I second TLDetails. TLW, not so much.
On 11/20/2016 6:13 PM, Paul Christensen wrote:
David,
I think the best and quickest way to understand and observe line impedance
transformations is to model it using software. Two popular programs are TLW
and TLDetails. TLW is bundled with the ARRL Anten
With a cloud-warmer antenna and only 500W in the bowels of southern Arizona
working anywhere is problematic, but to the east is worse, even at SS.
I heard a lot of Caribbean contest stations with big signals but never could
work them. I think they are probably using directional RX antennas, bu
I operated some S&P during the ARRL contest. I'm not a contest op but wanted to
give the guys I worked some points, so I tried submitting a check log.
I use DXBase for my logging program so I created an .adif file of the QSOs and
used ADIF2CABR V.3.10 (C) SP7DQR to make a Cabrillo file.
When
Thanks everyone who answered. I see the problem.
I think what I, and probably SP7DQR, assumed is that since you tell the contest
people what section you're operating from on the application, the other stuff is
redundant. I'll fix it.
Wes
On 12/6/2016 4:00 PM, Wes Stewart wrote
I'm an old ham but relatively new to top band. Last night from here was
amazing. I heard lots of EUs and managed to work S58N for my first EU on top
band. It's super tough from AZ to get by you guys in the midwest and east
coast, even on higher bands, with modest equipment. (Inverted-vee, 45
The SNR is set at the antenna. There is a persistent desire to move the
selectivity closer to the antenna, however
With modern "bullet-proof" front ends, filtering can be delayed and done at
i-f. In fact, with H-mode mixer front ends, the IMD in the following filter can
be more of a limit
Paul,
Congratulations, well done!
I'm "just" 75 years of age and 59 years a ham and became interested in topband
only in the last year or so. I hope to do as well as you.
All the best,
Wes N7WS
On 1/19/2017 8:34 AM, PAUL M ELLIOTT wrote:
Made it! 19 January 2017, is the 80th anniversary o
I just worked K6SRZ in San Francisco @ 2355Z. Our sunset here in Tucson is at
0054Z. So I worked him approximately 1 hour before our sunset and 2 hours
before his. BTW, he's a real RST 589.
My antenna TX & RX is an inverted vee about 45' high at the apex and the ends
about 6' high, rig is an
What is the rf grounding system for the antenna? If it's adequate then there
shouldn't be any rf on the outside of the coax. If it isn't then you're
bringing part of the antenna into the shack. Ferrites are a band-aid in this case.
Wes N7WS
On 2/17/2017 12:40 PM, Paul Kiesel via Topband w
Do you guys use lousy receivers for these modes? Why would the mode affect the
abilities of a receiver?
Wes N7WS
On 3/17/2017 11:06 AM, Jim Jim wrote:
...if you use high power you are going to start overloading everyone RX front
end and you will be the only one able to use the band.
_
The QRP guys will be miffed.
On 3/17/2017 12:48 PM, James Wolf wrote:
If I find someone on 160 in zone 23 that uses JT65/9 can someone give me a
reason we should not use 1000 watts?
Jim - KR9U
_
Topband Reflector Archives - http://www.contesting.com/_topband
Yes.
On 3/21/2017 9:54 AM, Pete Rimmel N8PR wrote:
I keep reading about all the WSPR and other low power modes where one person
was heard all around the world. Well, maybe on a given night that can happen.
-23 on JT65 is 10 dB below the threshold where a CW signal can be copied by
ear... a
I think that's nonsense.
That said, there a lot of ways to skin this cat:
Perhaps I can brib...sorry...convince SV2ASP/A to QSL me for an ATNO on top-band
at my local noon that will be a good one that ARRL will accept?
Either that or I can rent time on a super station on the east coast and wo
that it often takes considerable
operator skill to work other than common DX stations, particularly in split
pileups on RTTY. IMHO, working RTTY is sometimes more difficult than CW and
there is certainly less DXpedition activity.
Wes Stewart www.qrz.com/db/n7ws
On 5/21/2017 2:40 PM, Mark K3M
As the real estate people say, "Location, location, location."
