significant response in an undesired direction 
 with problem signals and the other does not, you can reduce signal-to-noise 
 of the good antenna when you add in the poor antenna to form a null. For 
 example, using a small vertical loop to further null a vertical array with no 
 overhead response will add overhead response and high angle horizontal 
 response even while increasing the null. The loop also has a 180 shift for 
 signals from the opposing directions, while a vertical does not. This can 
 create phase problems when adding the two together. You might have increased 
 back null and decreased front signal at the same time.
 
 Another issue is antenna level and phase response with signal angle and 
 direction. A dipole, for example, changes polarization as the signal moves 
 off broadside. It is only perfectly horizontal directly broadside, and has an 
 increasingly tilted pattern as the signal moves toward the ends, where the 
 signal response is vertically polarized at high angles. The tilt is a 
 different rotation direction, depending on which way the signal moves from 
 broadside.
 
 All of this factors in. We have to be careful what we mix together if we are 
 dealing with signals.
 
 If we are dealing with noise alone and not looking for a pattern change, then 
 the noise antenna just has to have much stronger response to the noise than 
 to any signal.
 
 Either way can remove noise, but the functions behind removing noise are 
 different.
 
 If I had a local noise from one source, I would put a small antenna very 
 close to that noise source or next to something conducting a strong, 
 dominant, signal from that noise source. An insulator arc or arcs from one 
 point on a power line that was otherwise pretty clean could be picked up 
 anywhere along that line. Multiple insulator arcs from multiple locations, 
 all radiating to the receive antenna from different directions, are a 
 different story. Getting near the line would not work.
 
 You can null an infinite number of sources if they come from one point, or if 
 they come from multiple points all in the same general direction and that 
 general direction is different than the desired signals.
 
 It is pretty difficult to explain every possible case, but those are a few of 
 the most common situations.
 
 The bottom line is:
 
 Nulling noise from multiple sources in one basic direction, or nulling 
 signals, or changing patternsyou want similar antennas or similar pattern 
 responses (but far from the closest noise source). It is generally easier if 
 we do not mix antennas with grossly different responses.
 
 Nulling a single noise source or multiple noise sources at a single 
 pointyou want a local sense antenna near the source or near something 
 coupled to all the sources so the noise antenna hears way more noise than 
 signal. It doesn't matter what the antennas are.
 
 73 Tom 
 _
 Topband Reflector
_
Topband Reflector
_
Topband Reflector

Re: Topband: Antenna switch rating for high SWR?

[HAROLD SMITH JR]

The simplest way is to get a DPDT knife switch. Look in the web and I am sure 
you can find one.

73 de Price W0RI



I am planning to put in a DPDT switch (or relay) to allow me to easily

switch from using my 80m dipole as a vertical (T-top) antenna on 160m:

http://www.ae5x.com/docs/antennas/160mT.jpg



The dipole is fed with 450-ohm ladder line and used 10-80m in that
configuration so there is a high SWR on the line. I sometimes use a kw
output.



I know that T/R switches inside amps are fairly small in physical size,
however they are designed to operate into a fairly low SWR load. I have no
idea of what rating of a DPDT switch I would need (per the diagram) in my
application - perhaps I'm making a bigger deal of something that isn't so
critical.?



John AE5X

http://www.ae5x.com/blog



_
Topband Reflector
_
Topband Reflector

Re: Topband: and KDKA

[HAROLD SMITH JR]

Hello Herb and all,

In the early 70 I was on one of my many trips to DL land. My friend DL2VP, now 
SK, was an engineer at DW-TV and German Radio 
on 1584kHz. The final was 12kV at 80 Amps. 960kW input. The vacuum variables 
were bigger than trash cans.
The power-supply took up a room about 12 X 15ft. They had yellow lines to stay 
within. 
I guess we could have put it on 160...

73 Price W0RI


Thanks,


Herb Schoenbohm, KV4FZ


amps
On 9/12/2013 5:05 PM, Donna Halper wrote:
 I have heard a number of similar stories, some of which seem to be legends or 
 perhaps based on some kernel of truth that got exaggerated. I don't know for 
 sure about the one Herb mentioned, because I find no reporting on it in any 
 of the sources I've checked.  We do know that in 1938, KDKA was one of 12 
 stations that applied to be a super-power station, like WLW, which had 
 temporarily been allowed to use 500 kw.  But KDKA withdrew its request in 
 mid-1938, and settled for operating at 50,000 watts. In fact, as of 1940, the 
 Pittsburgh AM station was one of the handful of stations broadcasting with 
 50,000 w.  In mid-1942, Westinghouse advertisements still stressed the 50,000 
 watt transmitters in use by KDKA and other stations in the group.
 
