Re: [Elecraft] R: Microphone

[Roger via Elecraft]

Yes indeed, the 444D works well also the 450 Seris II. 



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Re: [Elecraft] R: Re: K3S - K3 Noise Blanker and Noise Reductor

[Vic Rosenthal]

I suggest that the preamp should be OFF on 80-40-30m and usually on 20m. It is 
mostly useful on higher bands.
Also AGC threshold of 5 is probably too low, causing it to activate on band 
noise and weak signals. Try 10.
The way you have it set will result in a very noisy sounding receiver.

Vic 4X6GP

> On 13 Oct 2016, at 22:58, "glcazz...@alice.it"  wrote:
> 
> 
> 
> Many thanks Guy for you help. I use K3S from april and can be that I havent 
> set at the best the rig.I work 90% CW, usually with 500hz 5 pole filter, 
> sometime with the 200hz 6 pole.Usually I work 40-20-17-15-10 meter, in 
> contests also 80 meters.In these last months I worked expecially 
> 40-20-18-15.Usually I have AGC slow for ragchewing and fast for contests, 
> always qsk with a bug.PRE - noATT-  no AGC - slow, sometime fastANT - a Force 
> 12 C4 yagi (2el 20 - 3el 15 - 3 el 10m - 1 element 40m 17m 12m  - also have a 
> dipole 80m-40m inv vee low on a roof at 5th floor; the yagi is 8m high from 
> this roof (composite material, including aluminum layer), the buildings 
> around are lower.RX ANT - noWIDTH - the same as xtal filter, 500hz or 200hz.
> in the CONFIG MENU I have: AGC DCY - norAGC HLD - 0.00AGC PLS - norAGC SLP - 
> 012AGC THR - 005AGC-F - 120AGC-S - 020
> Now with the 500hz filter and agc fast, no preamp no attenuator,  ant yagi  
> to north america,  in this moment, I have this noise (local time 
> 22.00):40m S7 20m S4 S517m --- S3 S415m -  S312 m --- S1 S228mhz--- 
> S4Some time of the day noise from long range radar, wide spectrum military 
> emissions or domestic applience or lights noises go up to S9.
> You asked the higher signals that I receive: say 20dB over S9 or even 30dB 
> over S9 from a pair of local hams at the other side of my town.
> But I work all kind of signals low and high (327 countries DXCC and a lot of 
> ragchew CW).
> Thanks for your patience :)
> Ian IK4EWX
> 
> 
> 
> 
> 
> 
> 
> Messaggio originale
> Da: k2av@gmail.com
> Data: 13-ott-2016 21.08
> A: "Gian Luca Cazzola", 
> Ogg: Re: [Elecraft] K3S - K3 Noise Blanker and Noise Reductor
> 
> Hi, Ian,
> 
> Can you possibly tell me these settings, please? You are getting
> results very, very different than I do.
> 
> What bands are you using?
> 
> On each band in question, what is the noise floor on the s-meter when
> the band is open.
> 
> On each band in question, what is the s-meter reading for the loudest
> signals you are receiving when the band is open.
> 
> On each band in question, what are these settings made from the front
> panel: PRE, ATT, AGC, ANT, RX ANT, WIDTH,
> 
> What are these settings made in the CONFIG MENU: AGC DCY, AGC HLD, AGC
> PLS, AGC SLP, AGC THR, AGC-F, AGC-S
> 
> There is some kind of interaction with NB and NR for each of these.
> Perhaps there are one or two of them that are reducing your results.
> 
> 73, Guy K2AV
> 
> 
> 
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[Elecraft] Microphone

[Johnny Siu via Elecraft]

In fact, I find modern transceivers including K3 are very accommodating to 
microphones. Professional broadcasting microphone is simply over killed for ham 
purposes.  Sometimes, just a bit experiment, even with computer headset, you 
will get good results.
I sold all my Heil gears such as PR781.  I am now using CM500 and a few low 
cost mics.  I am not saying Heil is no good but too overkill for ham radio.
73
Johnny VR2XMC

  寄件人︰ Jim Brown 
 收件人︰ 
副本(CC)︰ elecraft@mailman.qth.net
 傳送日期︰ 2016年10月14日 (週五) 11:24 AM
 主題︰ Re: [Elecraft] Microphone
   
On Thu,10/13/2016 1:18 PM, Michael Wong wrote:
> I’m still more of an audio professional than an accomplished ham, so I’ll ask 
> while the thread is hot - why does ham gear use non-standard interconnects? 
> Why don't Elecraft and others move to 3-pin XLR?
Two very good reasons -- panel real estate and the lack of NEED for pro 
mics.  optimum SSB bandwidth for communications is 500 Hz - 3 kHz. All 
that low end does is suck TX power with no intelligibility gain.

Virtually any ubalanced electret capsule or dynamic mic works very well 
with ham gear and sounds great. There is no need for pro mics with ham 
gear, and they cost a lot more than commonly used ham mics that sound 
quite good. All you need to run the electret is bias, which is applied 
to the mic output, about 8V through about 6K. Neither value is critical. 
This is exactly what we do for the lav capsules that are used with 
wireless mics.

> Honestly, the bottom of my mic cabinet is probably overkill for ham, but the 
> fact I have to get (or make) a custom adapter for even my least expensive mic 
> irks me.

I was in the same position 12 years ago when I got back on the air, and 
made a simple adapter to use an RE16 because I didn't own a ham mic. I 
continued to use it (on an AKG boom stand) until W6XU found and promoted 
the CM500.

73, Jim K9YC


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Re: [Elecraft] Microphone

[Jim Brown]

On Thu,10/13/2016 1:18 PM, Michael Wong wrote:

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR?
Two very good reasons -- panel real estate and the lack of NEED for pro 
mics.  optimum SSB bandwidth for communications is 500 Hz - 3 kHz. All 
that low end does is suck TX power with no intelligibility gain.


Virtually any ubalanced electret capsule or dynamic mic works very well 
with ham gear and sounds great. There is no need for pro mics with ham 
gear, and they cost a lot more than commonly used ham mics that sound 
quite good. All you need to run the electret is bias, which is applied 
to the mic output, about 8V through about 6K. Neither value is critical. 
This is exactly what we do for the lav capsules that are used with 
wireless mics.



Honestly, the bottom of my mic cabinet is probably overkill for ham, but the 
fact I have to get (or make) a custom adapter for even my least expensive mic 
irks me.


I was in the same position 12 years ago when I got back on the air, and 
made a simple adapter to use an RE16 because I didn't own a ham mic. I 
continued to use it (on an AKG boom stand) until W6XU found and promoted 
the CM500.