Wes N7WS
On 8/28/2017 3:22 PM, jayb1...@optonline.net wrote:
Last fall I installed an “S-9” 43 ft vertical, added a tapped loading coil
at the base, with 10 on-the-ground radials about 100 ft long randomly run
all over my 60x90 hou
It's really dangerous to make these "all" statements.
I've been keeping rainfall numbers and reporting them to rainlog.org for 11
years. My last measurable rain was 0.02 inches on Sept 14. The total for this
year is 7.74 inches. If I want my conduit filled with water I need to use a
garden h
Congrats Gary!
I've worked H40GC twice now and he's good copy this morning an hour before local
SR. The antenna is a still-in-work inverted-L with a too sparse radial field and
no separate RX antenna. Look at https://www.qrz.com/db/N7WS to see what I'm up
against re: radials.
Since early Au
Peter has written elsewhere about this. Perhaps he is too modest to refer to
it, but I am not:
http://www.sm2cew.com/jt65.html
Additionally, traditional RTTY is still a "hear it" mode. I actually listen to
the tones and while obviously I can't decode them by ear, I can certainly tune
them
On 10/25/2017 12:38 PM, Charlie Young wrote:
...The first big thrill was hearing my own CW echo several days in a row,
before getting my 8877 amp finished and firing up JT65A.
One of the biggest thrills in my ham radio life was hearing my 144 MHz moon
echos using a station, that except for the
On 10/25/2017 7:03 AM, Donald Moth via Topband wrote:
There was no thrill in the first FT8 contact I made like the one I received when I
worked W1BB using a Central Electronics 20A and a homebrew amp using 4 6AG7 tubes in
grounded grid and an inverted " L " only 40 feet up.
Yes I'm an old geez
I would forget the counterpoise and add more ground radials.
See https://www.w8ji.com/counterpoise_systems.htm
Wes N7WS
On 10/25/2017 7:38 AM, James Denneny wrote:
I am constructing the K2AV FCP Counterpoise for my TB inverted L antenna. I
live on a small lakeside lot.
Should I disconnec
On 10/25/2017 6:57 PM, DXer wrote:
Try leaving FT8 unattended, and see how many QSOs it makes by itself?
73 de Vince, VA3VF
_
I've unsubscribed but the WSJT-X Yahoo group can be searched for a thread where
a guy said he went off to the kitchen and came back to find he'd "worke
'm hearing that 1/4 wave radials are actually too long and shorter raises the
feedpoint.
Mike va3mw
On Oct 25, 2017, at 5:26 PM, Wes Stewart wrote:
I would forget the counterpoise and add more ground radials.
See https://www.w8ji.com/counterpoise_systems.htm
Wes N7WS
On 10/25/2017
I'm not sure why you say that but I disagree.
I cannot recommend highly enough Rudy's site: http://www.antennasbyn6lf.com
It's all there.
Wes N7WS
On 10/26/2017 5:08 AM, Michael Walker wrote:
And, apparently, that is like an old wound that will not heal.
Radials need to be much shorter and
No need to do it on my account.
On 10/26/2017 6:31 AM, k8...@alphacomm.net wrote:
This issue does indeed keep coming up, so I am posting my response (of 3
years ago) again for K7EG, N7WS, VA3MVW, W0MU, and others.
N7WS
_
Topband Reflector Archives - http://www.contesting.com/_
On 10/27/2017 9:26 AM, Ed via Topband wrote:
Greetings!
Trying to figure out my scheme for 160m. I currently have three crank up
towers about 35’ apart from one another. One cranks up to 106’, the next to 70’
and third, to 89’.
I figured I could shunt feed one of the taller towers and call i
V26 seemed to be deaf to the whole west coast.
On 10/28/2017 7:31 AM, W0MU Mike Fatchett wrote:
Working V26 was a chore from Colorado. Even 75m was tough. Not fun.
_
Topband Reflector Archives - http://www.contesting.com/_topband
On 10/29/2017 6:02 AM, StellarCAT wrote:
ahhh forgive me if I’m wrong – but all of this discussion was relative to
ELEVATED radials – correct?
No.