 The only record I can find of high-powered broadcasting is on the 
 _short-waves_-- requests for super-power were received in 1941, and the FCC 
 permitted about 12 stations to utilize this high power.  And in 1943, it was 
 widely reported that high-powered shortwave stations were beaming 
 pro-American news over to Europe, and Westinghouse stations were among the 
 high-powered broadcasters doing this-- but there was no mention of KDKA in 
 the list of shortwave stations involved; WBOS in Boston was one that did 
 receive some press for this activity. That doesn't mean the story is false-- 
 it just means that all of the sources to which I have access don't mention 
 it: I even looked for reports by well-known radio columnists who generally 
 wrote about such things.  Perhaps someone with access to legal databases 
 (which I do not have) can check to see if a lawsuit was actually filed, or if 
 this is the stuff of legend.  And just as an FYI, we also know there was a
 high-powered station with 250,000 watts as far back as 1925-- the Tropical 
Radio Telegraph Company put it on the air in Hialeah, Florida.



_
Topband Reflector
_
Topband Reflector

Re: Topband: WD1 and WD1A wire

[HAROLD SMITH JR]

Craig,

When I was in the Army in the late 50s, We used WD1TTwhich sounds like 
WD1. I see that someone has it on eBay.

73..Price W0RI



These are two different kinds of wire. 

WD1 is designed for the old tip and ring phone systems of the 40's-60's and
consists of two twisted seven conductor wires, three galvanized steel and
four tinned copper conductors. 

WD1A came out in the 70's and is smaller and joined together like zip cord.
It has the same conductor combination as WD1.

They also have different impedances so their feedline matching is different.

Craig


Craig Clark K1QX
QX Electronics
PO Box 209
107 Fitzgerald Rd
Rindge NH 03461
(603) 899-6103 office
(603) 520 6577 cell



_
Topband Reflector
_
Topband Reflector

Topband: J-310 FETs

[HAROLD SMITH JR]

If one needs J-310 FETs. Look on eBay there are quite a few listings with 
reasonable 
shipping cost. 

73 de Price W0RI
_
Topband Reflector

Re: Topband: : W4BPD Archive

[HAROLD SMITH JR]

Hello Frank,

My first QSO with Don Miller was in 1959. 
I was in the Army in Ansbach, Germany. My call was DL4SH and I worked Don 
on 15 CW. He was WN9WNV on Lake Shore Drive in Chicago. I think I have his 
QSL, if I look a bit. If I find it, I will post it.
I had a private DL call and it cost me $0.75 a month. I made $100.00 a month in 
the Army.

73...Price W0RI 



Hi Carl, 

My first QSO with Don Miller was in 1963 when he was in the army as HL9KH . 
There is an interesting web site about W9WNV here: 

http://www.oocities.org/capecanaveral/1641/miller.html 

What ever became of Herb Kline, K1IMP? 

PY0XA http://hamgallery.com/qsl/country/StPeter_Paul/py0xa.htm 

K1IMP/KC4 http://hamgallery.com/qsl/country/Navassa/k1imp2.htm 
http://hamgallery.com/qsl/country/Navassa/k1imp.htm 

73 
Frank 
W3LPL 



- Original Message -

From: Carl k...@jeremy.mv.com 
To: donov...@starpower.net, topband@contesting.com 
Cc: la...@yahoo.no, Thomas Roscoe k...@hamgallery.com, k...@frontiernet.net 
Sent: Monday, July 29, 2013 6:45:43 PM 
Subject: Re: Topband: : W4BPD Archive 

Shades of Don Miller and Herbie Klein 

And then Romeo at N. Korea, he and his wife were our guests for a week.. 

In 60-63 I was still playing sailor and didnt get a station up in MA unti 
mid-64 

Carl 
KM1H 



- Original Message - 
From: donov...@starpower.net 
To: topband@contesting.com 
Cc: la...@yahoo.no; Thomas Roscoe k...@hamgallery.com; 
k...@frontiernet.net 
Sent: Monday, July 29, 2013 12:39 PM 
Subject: Re: Topband: : W4BPD Archive 


 Hello Rag, 
 
 I always wondered about Gus Browning's LH4C DXpedition, and the 
 accuracy of this article, given the extreme difficulty of landing on 
 Bouvet. 
 http://archive.org/stream/73-magazine-1967-10/10_October_1967#page/n86/mode/1up
  
 
 I first started DXing in 1960 as K1LPL 
 http://hamgallery.com/qsl/country/USA/Rhode_Island/k1lpl.htm 
 
 The DX bug bit me hard in 1962 during Gus Browning's second DXpedition. 
 A complete index to the 73 Magazine articles about his DXpeditions is 
 here: 
 http://mikeyancey.com/73mag/listauthor.php?Author=W4BPD 
 
 My first QSO with Gus was in June 1962 at VQ9A in the Seychelles 
 http://hamgallery.com/qsl/deleted/Aldabra/vq9a2.htm 
 
 soon followed by VQ9A/7 on Aldabra 
 http://hamgallery.com/qsl/deleted/Aldabra/vq9a2.htm 
 
 The CQ Magazine article about the Aldabra DXpedion is here: 
 http://www.oocities.org/k2cddx/cqaldabra1.html 
 