73, Jim K9YC


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Re: [Elecraft] Microphone

[Ron D'Eau Claire]

As an aside, the 3 kHz peak goes back well before SSB was popular. It was
determined to be the optimum peak response for communications. For example,
the famous D-104 with its original crystal element from the early 1930's
featured just that peak. 

As others mentioned, any electret element sold today has a frequency
response far better than any communications circuit can use. For example, I
have a $4.00 Radio Shack electret element that is flat from 70 Hz to over 10
kHz. 

Of course, any decent SSB rig will limit the audio bandwidth to between 300
Hz and about 2.7 kHz. If you are really serious about getting the boost
around 3 kHz an Elecraft K3, K3S or KX3 can have the Tx equalizer set up to
provide that for you. 

73, Ron AC7AC

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Re: [Elecraft] KX3 filter "sweet spot"?

[Don Wilhelm]

Jeff,

The "sweet spot" for the K3/K3S or KX3 is most anywhere in the 300 to 
3000 Hz range.
That is *IF* you are using DATA A submode where the TX and RX 
equalization is set to flat and the compression is turned off.


If you are trying to use SSB mode, you can follow the "internet advice", 
but the using the Elecraft gear, you should follow the Elecraft manual - 
it behaves differently than most transceivers and has special provisions 
for data modes that are absent in other transceivers.


The Fldigi manual is written for the 'other' transceivers because they 
are more plentiful.


73,
Don W3FPR

On 10/13/2016 9:33 PM, Thorpe, Jeffrey wrote:

I'm going though the FLDigi manual and have come across (at the "Operating Controls 
and Displays" section, regarding the QSY button) a reference to the 'sweet spot' and 
setting parameters for it in the configuration screen. How do you find that? Is that just 
a 'given' at a particular frequency for the KX3 with the filter option installed?


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[Elecraft] KX3 filter "sweet spot"?

[Thorpe, Jeffrey]

I'm going though the FLDigi manual and have come across (at the "Operating 
Controls and Displays" section, regarding the QSY button) a reference to the 
'sweet spot' and setting parameters for it in the configuration screen. How do 
you find that? Is that just a 'given' at a particular frequency for the KX3 
with the filter option installed?

Jeff - KG7HDZ
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Re: [Elecraft] Microphone

[ab2tc]

Hi Jim,

Gee Jim, I don't quite understand what your point is. You and I have always
been agreeing that the use of professional audio microphones and other
equipment for communications is not only a huge waste of money but also a
big inconvenience; 3-pin XL is not a convenient connector for ham radio use.
Who cares what PA and sound enforcement equipment equipment is using for a
microphone connector.

AB2TC - Knut


Jim Brown-10 wrote
> On Thu,10/13/2016 3:29 PM, Joe Subich, W4TV wrote:
>> Only broadcast and recording gear use balanced inputs with or without
>> high voltage phantom power for condenser mics.  Even general purpose
>> public address systems tend to use unbalanced mic connections.
> 
> WRONG -- virtually all modern PA and sound reinforcement systems have 
> used 3-pin XL connectors for more than 50 years. The exceptions are VERY 
> CHEAP junk sold by places like Radio Shack, and those built into 
> security systems. Most musical instrument amps have only unbalanced 
> inputs. Back in the '70s, I was maintaining lots of paging systems 
> professionally installed paging systems that used balanced mics and 
> balanced wiring exclusively, and many of them had been in service for 20 
> years. I don't remember ever working on a PA system that used unbalanced 
> mics except as lavalier mics connected to a wireless mic transmitter.
> 
> Communications mics made by companies like Shure, EV, and Turner 
> were/are made with output transformers that matched them to balanced 
> low-Z inputs for use in professional systems and unbalanced hi-Z for use 
> with ham radio, and PTT switches that can either be wired to key a 
> transmitter or short/open the audio path. The Shure 444 is a great 
> example -- the response is carefully tailored to roll off the low end 
> and add a strong peak around 3 kHz to compensate the rolloff of the TX 
> SSB filter. This response also works well for paging.
> 
> 73, Jim K9YC
> 
> 
> 
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Re: [Elecraft] Microphone

[Jim Brown]

On Thu,10/13/2016 3:29 PM, Joe Subich, W4TV wrote:

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.


WRONG -- virtually all modern PA and sound reinforcement systems have 
used 3-pin XL connectors for more than 50 years. The exceptions are VERY 
CHEAP junk sold by places like Radio Shack, and those built into 
security systems. Most musical instrument amps have only unbalanced 
inputs. Back in the '70s, I was maintaining lots of paging systems 
professionally installed paging systems that used balanced mics and 
balanced wiring exclusively, and many of them had been in service for 20 
years. I don't remember ever working on a PA system that used unbalanced 
mics except as lavalier mics connected to a wireless mic transmitter.


Communications mics made by companies like Shure, EV, and Turner 
were/are made with output transformers that matched them to balanced 
low-Z inputs for use in professional systems and unbalanced hi-Z for use 
with ham radio, and PTT switches that can either be wired to key a 
transmitter or short/open the audio path. The Shure 444 is a great 
example -- the response is carefully tailored to roll off the low end 
and add a strong peak around 3 kHz to compensate the rolloff of the TX 
SSB filter. This response also works well for paging.


73, Jim K9YC



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Re: [Elecraft] K3S QST Article

[ab2tc]

Hi Wes,

You can read it online. I received an Email link from ARRL to my online
copy.

AB2TC - Knut


Wes Stewart-2 wrote
> I have not seen my QST yet.  I think the mailman reads it first.  But you
> ask an 
> excellent question.
> 
> On 10/13/2016 2:25 PM, ab2tc wrote:
>> Hi,
>>
>> Very good review - for the most part.
> 





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Re: [Elecraft] K3S QST Article

[lmarion]

Good question that I would like to know the answer to.

Leroy AB7CE

-Original Message- 
From: ab2tc

Sent: Thursday, October 13, 2016 3:25 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3S QST Article

Hi,

Very good review - for the most part.

I am concerned about the transmit IMD results mentioned only in a side bar
"Lab Notes: ..." on page 50. Initially the transmit IMD in the original
review sample was less than stellar, but eventually got resolved by Elecraft
submitting a new review sample with KPA3A rev C4 and KLPA3 rev B installed.
How can I tell if my relatively new K3S ser# 10480 has the new modules
installed? If they aren't, is this a warranty repair?