_
Topband Reflector Archives - http://www.contesting.com/_topband
Trevor,
You haven't really provided enough information to solve your problem. If you
want to use a shunt coil then I suggest that you consider measuring the R-jX at
your frequency of interest and then designing an L-network using purposeful
shortening of the antenna to create a capacitive rea
Well, yes, the transmitter is looking into the transmission line and then the
antenna load, so they are different. To be fair you need to place the analyzer
at the input (TX) end of the line. Now the TX and the analyzer see the same
thing. But this isn't a good way to match the antenna to the
So what's the protocol when a CW man checks a frequency, hears nothing, sends a
couple of QRL? and hears nothing and begins to run stations. Then sometime
later a guy running an imaginary mode...oops...sorry, FT8 shows up and wants to
park on the CW man's frequency? Who is to blame? I'll answ
(because he wants to hear a DX
respondent) but he will have no problem firing up 500 Hz away.
But the digital guys e.g. FT8 have 2khz wide filters. So there is a fundamental
assymetry here.
Tim N3QE
Sent from my VAX-11/780
On Nov 28, 2017, at 10:50 PM, Wes Stewart wrote:
So what'
Shh. You're giving away my secrets.
Wes N7WS
On 12/7/2017 10:07 AM, ma...@ka5m.net wrote:
I respectfully disagree with Don Kirk. My experience has been different. I
don't how many pileups I've broken quickly - where the station I'm trying to
work is operating simplex - by going split and tran
the widest passband so I can hear anyone on the
split within 2,5 KHz, the brain does the rest.
Thanks for the last weekend ARRL contest QSOs.
73
Jose, EA7KW
2017-12-07 18:33 GMT+01:00 Wes Stewart :
Shh. You're giving away my secrets.
Wes N7WS
On 12/7/2017 10:07 AM, ma...@ka5m.net wr
From time to time I'm hearing some non-ham stations transmitting on 1823 and
1829 KHz. These signals typically pop up as steady carriers then identify in
Morse and disappear. I've heard IDs of 4OMD, 4NAF and 4NAG.
Ideas?
Wes N7WS
_
Topband Reflector Archives - http://www.
Thanks for all of the replies. Seems I'd heard these mentioned someplace but
didn't put two and two together.
On 12/16/2017 1:19 PM, Wes Stewart wrote:
From time to time I'm hearing some non-ham stations transmitting on 1823 and
1829 KHz. These signals typically pop up as
It's amazing how much information you can find once you know what you are
looking for. Until then, not so much. I tried searching for "beacons", etc,
with no luck. Hence the question.
N7WS
On 12/16/2017 4:30 PM, Mike Waters wrote:
Lots of information is in the searchable archives of this r
Yeah but, do they QSL?
On 1/10/2018 4:14 PM, Bill Stewart wrote:
I just sent them an email. Maybe others can also.
Boy, whatever problem they have results in a good 160m signal.
Tnx all for replies.
Bill K4JYS
_
Topband Reflector Archives - http://www.contesting.com/_topband
Although my first ever top-band QSO was in 1959 and was a DX station (VE7) it's
only been in the last year or so that I've been semi-seriously working the
band. The impetus being a 9th band DXCC. At the moment, I have 82 entities
worked, 52 of them in the last 12 months. I'm clearly not an ex
There has been some related discussion on the Clublog group.
I'm 76 years old (this is my 60th year in ham radio) and two away (SV/A and
FR/G) from top of the Honor Roll. I don't think I'll make it in this lifetime.
In these years, I've had a local DXer (SK) call me on the telephone to let me
Fortunately, WAS rules are different. If they weren't you could work all states
on10 GHz just by driving or flying from state to state.
If DXCC worked this way there would be a lot fewer guys on the top of the Honor
Roll. That said, the 50 mile rule wouldn't affect me one bit:-)
Wes N7WS
O
Wednesday would work for me. That said, a few thoughts:
1: "right across America" includes US east coast and northern tier stations and
those of us another hop or two further from you in the far southwestern part of
the country.
2: Unless I've confused you with another Roger, I remember a n
Actually, there is QRM. In fact I gave up FT8 after about a hundred Qs after
trying to work a nameless west African who started getting clobbered mid QSO.
I just kept repeating reports hoping that the QRM would compete and move, when
up popped JTAlert with a message to the effect that my QSO
A casual S&P effort here. Worked only one EU (LZ2WO) on Saturday night local
time.