 Later that year I worked Gus at: 
 
 9U5BH http://hamgallery.com/qsl/country/Rwanda/9u5bh.htm 
 9U5ZZ http://hamgallery.com/qsl/country/Burundi/9u5zz.htm 
 ZD9AM http://hamgallery.com/qsl/country/Tristan_da_Cunha/zd9am.htm 
 LH4C http://hamgallery.com/qsl/country/BouvetIsland/lh4c.htm 
 
 1962 was just in time for me to work several other famous early 
 DXpeditioners 
 
 HK0AB http://hamgallery.com/qsl/deleted/BajoNuevo/hk0ab2.htm 
 KS4BF http://hamgallery.com/qsl/deleted/SerranaBank/ks4bf.htm 
 ZK1BY http://hamgallery.com/qsl/country/North_Cook/zk1by.htm 
 W0MLY/TJ8 http://hamgallery.com/qsl/country/Cameroon/w0mly.htm 
 
 Some other well known callsigns in my 1962 log include 
 
 HZ1AB (W1TYQ) http://hamgallery.com/qsl/country/Saudi_Arabia/hz1ab3.htm 
 MP4BBW 
 http://lesnouvellesdx.fr/galerie/galerie2.php?page=moreqslpfx=MP4Bid=MP4BBW 
 MP4TAO http://hamgallery.com/qsl/country/UAE/mp4tao.htm 
 ET2US http://hamgallery.com/qsl/country/Eritrea/et2us.htm 
 CR7IZ http://hamgallery.com/qsl/country/Mozambique/cr7iz.htm 
 TT8AL 
 VQ4RF http://hamgallery.com/qsl/country/Kenya/vq4rf.htm 
 VS9MB http://hamgallery.com/qsl/country/Maldive_Islands/vs9mb2.htm 
 
 73 
 Frank 
 W3LPL 
 
 
 
 - Original Message - 
 
 From: la...@otterstad.dk 
 To: k...@frontiernet.net, donov...@starpower.net, topband@contesting.com 
 Sent: Monday, July 29, 2013 8:02:19 AM 
 Subject: : W4BPD Archive 
 
 Just too bad that Gus cheated on Bouvet LH4C. I felt it particulary sad as 
 I arranged his licence and picked the callsign. 
 
 73 Rag LA5HE 
 
 
 
 And here's another Gus Browning tribute page: 
 
 http://www.oocities.org/capecanaveral/1641/gusbrowning.html 
 
 73, 
 
 Dave K8MN 
 
 On 7/28/2013 23 08, donov...@starpower.net wrote: 
 An archive of W4BPD's writings about his early life and Dxpeditions is on 
 this page: 
 
 http://springfieldsc.us/W4BPD.htm 
 
 The detailed index and reprinted articles are here: 
 
 http://springfieldsc.us/Archive%20page.htm#Post%20index 
 
 73 
 Frank 
 W3LPL 
 _ 
 Topband Reflector 
 
 
 
 
 - 
 No virus found in this message. 
 Checked by AVG - www.avg.com 
 Version: 2013.0.3349 / Virus Database: 3209/6527 - Release Date: 07/28/13 
 
 _ 
 Topband Reflector 
 
  
 Denne mail er blevet scannet for virus af TDC Mailfilter. 
  
 
 
  
 mail2web 

Re: Topband: 160M Rhombics

[HAROLD SMITH JR]

 Anybody on this list have a Rhombic for 160M?
 
 W1AW used to use one for bulletins and code practice on 160M but I think it 
 came down years ago (1989?)
 
 I seem to recall pics in CQ of a big California desert DX'er who had what was 
 essentially a radial array of rhombics for maybe 160M or 80M.
 


I can't imagine why anyone would have one today.  Here is an analaysis of 
Rhomics.

http://www.w8ji.com/rhombic_antennas.htm

73 Tom 


Years ago, W6AM had a Rhombic Farm near San Francisco.
Ian, VK3MO had stacked Rhombics.

I don't believe that either used them on 160. 
Ian as always was a Bomb on 20 meters long path.

73 Price  W0RI
_
Topband Reflector

Re: Topband: Wall warts

[HAROLD SMITH JR]

Gary,

I remember having some single-malt with you in Dayton. That was several years 
ago.

73 

Price W0RI


This thread is a perfect indicator that 160 propagation currently sucks. 
Threads 
like these are like the RTTY diddle--a signal that carries no new information.

Not that I don't like single-malt...

Garry, NI6T


On 5/8/2013 9:00 AM, Keith Jillings (G3OIT) wrote:
 On 08/05/2013 15:40, John Harden, D.M.D. wrote:
 I am not offended at all relative to the fine whiskey deal.
 
 I hate to say this, but whiskey is Irish or US.
 
 The real water of life, from Scotland, is whisky.
 I love the subtle flavours of the many varieties, from the smooth gentle 
Speyside stuff and the Northern Islands such as Highland Park, to the peaty 
throat-grabbers such as Laphroaig.
 