AB2TC - Knut



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Re: [Elecraft] Is the K3 have low sensitivity on 10 M and 6 M

[Fred Jensen]

Re #3: I never have either.  While a thorough analysis of "To Preamp or 
Not to Preamp" is complex and very situational, the antenna check is 
really a very good indicator:


Remove the antenna and note the noise produced by the K3.  Connect the 
antenna.  If the noise rises, adding a preamp at the radio isn't likely 
to do much for you.  At the antenna, it can compensate for loss in the 
transmission line, but that's not likely very high on 10m or even 6m 
unless your coax is very long or full of water.


My experience is:  When the noise rises by connecting the antenna and I 
still can't hear the signals, I need a better antenna. [:-)


73,

Fred K6DGW
- Sparks NV DM09dn

- Northern California Contest Club
- CU in the Cal QSO Party 7-8 Oct 2017
- www.cqp.org

On 10/13/2016 5:46 AM, Bill W4ZV wrote:

1.  Is your PREamp turned on for 10m?  Hopefully you don't accidentally have
RX ANT activated.
2.  Please describe your antenna in more detail, including orientation.
3.  I've never needed a preamp on 10m in the 8 years I've had a K3, but my
antenna system has a lot of gain.

73,  Bill  W4ZV


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Re: [Elecraft] Microphone

[Bill Steffey NY9H]

anyway do note that perusing Digikey & Mouser you will have a hard time finding
ANY electret from the worlds electret makers ,,, that exceeds 
5$  ..(.5 for 3$ )

except knowles a chicago based mfg of tiny mic elements.
the cabinet /enclosure mic body, cable & windsreen add up ...
so make your own  take an old mic  insert electret

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Re: [Elecraft] Microphone

[Rich]

Did not one of the Yaesu rigs have an balanced XLR connector?   I had 
this exact conversation with Bob Heil at Dayton a few years back


Rich

K3RWN


On 10/13/2016 18:29 PM, Joe Subich, W4TV wrote:


> why does ham gear use non-standard interconnects?

Ham gear does not use "non-standard interconnects."  Nearly every
*communications* device ever made uses an unbalanced audio (mic)
input - whether is be the old tube gear with their high impedance
(think D-104 or Shure-444) mics or modern solid state gear with
the low impedance inputs.

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.

73,

   ... Joe, W4TV


On 10/13/2016 4:18 PM, Michael Wong wrote:
I’m still more of an audio professional than an accomplished ham, so 
I’ll ask while the thread is hot - why does ham gear use non-standard 
interconnects? Why don't Elecraft and others move to 3-pin XLR? 
Honestly, the bottom of my mic cabinet is probably overkill for ham, 
but the fact I have to get (or make) a custom adapter for even my 
least expensive mic irks me.



On Oct 13, 2016, at 1:01 PM, Jim Brown  
wrote:


The CM500 is the clear winner -- great sounding mic, great sounding 
headphones are very comfortable.  As a retired pro recording 
engineer, I own several dozen excellent mics. Anything more 
expensive that the CM500 is a waste of money. The EV RE320 someone 
suggested is a nice mic for broadcast work, but gross overkill for a 
ham station.


73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 
plastic one (has a good mic), a Yamaha CM500 ($45, many K3 owners 
have that one, good mic) and a david clark aviation headset 
(several hundreds of dollars, good mic).


The difference is in the ears of the headsets,




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Re: [Elecraft] Microphone

[Lynn W. Taylor, WB6UUT]

On 10/13/2016 1:18 PM, Michael Wong wrote:

why does ham gear use non-standard interconnects?

The nice thing about standards is that there are so many to choose from.
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Re: [Elecraft] K3S QST Article

[Wes Stewart]

I have not seen my QST yet.  I think the mailman reads it first.  But you ask an 
excellent question.


On 10/13/2016 2:25 PM, ab2tc wrote:

Hi,

Very good review - for the most part.

I am concerned about the transmit IMD results mentioned only in a side bar
"Lab Notes: ..." on page 50. Initially the transmit IMD in the original
review sample was less than stellar, but eventually got resolved by Elecraft
submitting a new review sample with KPA3A rev C4 and KLPA3 rev B installed.
How can I tell if my relatively new K3S ser# 10480 has the new modules
installed? If they aren't, is this a warranty repair?

AB2TC - Knut



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Re: [Elecraft] Microphone

[Al Lorona]

The use of professional broadcasting and recording microphones is totally 
ridiculous overkill for ham radio application. On the air, these mics are 
indistinguishable from much cheaper units, if everything's adjusted properly. A 
ham who spends more than $75 on a mic because he feels he needs to to sound 
good is misinformed.
However, one factor at play here may be the pride of sitting behind a big name 
mic as you transmit. I'm not going to take that away from any ham who wants 
that experience. Just don't claim that it makes you *sound* any better. It 
doesn't.
R,
Al  W6LX

    
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Re: [Elecraft] Microphone

[Joe Subich, W4TV]

> why does ham gear use non-standard interconnects?

Ham gear does not use "non-standard interconnects."  Nearly every
*communications* device ever made uses an unbalanced audio (mic)
input - whether is be the old tube gear with their high impedance
(think D-104 or Shure-444) mics or modern solid state gear with
the low impedance inputs.

Only broadcast and recording gear use balanced inputs with or without
high voltage phantom power for condenser mics.  Even general purpose
public address systems tend to use unbalanced mic connections.

73,

   ... Joe, W4TV


On 10/13/2016 4:18 PM, Michael Wong wrote:

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR? Honestly, the bottom of my mic 
cabinet is probably overkill for ham, but the fact I have to get (or make) a 
custom adapter for even my least expensive mic irks me.



On Oct 13, 2016, at 1:01 PM, Jim Brown  wrote:

The CM500 is the clear winner -- great sounding mic, great sounding headphones 
are very comfortable.  As a retired pro recording engineer, I own several dozen 
excellent mics. Anything more expensive that the CM500 is a waste of money. The 
EV RE320 someone suggested is a nice mic for broadcast work, but gross overkill 
for a ham station.

73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 plastic one 
(has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, good mic) 
and a david clark aviation headset (several hundreds of dollars, good mic).

The difference is in the ears of the headsets,




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Re: [Elecraft] K3S QST Article

[ab2tc]

Hi,

Very good review - for the most part. 

I am concerned about the transmit IMD results mentioned only in a side bar
"Lab Notes: ..." on page 50. Initially the transmit IMD in the original
review sample was less than stellar, but eventually got resolved by Elecraft
submitting a new review sample with KPA3A rev C4 and KLPA3 rev B installed.
How can I tell if my relatively new K3S ser# 10480 has the new modules
installed? If they aren't, is this a warranty repair?