On 2/19/2018 2:21 AM, Roger Kennedy wrote:
Well on Friday night I couldn't hear one single American station . . . even
though I heard a couple of Southern Europe stations working a few.
Saturday night condition
Dave,
First I see by my log that we've had two QSOs---35 years apart--- one on 2-meter
EME and one on TB.
I'm no Beverage expert---antenna Beverage that is--- but it seems to me that
shortening the west antenna just decreased its sensitivity. If you're pointing
at one or more noise sources,
Listening in AZ. nil so far. 0300Z
On 3/21/2018 3:50 PM, Roger Kennedy wrote:
Well hopefully we'll get some stations on the band tonight !
I'll be on around 1828kHz from about Z . . .
Hope you'll be on too
73 Roger G3YRO
_
Topband Reflector Archives - http://www.contestin
Worked PJ5/SP2GCJ @0315 for a new one for me. OA4TT would have been a new one
too (I'm a newby). He was quite strong but the one time he replied to me he
didn't have my complete call, missing the "s", and he gave up and went back to
CQ very quickly (I thought).
HC2AO was ESP, at best.
It's
d rods for the same project. :-)
Dave K1WHS
(another 160 newbie!)
On 3/22/2018 2:49 PM, Wes Stewart wrote:
Worked PJ5/SP2GCJ @0315 for a new one for me. OA4TT would have been a new
one too (I'm a newby). He was quite strong but the one time he replied to
me he didn't have my comple
My first 67 entities worked on 160 were with an inverted-vee with apex at about
45 feet and the ends about 5 feet high. Actually a few were with the antenna
cut for 80 and using a tuner. I couldn't even run full power (500W) with that
configuration.
Wes N7WS
On 3/27/2018 11:49 AM, Carl Lu
We live in two countries separated by a common language.
In the states, we consider any wire in a "v" shape suspended upside down to
be...wait for it... an inverted vee, regardless of height as far as I know.
Are you suggesting that in Merrie Olde England there is a specified angle
between le
Could be. An effective balun on 160 isn't trivial, but then the questions are at
least twofold. 1) How ineffective is it and what are the relative currents on
the intended radiator compared to the incidental radiator and 2) what
constitutes the ground plane? On my cactus patch I'm working my t
I've "made a contact", if you want to call it that, with that robot twice now.
That's about the only use I have for FT8; making contacts that shouldn't count
for anything, although, I think ARRL accepts them for the grid chase thingy.
Wes N7WS
ps. At least it didn't send me a text via JTAler
1) I have yet to (and likely never will) install an RX only antenna. Hence, I
receive on the same inverted-L I transmit on. It's been my experience that I
still hear better than I get out with 500W. Perhaps it is just operator skill
that makes it possible. :-)
2) "Poor" is rather subject
Sounds like SNOTEL https://en.wikipedia.org/wiki/SNOTEL
In 1976, the ARRL SW Division convention was held here in Tucson. The local club
sponsor hadn't done anything toward serious VHF programs, so Steve, then W7RUC,
now W7CI, and yours truly, arranged a VHF breakfast meeting at the convention
The problem will be getting him to hear you. I was calling in a pile on 20 SSB
yesterday when he announced that they had another station coming up at 18130. I
doubt that anyone else heard that, considering the out of control mob. I tuned
up there and he was calling CQ at a solid S7 on my K3S
I want to see a barefoot child running around my cactus patch. And what, pray
tell, is a lawnmower?
Wes N7WS
qrz.com/db/n7ws
On 6/7/2018 1:29 PM, Rick Stealey wrote:
You should never use steel staples in the ground. Think for a minute. They
are sharp, rusty objects that stay a long time.
Since he said the coax was 75-ohm, a 75-ohm termination would be better.
On 6/9/2018 5:07 PM, Richard (Rick) Karlquist wrote:
As a sanity check, terminate the coax with a 50 ohm resistor and verify
that you have good coax. Flat line at 1:1 SWR, etc.