 There's always one beside me when I'm operating.
 Maybe that's the problem!
 
 
 Keith
 All good topband ops know how to put up a beverage at night.
 _
 Topband Reflector
 

All good topband ops know how to put up a beverage at night.
_
Topband Reflector
All good topband ops know how to put up a beverage at night.
_
Topband Reflector

Re: Topband: Fw: Mike, VK6Hd.

[HAROLD SMITH JR]

 
 On 12/04/13 09:39, Robin Lyon wrote:
 
   It is with great sadness that I inform you that Mike died this 
morning. As you are aware, I regarded him as a close friend and I shall miss 
our 
weekly skeds. 

  For the record, Mike was the top Australian operator on the current DXCC 
 Honor 
Roll.
  73




Many top-banders and I will miss Mike. He always had a good signal. I was proud 
to have 
Mike as my first VK on 160. 

Rest in Peace old Friend

Price W0RI
All good topband ops know fine whiskey is a daylight beverage.
_
Topband Reflector

Re: Topband: binocular matching transformers - Solved

[HAROLD SMITH JR]

From: Pete Smith N4ZR n...@contesting.com
To: Topband@contesting.com
Sent: Tue, March 26, 2013 9:41:23 AM
Subject: Re: Topband: binocular matching transformers - Solved

Thanks to everyone who helped me straighten this out.  Changing from 2:4 to 4:8 
turns made all the difference, probably, as a couple of people suggested, 
because only two turns ion the primary is inadequate.  Anyhow, everything now 
behaves as expected, so it's time (as soon as the snow melts) to put it back 
out 
in the field and see how it plays.

73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at reversebeacon.blogspot.com.
For spots, please go to your favorite


All good topband ops know fine whiskey is a daylight beverage.
_
Topband Reflector
All good topband ops know fine whiskey is a daylight beverage.
_
Topband Reflector

Re: Topband: G3FPQ SK

[HAROLD SMITH JR]

Roger,
 
Thank you forthe sad news.
David will really be missed. His signal was always tops.
 
Prrice 
W0RI



From the Daily DX:

G3FPQ, David Courtier-Dutton, passed away on Sunday February 3rd. 
He was 79. 

Roger
VE3ZI
_
Topband Reflector
_
Topband Reflector

Re: Topband: Polyphaser IS-50UX-CO vs ICE Model 303?

[HAROLD SMITH JR]

Hello Tom,
 
I have Polyphaser and I.C.E. units on all my cables ( Antenna and all Control 
). 

I installed them in 1991 after several strikes damaged my Tranceivers. 
Since then, I have had no problems.
The most important is a good Grounding System. A couple of ground rods won't 
do the trick.
 
73..Price W0RI  near Saint Louis, MO.
 
 
 
Subject: Topband: Polyphaser IS-50UX-CO vs ICE Model 303?

Hello,

Am in the process of running underground coax/control cables to DXE UE-1P 
Grounding and Utility box IOT run 40m V dipole and topband inverted L/FCP.  I 
have had the Polyphaser 50UX in the HF system since 2008 and it has worked 
wellI have two each of PP and ICE in the radio closet and wonder which the 
group would recommend over the other. The reason the HF system has the PP is 
that they arrived before the ICE units. What has been your experience/advice?

73
Tom
CX7TT aka CW7T
_
Topband Reflector
_
Topband Reflector

Re: Topband: LoTW, Ground mounted 1/2 wave etc.

[HAROLD SMITH JR]

Hello Raoul, 

Yes there are a few 160 meter gentlemen and gentlegirls still left. 

If you notice, the flaming remarks mostly are made by one person. Several years 
ago he was 

banned from this reflector. I do have to agree that it really gets disgusting. 
Thank god there 

is a delete key on every keyboard. 

Wishing You and Your family a VERY Merry Christms and Prosperous New Year. 

Price W0RI and trustee of W0CKC Club Station:  St. Louis Lowbaders Club




Like most of us I have been reading and trying to absorb the excellent 
technical 
information in this group, but really, personal
attacks and comments should be avoided.
Or is this simply normal, a reflection of what is happening on the bands too? 
I hope this comes to an end, I would hate to unsubscribe.
 
Will the 160m gentlemen please stand up, if there are any left?
 
Merry Christmas to all, and a Happy new Year!
 
Raoul ZS1REC
___
It is undesirable to believe a proposition when there is no ground whatsoever 
for supposing it is true. - Bertrand Russell
___
It is undesirable to believe a proposition when there is no ground whatsoever 
for supposing it is true. - Bertrand Russell

Re: Topband: PE coated RG6

[HAROLD SMITH JR]

Just completed cables for an active receive 4 square with Commscope PE jacketed 
flooded RG6  (660-BEF), 1000' on ebay for $35.  I used the weathertight 
compression fittings and a Radio Shack stepped prep cutter.  RS has the tools 
cheap.  Extra care is needed to remove the braid shards since the flooding goop 
causes them to stick to everything.  It is also a challenge to push the cable 
far enough into the connector, next time I'll try the heat gun idea.  I found 
trimming the braid away with a flush cutting wire snipper was helpful, but 
still 
have pretty sore hands.