AB2TC - Knut



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K3S-QST-Article-tp7623295p7623325.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Interlocking two K3

[Roger Dixon]

Thanks for the comments.  I now have a prototype solution running with a
4027 and a 4528 !!
73
Roger

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Edward
R Cole
Sent: 11 October 2016 05:50
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Interlocking two K3

The simple fix is to move the 470-ohm resistors to be inserted between pin-1
and Pin-7.  The resistor is used to limit current draw when pin-7 is
grounded (inhibiting Tx).  With pin-10 directly connected to pin-7, pin-7
will go directly to low when pin-10 does.

If you want a little more insurance that current goes the correct direction
add a diode pointing toward pin-10 from pin-7.

I am using inhibit with my station sequencer (except with the opposite
logic: INH=HI):
http://www.kl7uw.com/TX-INHIBIT.htm
also added a little more band logic for use with transverters and disables
inhibit with HF.

73, Ed - KL7UW

-
From: "Val" 
To: 
Subject: Re: [Elecraft] Interlocking two K3
Message-ID: <835760C8560A48D18E811EB243F91E3E@OFFICE>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
 reply-type=original

Charlie, how this could work after there is no way the TX Inh inputs to be
pulled down?

73, Val LZ1VB

 > Roger:
 > Look at:
 >
 > http://www.kkn.net/~n6tv/SimpleElecraftK3SO2RLockoutCircuit.pdf
 >
 > I belive it's different than the one you described in your email.
 > I've
 > used this one successfully.
 >
 > 73 charlie, k1xx


73, Ed - KL7UW
http://www.kl7uw.com
 "Kits made by KL7UW"
Dubus Mag business:
 dubus...@gmail.com

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-
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Checked by AVG - www.avg.com
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Re: [Elecraft] Microphone

[n9tf]

Bill, 
  
I have the CM500, and am very, very happy with it. I also use a Heil Gold Elite 
that was originally on my ProIII. I use the CM500 way more than the Heil. The 
EQ functionality in the K3S is superb, making any inexpensive microphone sound 
like a million bucks. Don't go overboard on the $$ for a microphone. Put that 
extra $$ towards antennas!! 
  
Gene 
N9TF 
  
K3S 10057 

- Original Message -

From: "Bill DeVore"  
To: "elecraft"  
Sent: Thursday, October 13, 2016 1:37:44 PM 
Subject: [Elecraft] Microphone 

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions. 

Bill - W3PNM 
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Re: [Elecraft] Microphone

[Ken G Kopp]

I suspect that most of today's radio's require more than three wires for
all the functions we expect.  (:-)

73

K0PP

On Oct 13, 2016 2:18 PM, "Michael Wong"  wrote:

> I’m still more of an audio professional than an accomplished ham, so I’ll
> ask while the thread is hot - why does ham gear use non-standard
> interconnects? Why don't Elecraft and others move to 3-pin XLR? Honestly,
> the bottom of my mic cabinet is probably overkill for ham, but the fact I
> have to get (or make) a custom adapter for even my least expensive mic irks
> me.
>
>
> > On Oct 13, 2016, at 1:01 PM, Jim Brown 
> wrote:
> >
> > The CM500 is the clear winner -- great sounding mic, great sounding
> headphones are very comfortable.  As a retired pro recording engineer, I
> own several dozen excellent mics. Anything more expensive that the CM500 is
> a waste of money. The EV RE320 someone suggested is a nice mic for
> broadcast work, but gross overkill for a ham station.
> >
> > 73, Jim K9YC
> >
> > On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:
> >>
> >> I never bought any handmic. But I own several headsets, a $4,50 plastic
> one (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one,
> good mic) and a david clark aviation headset (several hundreds of dollars,
> good mic).
> >>
> >> The difference is in the ears of the headsets,
> >
>
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[Elecraft] R: Microphone

[glcazz...@alice.it]

The SHURE 444D is a very good performer with K3S.Real ot ham radio style :)

Ian IK4EWX


Messaggio originale
Da: maxr...@gmail.com
Data: 13-ott-2016 20.37
A: 
Ogg: [Elecraft] Microphone

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM
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Re: [Elecraft] Microphone

[Jim Cox]

I use the PR-10 and got a lot of very good audio reports.  Jim K4JAF

-Original Message- 
From: Bill DeVore

Sent: Thursday, October 13, 2016 1:37 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Microphone

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.


Bill - W3PNM
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Re: [Elecraft] Microphone

[Michael Wong]

I’m still more of an audio professional than an accomplished ham, so I’ll ask 
while the thread is hot - why does ham gear use non-standard interconnects? Why 
don't Elecraft and others move to 3-pin XLR? Honestly, the bottom of my mic 
cabinet is probably overkill for ham, but the fact I have to get (or make) a 
custom adapter for even my least expensive mic irks me.


> On Oct 13, 2016, at 1:01 PM, Jim Brown  wrote:
> 
> The CM500 is the clear winner -- great sounding mic, great sounding 
> headphones are very comfortable.  As a retired pro recording engineer, I own 
> several dozen excellent mics. Anything more expensive that the CM500 is a 
> waste of money. The EV RE320 someone suggested is a nice mic for broadcast 
> work, but gross overkill for a ham station.
> 
> 73, Jim K9YC
> 
> On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:
>> 
>> I never bought any handmic. But I own several headsets, a $4,50 plastic one 
>> (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, good 
>> mic) and a david clark aviation headset (several hundreds of dollars, good 
>> mic).
>> 
>> The difference is in the ears of the headsets, 
> 

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Re: [Elecraft] Microphone

[Jim Brown]

The CM500 is the clear winner -- great sounding mic, great sounding 
headphones are very comfortable.  As a retired pro recording engineer, I 
own several dozen excellent mics. Anything more expensive that the CM500 
is a waste of money. The EV RE320 someone suggested is a nice mic for 
broadcast work, but gross overkill for a ham station.


73, Jim K9YC

On Thu,10/13/2016 12:40 PM, Arie Kleingeld PA3A wrote:


I never bought any handmic. But I own several headsets, a $4,50 
plastic one (has a good mic), a Yamaha CM500 ($45, many K3 owners have 
that one, good mic) and a david clark aviation headset (several 
hundreds of dollars, good mic).