Rick N6RK
On 6/9/2018 4:57 PM, terry burge
Rick is correct. There is room in my AA-55 Zoom for a blocking cap. However, I
only connect it to DC grounded antennas. My 160-meter inverted-L has a 20Kohm,
10W wirewound resistor connecting the vertical to ground on the antenna side of
the coax connector as a static bleed. Without it, I co
Maybe my "Zoom" model is different from yours but I opened up my AA-55 Zoom and
found the connector to be rather securely mounted. So much so that I
reconsidered my idea of replacing the SO239 with a type N. Not that it isn't
doable, just that it was more trouble than I wanted to bother with a
Often times the only signals on the band. :-)
On 6/13/2018 11:46 AM, Richard (Rick) Karlquist wrote:
On 6/13/2018 11:35 AM, Chortek, Robert L. wrote:
A short top loaded vertical over an excellent ground will put out a fabulous
signal on 160!
Proof: fishing buoys get out like gangbusters.
I have Baker on some bands so this isn't a must have for me, although a 160 QSO
would be nice. If it was, however, at my age (pushing 77) waiting a few years
might not be an option.
I wish SV/A would be deleted, it is after all just Greece, and for some French
ops to activate FR/G. You have
According to the latest Clublog DX Report, 20-meters is still the money band;
34% of all reported contacts made during the last 7 days were on 20. Of those,
41% were DX contacts. Second was 40-meters. Thirty meters was actually fourth,
behind 6-meters.
Wes N7WS
On 6/15/2018 11:02 AM, Bry
Tony,
I'm using a DX Engineering plate on my 160 inverted-L. In my case, I also have
the HD tiltover fixture mounted on a 3" diameter pipe cast in concrete. I mount
the plate a bit over 1" above the concrete surface so there is room to install
the bolts around the edge of the plate from belo
My friend Larry's station makes them all easy :-)
I have an inverted-l, 55' of it vertical, the rest horizontal, with twenty 55'
radials. Used on both TX and RX. I first worked KH1/KH7Z on topband on June 27
@1134Z, the beginning of my sunrise. They were weak and we completed a marginal
con
Despite several emails to clear up the fact that I donated but wasn't on the
donor list, I was assured that I was and would be getting early LoTW
confirmation. Didn't happen.
Although I have enough paper cards to have 100 confirmed I've been waiting for
some time for #100 via LoTW. This one
I often saw your spots, but the hours were just awful for me in AZ. Too late to
stay up late, too early to get up early.
I am reminded of some skeds that W7UBI (SK) and I ran on another part of the
spectrum, 2-meters, on meteor scatter in 1978-1979 For over a year we did a
half-hour skeds eac
Not quite true. I was a very early users of FT8, my first experience with any
of the JT modes. Someone said that JTAlert was a must have so I installed it,
not really knowing why.
I was attempting a QSO with a west African station and could tell that I was
being QRMed after the first exchange
tinued on.
To each their own but I sure see more people trying not to play radio these
days.
W0MU
On 8/22/2018 2:19 PM, Wes Stewart wrote:
Not quite true. I was a very early users of FT8, my first experience with
any of the JT modes. Someone said that JTAlert was a must have so I insta
Bingo. Just like "government shutdowns" where they close Grand Canyon or
Yellowstone NPs. Maximize the pain for the general public so we scream.
N7WS
On 8/24/2018 5:21 AM, Brian Pease wrote:
It seems to me that this may be similar to the time when the Government
threatened to cut the VHF weat
I agree with Rick. The advantage to the edge-wound inductor is the better heat
dissipation; needed because the Q is lower :-)
Wes N7WS
On 8/30/2018 5:44 PM, Richard (Rick) Karlquist wrote:
On 8/30/2018 3:44 PM, Guy Olinger K2AV wrote:
You can also get the edge-wound (flat) 1/4 inch by 1/
For more about Roy, our DX club website has additional photos of his antenna
farm, as well as some other members' projects.