Grant KZ1W


Grant,

Did you use the screw-on tool from RS to push the connectors on the RG6? 
It sure makes it a lot easier. I use only the crimp style connectors. 

73 Price W0RI
___
Topband reflector - topband@contesting.com

Topband: Fw: GAP VERTICAL QUESTION

[HAROLD SMITH JR]

The GAP Voyager is not much better than a dummy load on 160m.  On 80m and
40m it received fairly well compared to my other 80 and 40 antennas.

Doug

Original Message-

With the prospect of downsizing and moving into senior housing in the future
I am starting to look at vertical antennas that will allow me to continue



A friend of mine had a GAPvertical which covered 160. It did not get out at 
all. 

Not as good as a dummy load!

Price W0RI
___
Topband reflector - topband@contesting.com

Re: Topband: PT0S summary

[HAROLD SMITH JR]

Goose,

I have to agree with you 100%. Great operation as always from the Gang.

Price W0RI



My thanks goes out to you, George, and the rest of the PT0S crew.  I  
managed to log you guys on 160 for a new one and it never ceases to amaze me  
that wherever you go, George, I am always able to hear you and work you!  
Thanks for a great operation from The Rocks.

73..de Goose, W8AV
___
Topband reflector - topband@contesting.com
___
Topband reflector - topband@contesting.com

Re: Topband: Inverted L SWR Jumps ???

[HAROLD SMITH JR]

The sloper loads fine all the way up to 1500 watts. The inverted L loads just 
fine to about 700 watts and then causes the Alpha amp to fault out. I think I 
am 
getting a sudden change in antenna impedance. The antenna is fed through a 5 KW 
rated choke balun. The feed line exits the base between radials. I've tried 
various feed line lengths, I've replaced every component in the system except 
for the antenna wire. The antenna does climb along the branches of a tall pine 
before L-ing outward at about 55 feet. I think the problem is worse at night 
time when things are cold (and perhaps more humid).


I'll be trying everything I can think of tomorrow afternoon, starting by trying 
to minimize contact with the tree branches. All suggestions welcome.

73
KQ0C
Ash


Ash,

Are you using any variable capacitors in your matching network? If so the 
plates 
could be warping at high power. I had this happen and 

went to vacuum variable capacitors. This cured the problem.

73...Price W0RI
___
Topband reflector - topband@contesting.com
___
Topband reflector - topband@contesting.com

Re: Topband: ROD NEWKIRK,W9BRD/VA3ZBB/W9BRD died last night.

[HAROLD SMITH JR]

Hello Charlie,

Nice to see you on the web.

In the early 50s, we would send in contact information to Rod and he would 
publish some in QST How's DX.

I sent one in with some QSOs on 10 meter AM and CW.

Rod put in the publication : W0CKC actually worked someone on 10CW. 

W0CKC was my first call and now my Club Call.

73...Price W0RI


I remember Rod from the old days (40's at least).
The following is a quotation from Rod that's been posted in my shack forever:

I HATE THE GUYS WHO CRITIZE THE ENTERPRIZE OF OTHER GUYS WHOSE ENTERPRIZE HAS 
MADE THEM RISE ABOVE THE GUYS WHO CRITIZE.

For Auld Lang SyneCharlie, W0CD..
___
Topband reflector - topband@contesting.com
___
Topband reflector - topband@contesting.com

Re: Topband: Covered /bare antennn wire

[HAROLD SMITH JR]

The T Match tuner is what sits in the house Price. The T Match feed on the 
antenna is completely different, is grounded to the boom on the all metal 
design 
and is no more prone to P-static than any other feed system.

My own yagis use a T Match from 28 to 432 MHz and work very well and without 
the 
pattern skewing of the gamma match.

Carl
KM1H



No kidding Carl !

Price W0RI
___
Topband reflector - topband@contesting.com

Re: Topband: Covered /bare antennn wire

[HAROLD SMITH JR]

Very true Tom,

I am using on 20 meters a Telrex 20M546. The Telrex uses a T network. The T 
bars 
are very close to the driven element and longer than normal. They use no series 
capacitors. 

Or should I say condensers as they were called when Mike Arcelino designed the 
Telrexs.

73 Price W0RI



The only noise caused by an element charging is a pop or arc as the element 
moves closer to air potential, until the voltage is high enough to break down 
some insulation path to earth. This is a huge problem with T network antenna 
tuners that feed big antennas without a ground leak path. The antenna trickle 
charges the output capacitor (with microamperes of current) until the cap 
flashes over. This sudden rings the tank with high voltage, and that blows the 
diodes in the directional coupler detector.

We certainly do not want things to charge to the point something flashes over 
and is damaged, but a ground leak does not reduce p-static (corona) noise. A 
ground leak does not reduce the chance of a lightning strike, either. Neither 
do 
those tower whiskers (NASA has extensively tested that).