The difference is in the ears of the headsets, 



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[Elecraft] R: Re: K3S - K3 Noise Blanker and Noise Reductor

[glcazz...@alice.it]

Many thanks Guy for you help. I use K3S from april and can be that I havent set 
at the best the rig.I work 90% CW, usually with 500hz 5 pole filter, sometime 
with the 200hz 6 pole.Usually I work 40-20-17-15-10 meter, in contests also 80 
meters.In these last months I worked expecially 40-20-18-15.Usually I have AGC 
slow for ragchewing and fast for contests, always qsk with a bug.PRE - noATT-  
no AGC - slow, sometime fastANT - a Force 12 C4 yagi (2el 20 - 3el 15 - 3 el 
10m - 1 element 40m 17m 12m  - also have a dipole 80m-40m inv vee low on a roof 
at 5th floor; the yagi is 8m high from this roof (composite material, including 
aluminum layer), the buildings around are lower.RX ANT - noWIDTH - the same as 
xtal filter, 500hz or 200hz.
in the CONFIG MENU I have: AGC DCY - norAGC HLD - 0.00AGC PLS - norAGC SLP - 
012AGC THR - 005AGC-F - 120AGC-S - 020
Now with the 500hz filter and agc fast, no preamp no attenuator,  ant yagi  to 
north america,  in this moment, I have this noise (local time 22.00):40m S7 
20m S4 S517m --- S3 S415m -  S312 m --- S1 S228mhz--- S4Some time of the 
day noise from long range radar, wide spectrum military emissions or domestic 
applience or lights noises go up to S9.
You asked the higher signals that I receive: say 20dB over S9 or even 30dB over 
S9 from a pair of local hams at the other side of my town.
But I work all kind of signals low and high (327 countries DXCC and a lot of 
ragchew CW).
Thanks for your patience :)
Ian IK4EWX







Messaggio originale
Da: k2av@gmail.com
Data: 13-ott-2016 21.08
A: "Gian Luca Cazzola", 
Ogg: Re: [Elecraft] K3S - K3 Noise Blanker and Noise Reductor

Hi, Ian,

Can you possibly tell me these settings, please? You are getting
results very, very different than I do.

What bands are you using?

On each band in question, what is the noise floor on the s-meter when
the band is open.

On each band in question, what is the s-meter reading for the loudest
signals you are receiving when the band is open.

On each band in question, what are these settings made from the front
panel: PRE, ATT, AGC, ANT, RX ANT, WIDTH,

What are these settings made in the CONFIG MENU: AGC DCY, AGC HLD, AGC
PLS, AGC SLP, AGC THR, AGC-F, AGC-S

There is some kind of interaction with NB and NR for each of these.
Perhaps there are one or two of them that are reducing your results.

73, Guy K2AV



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Re: [Elecraft] Microphone

[Arie Kleingeld PA3A]

Bill,

You could try a nice looking, computer headset with electret mic. You'll 
be amazed by the results. The K3 works well with just about any mic. 
Well done Elecraft.


I never bought any handmic. But I own several headsets, a $4,50 plastic 
one (has a good mic), a Yamaha CM500 ($45, many K3 owners have that one, 
good mic) and a david clark aviation headset (several hundreds of 
dollars, good mic).


The difference is in the ears of the headsets, all mics perform well, 
thanks to the EQ/gain/proc-setting possibilities in the K3. I take the 
plastic headset with me when camping, the CM500 in my quiet shack and 
the david clark when I'm working in a multi-operator contest with lots 
op people walking and talking.


As far as mic-audio is concerned: how much hi-fi can you put through a 
2.5kHz bandwidth SSB signal? Will the expensive Heil PR-10 make a real 
difference? For peace of mind: buy the Heil. 'My mic is is Heil PR-10' 
sounds quite different from "my mic is a cheap electret computermic'.


:-)

73

Arie PA3A



Op 13-10-2016 om 20:37 schreef Bill DeVore:

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM


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Re: [Elecraft] Microphone

[Bert Craig]

My vote is for the EV RE320. It's more than adequate with my K2/100. Take care 
es... 

Vy 73 de Bert
WA2SI

Sent from my android device.

-Original Message-
From: Bill DeVore 
To: elecraft@mailman.qth.net
Sent: Thu, 13 Oct 2016 14:37
Subject: [Elecraft] Microphone

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM
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[Elecraft] Microphone

[Bill DeVore]

I just completed assembly of my K3S, KAT500, KPA500 and P3. I didn't order a 
microphone from Elecraft. I am considering a Heil PR-10 but will welcome any 
suggestions.

Bill - W3PNM
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Re: [Elecraft] K3S - K3 Noise Blanker and Noise Reductor

[Gian Luca Cazzola]

Don, sorry, but the NB doesnt work even on statics caused by rain or snow.
I really think that it doesn’t work well.
I tried it ON and with different settings, but in no way I could appreciate it.
If it work on impulse woodpeaker noise i really dont care: woodpeaker doesnt 
exist now. 
But today we have other radar noises on which the K3S doesnt work.
So it seem to me useless.
Also, the noise reduction of NR is really limited, I have not great results 
using  it.
But, please say me: on your K3 do you sometime need to use NB and NR? And how 
you regulated them in the menu?
Thanks
Ian IK4EWX



> Il giorno 13 ott 2016, alle ore 14:27, Don Wilhelm  
> ha scritto:
> 
> Ian,
> 
> A noise blanker will work best on impulse noise - such as automotive ignition 
> noise or lightning spikes.  It needs a fast pulse rise time to trigger.
> 
> A noise blanker works by punching a hole in the signal - and if the holes are 
> too wide or too frequent, you will find what is left of the signal path to be 
> distorted.
> 
> A noise blanker will not work on band noise or other forms of more constant 
> noise.  That is what Noise Reduction is for.
> 
> Noise Reduction works on correlation - the algorithm looks for what might be 
> a real signal and builds a filter around it.
> 
> 73,
> Don W3FPR
> 
> On 10/13/2016 8:11 AM, Gian Luca Cazzola wrote:
>> I am tha satisfied owner of an Elecraft K3S. I think that for a cw operator 
>> (I work 99percent CW) it is a great rig, can be the absolute best on the ham 
>> rigs market.
>> It has only a really poor noise blanker.
>> I live in a town, downtown. I have noise from residential electric lights or 
>> other electrical gears. I see on my P3 panadaptor‎ noise from radar or other 
>> military wide trasmission.
>> On none of these noises the NB work.
>> I tried different NB setting, but each, IF NB and DSP NB, none of them 
>> reduce really noises.
>> Only NR seem to have a limited little effective ‎ result on band noise.
>> I would like your opinion about NB and NR and know from  K3 es K3S owners 
>> living ‎in town how they set them.

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Re: [Elecraft] Elecraft K3S NB and NR.

[Eric Swartz - WA6HHQ, Elecraft]

Note - if your posts are not coming through with their text, that usually means 
you are sending in HTML format only.  The list server strips HTML in order to 
keep the digests readable.


Posts should be in plain unformatted text.  (no fonts, bold etc. )

Some browsers will send both HTML and plain text if you set the address book 
entry for the recipient's format as 'unknown', versus just plain text or HTML.