See: http://sadxa.org/memberprojects.html
Wes N7WS
On 9/16/2018 1:40 AM, S57AD wrote:
Thank you, Terry! Incredible antenna farm indeed! Enjoyed reading the story
and wa
I suspect your data. For a 0.1 lambda vertical, the radiation resistance will
be quite low particularly with sloping loading wires and with your radial system
the ground loss will be high. Additionally, I think the top loading is
insufficient to achieve resonance. Yet you seem to have it. Yo
Paul,
It would be nice to have a few more data points. The two you supplied when
mapped onto the Smith Chart don't give much evidence of a resonant point and the
second one doesn't make sense. With these limited data I suggest that your
loading wire is too long. I would try shortening it to
One problem for us on (or near) the west coast is too many DX stations to the
west QRT before our sunrise. I rely on the SR enhancement and, probably more
important, the diminished QRN from the east as the continental land mass becomes
sunlit. Of course, to the east it's pretty much hopeless
I can vouch for the AA-55 Zoom, although it is not without flaws. I live 5.9
miles from a 50KW BC station on 1550 kHz. On my 160-meter inverted-L they are
70 dB over S9 on a calibrated K3, that's 70 dB above -73 dBm or -3dBm. As long
as I don't sweep through that frequency, the analyzer is unfa
Joe is correct.
On 10/12/2018 5:45 PM, Joe Subich, W4TV wrote:
On 2018-10-12 7:10 PM, MrToby wrote:
You dont have to lower them but you need to short them to ground to
make them electrically invisible
No, with 1/4 wave elements you must *open* the feed point - disconnect
any feedlines and remo
7WS
On 10/12/2018 1:35 PM, Wes Stewart wrote:
I can vouch for the AA-55 Zoom, although it is not without flaws. I live 5.9
miles from a 50KW BC station on 1550 kHz. On my 160-meter inverted-L they are
70 dB over S9 on a calibrated K3, that's 70 dB above -73 dBm or -3dBm. As long
as I don&
The USA is a big country; four time zones. Sunset on the east coast is three +
hours before our sunset here in AZ. By the time we have full darkness (~0100Z)
you guys across the pond are all asleep. If you are up and on, we have three
time zones of QRM and several more hops to deal with.
Si
Pity they didn't stay on until our SR in AZ. But that's not atypical.
Wes N7WS
On 10/22/2018 10:55 AM, David Olean wrote:
I am not an expert on DX peditions, coming late to HF and 160 meters in my
life, but I could not get over the operator at VP6D this morning on 1.826.
Whoever it was, he
https://ac6la.com/tldetails1.html
On 10/25/2018 10:24 AM, Chortek, Robert L. wrote:
Does anyone know how much power would be lost if a resonant antenna with an
Impedance of say, e.g. 36 Ohms is fed with 50 Ohm coax? Is there a good
source where I could look up this kind of information?
T
Here's a bit more from Dan, AC6LA, about this:
https://ac6la.com/swrloss.html
Wes N7Ws
On 10/25/2018 10:49 AM, Chortek, Robert L. wrote:
Hi Mike,
That just goes so show you how little I know! I assumed, apparently
incorrectly, that there was some loss IN ADDITION to the transmission line
Whoa. I said no such thing. The AC6LA calculator is definitely not simplified
and/or inaccurate.
Wes N7WS
On 10/25/2018 11:07 AM, donov...@starpower.net wrote:
Hi Bob,
As Wes points out, the AC6LA calculator is overly simplified and not
very accurate. Despite that, the answer to your qu
I worked him near my SR this morning, although he had a tough time hearing me.
Wes N7WS
On 11/3/2018 10:42 AM, Ed Stallman wrote:
From an exchange E-mail with R0SR Igor writes . " On Top Band today I have 15
QSOs with
NA :-) From Lrkutsk CQ Zone 18 "
Times are good on the TB , keep an ear t
I can carry one card to an approved 160 field checker and get it approved. He
has no idea what my total are.
Wes N7WS
On 11/17/2018 7:32 AM, uy0zg wrote:
Joe !
To the checker was declared all 339. No doubt !
Nick, UY0ZG
Joe Subich, W4TV писал 2018-11-17 16:22:
The checker does not know
To the first order, the feedpoint Z (at resonance) will depend on the height of
the vertical portion, which affects the radiation resistance. and the resistive
loss of the ground connection which appears in series with it. A full height
(1/4 wavelength) vertical over perfect (zero ohm) ground w
That is not great. It implies excessive ground loss.