73 Tom


___
Topband reflector - topband@contesting.com
___
Topband reflector - topband@contesting.com

Re: Topband: 8877 Tube

[HAROLD SMITH JR]

Bob and Paul, The 8877 has a 5 volt filament. The 3CPX1500A7 has a 5.5 volt 
filament. Many have been running the 8877 and 3CPX1500A7 with 

a Peter Dahl transformer at over 4kV and they work fine. Eimac says that the 
filament should be 5.0 volts +- 5% or 4.75 to 5.25 volts. This should be 
measured 

with a True RMS voltmeter. A friend had high line voltage and his actual 
filament voltage was 5.5 volts. He had lost several tubes with an open 
filament. 
After he lowered 

the voltage to 5.0 volts he has not lost a tube. He used a Varistor in the 
secondary to each tube. The 77SX has 2 filament windings.

Price W0RI



Bob,

A non-issue.  Many of us have been running 8877s with Ep of 4KV.  For example, 
the typical no-load Ep of an Alpha 77Dx/Sx amp is right at the specified limit 
of 4KV.

Some owners have been converting their 8877 amps over to the 3CPX1500A7 which 
has a much higher rated Ep since it was designed for pulsed service. Unless 
someone has access to a supply of pulse-rated tubes, I think it's waste of time 
unless the plate supply voltage is also increased.

Paul, W9AC


- Original Message - From: Chortek, Robert L 
robert.chor...@berliner.com
To: topband@contesting.com
Sent: Wednesday, November 14, 2012 6:56 PM
Subject: Topband: 8877 Tube


 Wonder if someone can help with a technical question with the amp I use on 
 160 
meters.
 
 The Spec Sheet for the 8877 tube lists the Absolute Maximum Plate Voltage of 
4000 Volts for the tube, and also says in typical operation the plate 
voltage 
is between 2700 and 3500 volts. In my amp (Ameritron AL-1500), the plate 
voltage 
is 3750.  My question is - should I be concerned (it's clearly below the 
maximum but above the range that is considered typical?  I just want to be 
sure I'm not adversely affecting the useful life of the tube.
 
 Any help would be appreciated.
 
 73,
 
 Bob/AA6VB
 
 ___
 Topband reflector - topband@contesting.com 

___
Topband reflector - topband@contesting.com
___
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Re: Topband: 7O6T OQSL service

[HAROLD SMITH JR]

 
Hi Bob,
 
I haven't received mine and I know that Ken NA0Y hasn't either.
73
Price W0RI
 
 
Subject: Topband: 7O6T OQSL service

Am I the only person who used the OQSL service for 7O6T and have not gotten a 
QSL. ?  I know they must have gotten my contribution as I did get LOTW credit.  
Are they making more than one mailing for US cards?
Bob W4DR
___
Topband reflector - topband@contesting.com
___
Topband reflector - topband@contesting.com

Re: Topband: Antenna analysers in close proximity to BC station.

[HAROLD SMITH JR]

MFJ makes a filter for their Antenna analysers. I am sure that if it does not 
work for you, you can get your monies back.

73..Price W0RI



I have the same problem with a 50KW FM station a couple of miles away
affecting my Palstar ZM-30.  It is useable on the rig side of an antenna
tuning unit, but most of my antennas are self resonate therefore the FM
broadcast RF rides right into the bridge making it mostly worthless when
directly attached to any antenna such as a dipole, vertical, yagi, etc.

Sometimes I can get a useable reading if I turn the antenna 90 to the
broadcast tower, but that only works with the rotatable antennas.

Experiments with filtering using small value caps, small pi networks, a
series FM trap, or ferrites have been unsuccessful.  Any filter I put in
front of the analyzer influences the reading substantially.  BTW... this
broadcast station also comes in on my frequency counter too, with no antenna
attached.

Please let the group know if any of you have come up with a transparent at
ham frequencies inline filter.

73

Lloyd - N9LB

-Original Message-
From: Topband [mailto:topband-boun...@contesting.com]On Behalf Of Tom
Boucher
Sent: Friday, November 02, 2012 4:21 PM
To: 160 reflector
Subject: Topband: Antenna analysers in close proximity to BC station.




A ham friend asked me to design a matching network for his 160 metre end fed
quarter wave, so I asked him to provide an impedance reading using his
MFJ-259B. I would then use the Berkley site
(http://bwrc.eecs.berkeley.edu/Research/RF/projects/60GHz/matching/ImpMatch.
html ) to provide the necessary values for an 'L' network, as I have done
many times at my own station.

The readings he provided were total nonsense and quite erratic, so we
concluded his MFJ-259B was dead. He assured me that he always does a static
discharge before connecting the MFJ.

So I paid him a visit, taking along my Palstar Antenna analyser thing, which
has always performed well at home, and what-do-you-know, the readings on
that were also erratic, total nonsense and it behaved in a way I have never
seen before.