73,

Eric
/moderator etc. -//elecraft.com/

On 10/13/2016 4:29 AM, glcazz...@alice.it wrote:

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[Elecraft] Antenna Questions

[k...@juno.com]

On 10/10/2016 5:14 PM, hsherr...@reagan.com wrote:
> OK all. I'm installing a 6m rotating beam and feeding it with LMR400. Would 
> you 
connect the LMR to the antenna and allow it to move with the rotation, or run a 
short 
length of something much more flexible between the antenna and LMR? I have my 
concerns 
that the solid heavy inner conductor of the LMR won't take much movement.
>
> Harlan
> K4HES


OM Harlan, 

I'd take the advice of K2ASP, W6XU, K6DGW, KL7UW, K9YC and K3DJC.

I've got 30+ years in military and commercial 2-way radio ranging from just 
below 40 MHz to over 10 GHz.  In that time, I have designed, built, installed, 
moved, repaired, tuned, modified and replaced over 700 antennas. ("antennae" 
refer to insect appendages)

The counsel of those in the list above agrees with my education and experience 
and is worthy of your consideration as they know what they are talking about.

73,

Tim Colbert  K3HX




-- Original Message --
From: elecraft-requ...@mailman.qth.net
To: elecraft@mailman.qth.net
Subject: Elecraft Digest, Vol 150, Issue 9
Date: Tue, 11 Oct 2016 10:13:50 -0400

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Today's Topics:

   1. PX-3 Spoken For (David Gow)
   2. Re: Antenna Question (Clay Autery)
   3. Re: Antenna Question (Phil Kane)
   4. Re: Antenna Question (Josh Fiden)
   5. Re: Antenna Question (Fred Jensen)
   6. Re: K-pod SSB macro (Don Wilhelm)
   7. Re: Antenna Question (Clay Autery)
   8. Re: K-pod SSB macro (Bill Frantz)
   9. Re: Antenna Question (Bob)
  10. Re: Antenna Question (John Parker)
  11. Re: Antenna Question (Josh Fiden)
  12. Re: Antenna Question (Josh Fiden)
  13. Re: Antenna Question (Bob)
  14. Re: Antenna Question (Clay Autery)
  15. K3S Time Display Bug (Bob Martin)
  16. Re: Antenna Question (Mark E. Musick)
  17. Re: Interlocking two K3 (Don Wilhelm)
  18. Re: Interlocking two K3 (Edward R Cole)
  19. Re: Antenna Question (Edward R Cole)
  20. Re: Antenna Question (Vic Rosenthal)
  21. Re: Antenna Question (Jim Brown)
  22. [K3] KPA3A low Bias (Martin)
  23. K3S with ACOM 1000 linear amp. (Alex Dokic)
  24. Re: Antenna Question (Nr4c)
  25.  K3S with ACOM 1000 linear amp. (Martin)
  26. I:  K3S with ACOM 1000 linear amp. (glcazz...@alice.it)
  27. Re: Antenna Question (Vic Rosenthal 4X6GP)
  28. Re: Antenna Question (Charlie T, K3ICH)
  29. Elecraft K3S wth Acom 1000 (Alex Dokic)
  30. Re: Antenna Question (riese-k3...@juno.com)
  31. Fw: Re:  Antenna Question (riese-k3...@juno.com)


--

Message: 1
Date: Mon, 10 Oct 2016 15:38:33 -0700
From: David Gow <6146...@gmail.com>
To: elecraft@mailman.qth.net
Subject: [Elecraft] PX-3 Spoken For
Message-ID:

Content-Type: text/plain; charset=UTF-8

The PX-3 I posted has been spoken for.  Thanks for all the responses.  If
it fall through I will contact all who responded in the order received.

73 Dave
W7VM


--

Message: 2
Date: Mon, 10 Oct 2016 17:44:35 -0500
From: Clay Autery 
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Antenna Question
Message-ID: <671ab620-59f3-4af5-6aad-25d95577a...@montac.com>
Content-Type: text/plain; charset=windows-1252

You'll get lots of suggestions, but I believe the use of a single
unbroken feedline from the antenna to the shack (when possible) trumps
the inconvenience of properly engineering an install that does NOT put
unnecessary repetitive bending moments on the line.

Do the research  There's all kinds of info on how to create/route a
feedline for rotator use...

Most of the people I know with tall towers and big antennae use LMR-400
(or similar size) AS the "smaller jumper".

No reason NOT to use LMR-400 from the antenna to the station...

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 10/10/2016 5:14 PM, hsherr...@reagan.com wrote:
> OK all. I'm installing a 6m rotating beam and feeding it with LMR400. Would 
> you connect the LMR to the antenna and allow it to move with the rotation, or 
> run a short length of something much more flexible between the antenna and 
> LMR? I have my concerns that the solid heavy inner conductor of the LMR won't 
> take much movement.
>
> Harlan
> K4HES
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: 

Re: [Elecraft] K3 SWR/Tuner Utility

[Jim McDonald]

My computer is running the pre-anniversary edition of Windows 10 Professional.

 

I just started K3_EZ V2.0.0.8, and it works fine.  I forget features of that 
version seemed to have bugs, but I also have an older edition installed as 
well.  It may have a problem saving TX/RX EQ settings, but I'm not sure.

 

I always liked the program, which was developed by N2BC.  It hasn’t been 
updated for a long time.

 

For those not familiar with it, here’s a summary of the features from the help 
file:

 

Overview:  K3EZ is designed to provide the following basic functions:

*A simple frequency ‘Stacking’ function with most of the K3 front panel 
buttons available to ‘click and change’

*An easy to use frequency memory database

*An easy to use graphic display and Set and Get of RX and TX Equalizers 
with a saved setting database

*Basic K3 information (COM port, Firmware levels, installed options, 
filters, etc.)

*A formatted and functionally organized display of the majority of the K3 
CONFIG settings

*An easy to use K3 Command Utility, formats K3 responses in ASCII or HEX

*SWR Scan function to sample and graph SWR

With the exception of the K3 RX and TX equalizers, the program DOES NOT change 
K3 CONFIG settings.  It does provide easy to use access to the settings, but 
YOU make the changes!

 

73, Jim N7US

 

 

-Original Message-



 

Has anyone gotten K3 EZ to run under Windows 10?  It worked fine for me under 
Windows 7 but no luck on Windows 10.  Thanks.