On 11/18/2018 9:41 AM, jayb1...@optonline.net wrote:
Theoretical impedance for a perfect 1/4 wave ground plane is 37 ohms. 60
ohms is great; 1.2:1 VSWR – leave it alone, you will never notice any
difference if you try to improve it. It will c
That also drives up the current in the horizontal wire with attendant increased
horizontal radiation.
I chose for a couple of reason to do the opposite; shorten the wire to make the
feedpoint capacitive and use a shunt inductor to get a 50-ohm match. This
really doesn't improve the 2:1 VSWR,
Yes, the "far end" has minimal radiation; it's the wire getting there that
does. Doubt me, model it.
Wes
On 11/18/2018 1:20 PM, F Z_Bruce wrote:
The far end is high impedance voltage, and has minimum horizontal current
radiation. The inverted L is a good trade off signal vs available heigh
One of our SADXA members just wrote a paper about the possibility of daytime
40-meter DX during mid-December.
But on this subject I would like to know who made the ONE 160-meter SSB QSO with
VP6D.
Wes N7WS
On 11/20/2018 11:57 AM, Clive GM3POI wrote:
JC I think you have to be careful about
Let's just institute the rules for WAS for DXCC.
Wes N7WS
On 11/23/2018 10:44 AM, Dan Edward Dba East edwards wrote:
gotta chip in my $0.02 on this, for what little it may be worth..
i have access to some remote rural property, here in texas, and in
oklahoma..but k5rk and w7rh pointed out '
If I understand correctly, your base loading is insufficient to bring the
vertical down to resonance, It then appears capacitive and that capacitance in
concert with the shunt inductance form an L-network match.
I use this trick on my Inverted-L, but the top loading wire is shortened to get
th
I'm not surprised and the results seem reasonable.
Wes N7WS
On 12/8/2018 2:07 PM, MICHAEL ST ANGELO wrote:
Now that the leaves are off the trees and the cold weather has returned it's
time to do antenna work.
I have an inverted L between two trees with 34 radials on the ground. Four
radials
I heard you in Tucson with a good signal (559) this morning 1 hour after my
sunrise.
Wes N7WS
On 12/17/2018 12:07 PM, Tree wrote:
Last night was a pretty decent evening with good propagation into most
parts of Europe. Managed a QSO with F5IN - first time in many years.
This morning - RA4LW
I heard TZ4AM last night here in AZ on my one and only antenna, my 55'
inverted-L. I didn't call, since I've worked him before.
Wes N7WS.
On 12/17/2018 3:33 PM, Gary Smith wrote:
Last night around 0500Z or thereabouts,
TZ4AM was coming into Connecticut at an
easy 15 over 9 on the HI-Z Circle
My opinion is that it adds unwanted horizontal radiation. Some will argue that
the current in the upper part of vertical radiator is increased, but so is the
current in the horizontal part, something seemingly overlooked by many.
In my case I *shortened* the loading wire to make the feedpoint
Noise is signal spread over a large bandwidth, We tune our receivers to a
frequency to copy signals in a relatively narrow bandwidth. Nevertheless, there
is some of that noise in that same bandwidth. How does placing a resistor or
choke to ground reduce the noise while not reducing the signal
Although licensed for 60 years I'm a relative newby on topband. (I did work VE7
in 1959 but that's another story). I decided to semi-seriously take up the band
to acquire my 9th DXCC band award.
As I've described before, pardon the redundancy, I worked my first 70 entities
using an inverted-
I just drove down to the local convenience store and bought some Powerball
tickets. If I win, there's a nice 80 acre parcel across the street from me that
I would buy. Until then, I'm stuck on a 1.7 acre plot with no room for beverages.
Wes N7WS
On 12/22/2018 1:20 PM, Mike Waters wrote:
Hi
Jeff, et.al.
1) Yes, I am on 1.7 acres (2 AC - easements). Some guys would love this much
land, to farmers it's just enough room for the barn. Regardless, considering I
also have a house, a tower and a vertical antenna to share it with, I don't have
room for Beverages, at least not an effec
I was an early participant in the SAL yahoo group and introduced Dan, AC6LA, to
the group. He has provided a lot of modeling tools.
That said, I lost interest after feeling that the design was too complicated,
not well understood and suffered from a dizzying number of changes. I could be
tot
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