Than someone suggested the problem may be due to a 50Kw BC station on 909
KHz, situated less than 5 miles away, causing both antenna analysers to
misbehave.



We ended up with a good old-fashioned link coupled parallel tuned circuit
with the antenna tapped a few turns up from the ground end. This works fine
but he is power limited due to arcing across the tuning capacitor. So we
would ideally like to revert to the 'L' network plan, but how to use the
antenna analyser in the presence of a high BC station field. Anyone any
ideas?



73

Tom G3OLB
___
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No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.930 / Virus Database: 2441.1.1/5369 - Release Date: 11/02/12
02:34:00

___
Topband reflector - topband@contesting.com
___
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Re: Topband: DXCC Fairness

[HAROLD SMITH JR]

Excellent observations on DXCC from the East Coast.
I think all Atlantic Coasters should operate QRP -  Just to make it fair.
 
jim / W1FMR  



Jim,

When I operated with Merv K9FD at BY1QH in Jan '98 on 160, we observed the 
following: 

The west coast stations, W6  W7s were S7 to S9. Midwest was there but very 
weak. East coast was nonexistent 

except or W4DR on the long path.
I have seen the EU stations over S9 on 80 meters from my mobile in W2land and 
S5 
from W0land. But we do work DX. 

I have 379 total and 184 on 160. 

73..Price W0RI near St. Louis
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: electrical wavelength

[HAROLD SMITH JR]

Hello Bob, 

I have used the published velocity factors for years. 
I made a 4:1 balan for my Telrex 20M546 a few years ago with RG14 coax. After I 
cut it, I checked it 

with my GDO and all was fine.

73  Price W0RI



Hi it's still flooded here but I wanted to fire up one of my verticals by 
itself 
on 160 and feed it with a half wave of Comscope RG6 since I don't have enough 
50 
ohm line to reach it. I have a AIM 4170 to cut the line with but my question to 
the group is - how much variation from published nominal velocity factors have 
you encountered in practice when cutting lines to length? How accurate do we 
need to be for 1/4 wave lines?

73 Bob
___
UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: UA9YAB - Silent Key

[HAROLD SMITH JR]

Amen Tom !
 
Price W0RI





From: Tom W8JI w...@w8ji.com
To: topband@contesting.com
Sent: Fri, August 17, 2012 10:42:52 AM
Subject: Re: Topband: UA9YAB - Silent Key

That's sad to hear at such a young age. UA9YAB was a regular on 80 and 160 
meters. I'm sure Alex gave many people his zone and DXCC, but most important 
he was a human and a fellow Ham.

I hope we all work harder to be respectful and mature, and not stereotype 
people with ignorant comments.

73 Tom 

___
UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: Threading radials

[HAROLD SMITH JR]

I find that 1/2 inch PVC pipe is handy for many things. It can be cut into 6 
spacers or insulators. I use it for spacers on my Shunt Fed tower's 

shunt feed rod. I used 1/2 EMT for the shunt feed rod and the PVC spaced about 
every 24 to stabilize the rod. I use Black Tie-wraps to 

secure everything.
73  Price W0RI




From: N7DF n...@yahoo.com
Subject: Topband: Threading radials

I have found that 20 foot lengths of 1/2 inch PVC pipe works very well in 
getting radial wires through, around and under the very prickly shrubbery that 
gets in the way here in the New Mexico desert.  It is very inexpensive and can 
be extended to as long a run as is needed. 
___
UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: return current - what is it?

[HAROLD SMITH JR]

That is correct, as Mr Kirchoff said.

Price W0RI



You are misinterpreting what you are seeing.  When you put a resistor in 
one side of a dipole you modify the current distribution in both sides 
of the dipole and the side with the resistor has a large decrease in 
current at the point where the load is located.  So the current 
distribution is considerable different in the two halves of the dipole.  
The source is at the center of a segment.  Since you can only measure 
the current at the center of the segments adjacent to the feedpoint 
(that's one segment away, on each side, from the feedpoint) the current 
will be different.  That one segment difference away from the feedpoint 
is enough to show a difference in current.  If you want to see the 
current at the feedpoint use the Src Dat tab.  It only lists a single 
current because it's the same in both sides, except 180 degrees out of 
phase.

It's impossible to violate the law stated by Tom.  If you want an easy 
way to test this, wire a battery to a bulb, measure the magnitude of 
current out the negative terminal of the battery and then measure the 
current out the positive terminal of the battery.  If you don't get the 
same answer, you have a measurement error.

Jerry, K4SAV

___
UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: Antennas

[HAROLD SMITH JR]

Hi Tom,

I am suprised that no one has brought up the T2FD antenna and 
of course the BW All-Band antenna.

It was in one of the magazines back in the (50s?).

73
Price W0RI
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: Lightning protection

[HAROLD SMITH JR]

About 20 years ago I decided to do something about lightning protection.
My tower is 80 feet of Rohn 45G, with a 5el Telrex monoband 20 meter yagi at 82 
feet. 