 

NWØM  Mitch

 

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Re: [Elecraft] K3S QST Article

[Wayne Burdick]

Thank you for noticing :)

73,
Wayne
N6KR


On Oct 12, 2016, at 8:41 PM, "Dauer, Edward"  wrote:

> The November issue of QST arrived in the mail today.  Nice article about the 
> K3S, in case anyone hasn’t yet seen it.
> 
> Ted, KN1CBR


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[Elecraft] R: K3S - K3 Noise Blanker and Noise Reductor

[glcazzola]

Sorry, but the NB doesnt work even on statics caused by rain or snow.
I really think that it doesnt work.
I tried it ON and with different settings, but no way to appreciate it.
If it work on impulse woodpeaker noise i dont care: woodpeaker doesnt exist 
now. 
But today we have other radar noises on which the K3S doesnt work.
So it seem to me useless.
Also, the noise reduction of NR is really limited, not great results using  
it...
But, please say me: on your K3 do you sometime use NB and NR? And how you 
regulated them in the menu?
Thanks
Ian IK4EWX

Invio eseguito dallo smartphone BlackBerry 10.
  Messaggio originale  
Da: Don Wilhelm
Inviato: giovedì 13 ottobre 2016 14:30
A: Gian Luca Cazzola; elecraft@mailman.qth.net
Rispondi a: donw...@embarqmail.com
Oggetto: Re: [Elecraft] K3S - K3 Noise Blanker and Noise Reductor

Ian,

A noise blanker will work best on impulse noise - such as automotive 
ignition noise or lightning spikes. It needs a fast pulse rise time to 
trigger.

A noise blanker works by punching a hole in the signal - and if the 
holes are too wide or too frequent, you will find what is left of the 
signal path to be distorted.

A noise blanker will not work on band noise or other forms of more 
constant noise. That is what Noise Reduction is for.

Noise Reduction works on correlation - the algorithm looks for what 
might be a real signal and builds a filter around it.

73,
Don W3FPR

On 10/13/2016 8:11 AM, Gian Luca Cazzola wrote:
> I am tha satisfied owner of an Elecraft K3S. I think that for a cw operator 
> (I work 99percent CW) it is a great rig, can be the absolute best on the ham 
> rigs market.
> It has only a really poor noise blanker.
> I live in a town, downtown. I have noise from residential electric lights or 
> other electrical gears. I see on my P3 panadaptor‎ noise from radar or other 
> military wide trasmission.
> On none of these noises the NB work.
> I tried different NB setting, but each, IF NB and DSP NB, none of them reduce 
> really noises.
> Only NR seem to have a limited little effective ‎ result on band noise.
> I would like your opinion about NB and NR and know from K3 es K3S owners 
> living ‎in town how they set them.
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Re: [Elecraft] K3 SWR/Tuner Utility

[NW0M]

Has anyone gotten K3 EZ to run under Windows 10?  It worked fine for me under
Windows 7 but no luck on Windows 10.  Thanks.

NWØM  Mitch



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Re: [Elecraft] Is the K3 have low sensitivity on 10 M and 6 M

[Bill W4ZV]

1.  Is your PREamp turned on for 10m?  Hopefully you don't accidentally have
RX ANT activated.  
2.  Please describe your antenna in more detail, including orientation.
3.  I've never needed a preamp on 10m in the 8 years I've had a K3, but my
antenna system has a lot of gain.

73,  Bill  W4ZV



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Re: [Elecraft] K3S - K3 Noise Blanker and Noise Reductor

[Don Wilhelm]

Ian,

A noise blanker will work best on impulse noise - such as automotive 
ignition noise or lightning spikes.  It needs a fast pulse rise time to 
trigger.


A noise blanker works by punching a hole in the signal - and if the 
holes are too wide or too frequent, you will find what is left of the 
signal path to be distorted.


A noise blanker will not work on band noise or other forms of more 
constant noise.  That is what Noise Reduction is for.


Noise Reduction works on correlation - the algorithm looks for what 
might be a real signal and builds a filter around it.


73,
Don W3FPR

On 10/13/2016 8:11 AM, Gian Luca Cazzola wrote:

I am tha satisfied owner of an Elecraft K3S. I think that for a cw operator (I 
work 99percent CW) it is a great rig, can be the absolute best on the ham rigs 
market.
It has only a really poor noise blanker.
I live in a town, downtown. I have noise from residential electric lights or 
other electrical gears. I see on my P3 panadaptor‎ noise from radar or other 
military wide trasmission.
On none of these noises the NB work.
I tried different NB setting, but each, IF NB and DSP NB, none of them reduce 
really noises.
Only NR seem to have a limited little effective ‎ result on band noise.
I would like your opinion about NB and NR and know from  K3 es K3S owners 
living ‎in town how they set them.

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[Elecraft] K3S - K3 Noise Blanker and Noise Reductor

[Gian Luca Cazzola]

I am tha satisfied owner of an Elecraft K3S. I think that for a cw operator (I 
work 99percent CW) it is a great rig, can be the absolute best on the ham rigs 
market.
It has only a really poor noise blanker.
I live in a town, downtown. I have noise from residential electric lights or 
other electrical gears. I see on my P3 panadaptor‎ noise from radar or other 
military wide trasmission.
On none of these noises the NB work. 
I tried different NB setting, but each, IF NB and DSP NB, none of them reduce 
really noises.
Only NR seem to have a limited little effective ‎ result on band noise.
I would like your opinion about NB and NR and know from  K3 es K3S owners 
living ‎in town how they set them.
Thanks
Ian, IK4EWX

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[Elecraft] Elecraft K3S NB and NR.

[glcazzola]

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Re: [Elecraft] Antenna Question

[David Aslin G3WGN]

Danny,
Glad you like them.
Maybe I need to start a ‘no barrel connectors’ group ;-)
73, David G3WGN  M6O

From: danny.higg...@keme.co.uk [mailto:danny.higg...@keme.co.uk]
Sent: 13 October 2016 09:52
To: CUTTER DAVID ; David Aslin G3WGN 
; elecraft 
Subject: RE: [Elecraft] Antenna Question

Hi David.

Thanks for the information. I ordered some compression PL259s and SO239s 
yesterday direct from Barenco, and they arrived this morning, at a fraction of 
the cost I last paid from a retail Ham supplier. They look quite chunky with 
protective caps on the end, which I would not expect from a cheap manufacturer. 
 I can at last get rid of the SO239 barrels that have given me intermittent 
problems on my long co-ax cables.

Regards,

Danny, G3XVR

From: CUTTER DAVID
Sent: 12 October 2016 09:17
To: Dave G3WGN M6O; 
elecraft
Subject: Re: [Elecraft] Antenna Question

I bought a batch of Barenco 259s amongst others and I am mightily impressed,
very chunky, very smooth and not expensive.

David, G3UNA

>
> On 11 October 2016 at 22:50 Dave G3WGN M6O 
> > wrote:
>
>
> Not oddball in EU, nor expensive. Good quality ones are available from
> Kabel-Kusch in Germany and Barenco in UK:
>
>
> http://www.barenco.co.uk/uhf-line-socket-so239-jacks-rg213-clamp-top-hat-compression-body-solder-pin-165425.
> China RF do some good ones via Fleabay too.
> We use these extensively in our 6Gs DXpeditions, together with compression
> type PL259s. A side benefit is that it's easy to terminate the coax feed
> from multiple station in female connectors (forming a 'patch panel' in
> effect) so there is zero risk of cross-coupling 2 stations.
> My own station has mostly been converted to compression types; but there
> are
> Amphenols in there too. Motivation to change? Ease of waterproofing the
> compression types.
> Just my 2 pence/2c,
> 73, David G3WGN M6O WJ6O
>
>
>
> Josh Fiden wrote
> > Cable mount female UHF is an oddball and expensive. To avoid barrels, I
> > use type N female cable mount which are common.
> >
> > 73,
> > Josh W6XU
> >
> > On 10/11/2016 3:52 AM, Nr4c wrote:
> >> Why use barrels? Doesn't Amphenol or Pastornack make a female UHF
> >> connector to put on cable end. For this specific use, a custom built
> >> cable seems appropriate.
> >
> > __
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>
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>
> > 
> lists+1215531472858-365791@.nabble
>
>
>
>
>
> --
> View this message in context:
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> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Is the K3 have low sensitivity on 10 M and 6 M

[Edward R Cole]

How old is the K3?  I bought the PR6-10 from a ham who was upgrading 
to the KXV3B.  It made my K3 (SN 4340) circa 2010 much better on 10m 
and 6m.  I even copied some 6m-eme* signals with the PR6-10 using my 
6-element yagi in August of 2015.


I now have a 6m GasFet preamp at tower top and it is a little bit 
better but only noticeably on 6m-eme.  It has a little more gain so 
my s-meter runs higher with noise, but on terrestrial contacts can't 
say its any better than the PR6-10 (which also helps 10m).  Before 
getting either preamp 10m was pretty quiet of signals (with Hygain TH3mk4).


What is interesting is my KX3 does as well or maybe slightly more 
sensitive on 6m (of course with internal preamp on).


*Note: now QRV on 6m-eme with 900w.

73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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Re: [Elecraft] Antenna Question

[danny.higgins]

Hi David.

Thanks for the information. I ordered some compression PL259s and SO239s 
yesterday direct from Barenco, and they arrived this morning, at a fraction of 
the cost I last paid from a retail Ham supplier. They look quite chunky with 
protective caps on the end, which I would not expect from a cheap manufacturer. 
 I can at last get rid of the SO239 barrels that have given me intermittent 
problems on my long co-ax cables.

Regards,

Danny, G3XVR

From: CUTTER DAVID
Sent: 12 October 2016 09:17
To: Dave G3WGN M6O; elecraft
Subject: Re: [Elecraft] Antenna Question

I bought a batch of Barenco 259s amongst others and I am mightily impressed,
very chunky, very smooth and not expensive.

David, G3UNA

> 
> On 11 October 2016 at 22:50 Dave G3WGN M6O  wrote:
> 
> 
> Not oddball in EU, nor expensive. Good quality ones are available from
> Kabel-Kusch in Germany and Barenco in UK:
> 
>
> http://www.barenco.co.uk/uhf-line-socket-so239-jacks-rg213-clamp-top-hat-compression-body-solder-pin-165425.
> China RF do some good ones via Fleabay too.
> We use these extensively in our 6Gs DXpeditions, together with compression
> type PL259s. A side benefit is that it's easy to terminate the coax feed
> from multiple station in female connectors (forming a 'patch panel' in
> effect) so there is zero risk of cross-coupling 2 stations.
> My own station has mostly been converted to compression types; but there
> are
> Amphenols in there too. Motivation to change? Ease of waterproofing the
> compression types.
> Just my 2 pence/2c,
> 73, David G3WGN M6O WJ6O
> 
> 
> 
> Josh Fiden wrote
> > Cable mount female UHF is an oddball and expensive. To avoid barrels, I
> > use type N female cable mount which are common.
> >
> > 73,
> > Josh W6XU
> >
> > On 10/11/2016 3:52 AM, Nr4c wrote:
> >> Why use barrels? Doesn't Amphenol or Pastornack make a female UHF
> >> connector to put on cable end. For this specific use, a custom built
> >> cable seems appropriate.
> >
> > __
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> > Post: mailto:
> 
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> 
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> 
> > lists+1215531472858-365791@.nabble
> 
> 
> 
> 
> 
> --
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[Elecraft] Elecraft K3S NB and NR.

[glcazzola]

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Re: [Elecraft] Is the K3 have low sensitivity on 10 M and 6 M

[Jim Brown]

I think Bill's right, but if your QTH is reasonably quiet, you DO need a 
preamp on 12, 10, and 6M for the original K3. The outboard preamp for 
the K3 solved that problem, but the new preamp that's part of the KXV3B 
module does it even better. I've upgraded my K3s to the new KXV3B, and 
am very happy.


My QTH is pretty quiet except when I point the Yagi in the direction of 
my neighbor's solar system. In those quiet directions, the preamp adds 
several dB of weak signals that I wouldn't hear without it. Before that, 
I had a ARR GasFET preamp in front of the radio I used on 6M that also 
worked on 10M, and it was at least as good as the new preamp.


So the executive summary is, "yes, the K3 doesn't hear very well on 10 
and 6 without a preamp."


73, Jim K9YC

On Wed,10/12/2016 9:49 PM, Bill Frantz wrote:
If you are hearing static, then you have enough sensitivity. It sounds 
like the problem may be a very local source of noise which is drowning 
out the signals at your QTH, while your friend is far enough away from 
that source to not be bothered by it. Try using a portable radio to 
search for the static source.


73 Bill AE6JV

On 10/12/16 at 5:46 PM, kc6...@gmail.com (KC6CNN) wrote:

I am curious why a fellow ham and I who both live within two blocks 
of each
other and have the same wire antenna, Except mine is a little higher. 
I have
the K3 and he has a Kenwood and Yaesu and he is working people on 10 
meters

while I can only hear static. The same goes for 6 meters. I think I have
worked maybe two stations on 10 meters. Those were the ones I heard. 
It the

stock K3 sensitivity that far behind the others on 10 meters?

Thanks in advance
Gerald - KC6CNN

---
Bill Frantz| I don't have high-speed  | Periwinkle
(408)356-8506  | internet. I have DSL.| 16345 Englewood Ave
www.pwpconsult.com |  | Los Gatos, CA 95032

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