Hygain 153BAS at 90 feet and Hygain 103BAS at 100 feet. I have a homemade 
antenna 

switch box near the top.
I shunt feed the tower with an Omega Match for 160. The shunt rod is 1/2inch 
EMT 
conduit. 

I use vacuum variables in the Omega match.
At 65 feet I have a Diamond X200 for 2meter/440mhz. all cables come to the base 
and go underground 

to a steel box at the entry to the house. The HF antennas are fed with RG-17 
and 
go through an ICE 

308 15kw coax arrestor. The X200 is fed with RG213 through a PolyPhaser 
arrestor. The control wires 

all go through PolyPhaser arrestors. I made LC to UHF adapters.
My tower is the tallest thing for several miles. The tower is guyed with 6700lb 
Phillystrand.
So far so good.
 
Price W0RI near St. Louis, MO
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: Lightning protection

[HAROLD SMITH JR]

A low impedance tower ground is important. Google TOWER FOOTING RESISTANCE
for an IEEE ppt. on this. I would aim for a couple of ohms. That means
several long rods.

Dave WX7G



Dave,

Of course a low impedance ground is important. 

I have a ground field with 6 - 10ft 3/4 inch schedule 80 copper tubing. They 
are 
buried with the tops about 12 inches below the surface. The 

ground rods are all connected with 1 1/2 inch copper strap and to the ground 
plane in the arrestor box. The ground plane 

that the arrestors are mounted is 12 X 18 X 1/4 inch copper plate. There are NO 
soldered connections. Only thermo-welded or screwed 

together. There is NO-OX in the screw connections. 
For safety reasons, the tops of the ground rods MUST be below ground, 
Electrical 
Code in St. Louis County.

Price W0RI
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: WD1/TT

[HAROLD SMITH JR]

When I was in the Army in 1958 to 1960, the field commo wire was WD1/TT.
This was a twisted pair of steel and copper stranded insulated wire. It had no 
jacket 

over the twisted pair. The official way to splice it was with a square-knot and 
twist the loose ends 

after the end of the knot. Then wrap each splice with electrical tape. 

We ran many mile of this wire and had to pick it up when the Group moved 
position. Our Commo Sgt 

said that this is the worse job in the Army in WarTtime. Almost nobody doing 
this came back vertical. 


73..Price W0RI
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: (no subject)

[HAROLD SMITH JR]

Don't open this. Delete it. It contains a VIRUS ! !

de Price W0RI





From: Archibald C Doty Jr ar...@aol.com
To: topband-ow...@contesting.com; k...@comcast.net; TopBand@contesting.com; 
efweing...@charter.net; l.f.h.e.n.s@earthlink.net
Sent: Tue, July 3, 2012 12:55:20 PM
Subject: Topband: (no subject)

http://bjbyhg.net/news.php?Ive212.img

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UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Re: Topband: QRP and Bird 43 Watt meter help

[HAROLD SMITH JR]

Bob,

If you had a 250H that read grossly underestimated, then you had a bad element, 
the line section or the meter. The usable range in NOT a square-wave.
 
Price W0RI

 


Hi Jim
Many years ago at 4U1ITU I found the Bird 43 grossly underestimated 
the power output on 160, rather embarrassing at the temple of 
regulation.
Bob VE7BS
The 250H range is 2 to 30 mhz 160M is not quite covered but I think 
is ok.

___
UR RST IS ... ... ..9 QSB QSB - hw? BK
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: Fw: Mike Elliott - KQ0B SK Arrangements

[HAROLD SMITH JR]

Here are the particulars on Mike Elliott, KQ0B arrangements:


His remains will be buried at Jefferson Barracks (South county) on Wednesday 
June 6th at 10:30AM.

For those wishing to attend, there will be a processional leaving from 
Bethel-Providence Christian Church (14700 New Halls Ferry Road, Florissant) at 
9:00AM.

A memorial service will be held at 1PM at Bethel-Providence Christian Church 
(14700 New Halls Ferry Road, Florissant)

Attached are a couple of pictures of Mike.   

Thanks to Udo Heinze - NI0G for providing the information on Mike. 

73,
Rick
W0NFS
Secretary, MVDX/CC

MVDXCC Hogs:

I have been informed that that a fellow hog,  Mike Elliott, KQ0B, passed away 
on 
Wednesday afternoon, May 30th.   I do not have any additional information at 
this time.

Rick
W0NFS
Secretary, MVDX/CC
www.mvdxcc.org
___
UR RST IS ... ... ..9 QSB QSB - hw? BK

Topband: KQ0B

[HAROLD SMITH JR]

I have received word that Mike Elliot, KQ0B, passed away Wednesday afternoon. I 
have not received anyother 

information.
 
In the last few years, Mike was very active on 160. He has always been very 
active on 80 thru 10 meters. 

 
Our prayers go out to his family.
 
Price W0RI
___
UR RST IS ... ... ..9 QSB QSB - hw? BK