Re: [Elecraft] P3 transmit monitor

[Barry N1EU]

Can you get a relative assessment of the degree of compression (speech
processing) by viewing the ssb waveform in the P3 TX monitor?

Barry N1EU

On Thu, Dec 10, 2015 at 8:30 PM, Nate Bargmann  wrote:
> * On 2015 09 Dec 08:13 -0600, Barry N1EU wrote:
>> I'd like to hear from folks who've owned the P3 transmit monitor for a
>> while.  Can you please comment on why you do (or don't) find it useful
>> in day-to-day operating?  Is it a tool you use often, just a cool toy,
>> etc ???
>
> I have noticed that I am flat topping on voice peaks which is a reminder
> that I need to turn the power down on the K3 to the ALS-600.
>
> I find the PEP wattmeter and SWR display useful.  Yes, it compressed the
> FFT and waterfall some, but it was a trade-off that is now "normal".
>
> I am satisfied with it and have it enabled at all times.  While I wish
> the TX monitor could also show an FFT of the transmission, I understand
> this is not possible.  At least this way I am able to monitor my TX
> signal at the output of the amplifier.
>
> 73, Nate N0NB
>
> --
>
> "The optimist proclaims that we live in the best of all
> possible worlds.  The pessimist fears this is true."
>
> Ham radio, Linux, bikes, and more: http://www.n0nb.us
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[Elecraft] Let me build your K2

[Alan Price]

My prices are reasonable and you will have a new K2 with the options you want.  
I don't mind winding the coils either, as a matte of fact, I kinda enjoy it.
 
73
Alan
W1HYV  
  
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Re: [Elecraft] P3 transmit monitor

[Nate Bargmann]

* On 2015 11 Dec 04:26 -0600, Barry N1EU wrote:
> Can you get a relative assessment of the degree of compression (speech
> processing) by viewing the ssb waveform in the P3 TX monitor?

The Christmas tree definitely gets more distorted on the display as the
compression is increased.  Just now as I adjust it up and down while
speaking into a dummy load the compression is quite apparent as the
control hits 13 and above with the MC-60 mic.  I typically leave COMP at
10 so it's not quite as noticeable on the display.

Sometimes on 75m I have RFI get into the MC-60 (I've done the mods which
helped but not totally eliminated it).  With the TX mon I see it right
away if I have the audio monitor turned down too low as I can hear a
motorboating sound when it happens.  It's quite apparent on the display.

Could I live without the TX monitor?  Yes.  Is it a nice station
accessory?  Yes.  Is it on a par with having a quality scope or spectrum
analyzer?  No.  Does a scope give continuous feedback on PEP forward
power and SWR?  No.  Do I plan to sell it?  No.

73, Nate N0NB

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://www.n0nb.us
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Re: [Elecraft] [KX3] Noise blanker comments

[David Anderson]

Still interested in any comments about how the KX3 noise blanker is 
implemented, and if it could be improved to make it as effective as the wide 
band RF blanker in HDSDR.

I now have the SDRPlay tracking the KX3 VFO so that in the event of static rain 
QRN I can switch to the SDRPlay for good copy when the KX3 is useless.

73 from David GM4JJJ

> On 9 Dec 2015, at 20:30,   wrote:
> 
> I use my KX3 on 144 MHz (with external transverter). 
> 
> Comments regarding the KX3 Noise blanker:
> 
> It is effective for some kinds of power line noise and ignition noise, I 
> normally leave it on at a setting of 6.
> 
> It is not effective at all with heavy rain or snow static. 
> 
> By way of comparison I have an SDRPlay dongle connected to the same 
> transverter and using the HDSDR software can enable the RF noise blanker in 
> that software and it can reduce an S9+20 rain static noise that masks all 
> signals to almost zero and allows me to decode a distant weak CW beacon that 
> is just above the noise floor. On the KX3, just S9+ noise no matter what 
> setting used on the NB.
> 
> I wonder if the DSP noise blanking could be improved in the KX3 to blank such 
> heavy static? Does the KX3 noise blanker work in the demodulated audio or the 
> RF domain?
> 
> Many thanks.
> 
> -- David GM4JJJ
> 
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[Elecraft] K3 EZ

[johnpierce]

I am new to Elecraft and have a K3s.  What are the advantages of K3 EZ?

 

 

John,  AD2F

 

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Re: [Elecraft] Antennas with resistor and OCFD.

[Jim Bolit]

The Rake



 Original message 
From: Fred Jensen 
Date: 12/10/2015 5:54 PM (GMT-10:00)
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Antennas with resistor and OCFD.


On 12/10/2015 4:14 PM, Brian D. Comer wrote:
> I think stating any particular antenna configuration is unacceptable is
> ignoring what could be an ideal antenna for a given situation.

Absolutely!  Situations differ dramatically.  A low angle radiator on 80
in the evening is likely to underwhelm you if your need is to
communicate over 150 miles.

>  As I
> understand  it  a rhombic  uses a resistor, and sometimes works quite well.

Ummm ... rhombics *always* work well for their intended use.
Unterminated, they are bi-directional.  With the terminating resistor,
they are unidirectional in the direction from the feedline to the
terminator.  Since terminated rhombics are usually 2 or more wavelengths
on a side, they have very narrow beamwidths with a big F/B ratio, low
radiation angle, and high gain.

They were used on point-to-point HF circuits in the 30's through maybe
the 60's or so.  I worked coastal marine in 56-57.  We generally used
V-beams with wider beamwidths since our targets were ships that moved
around, but we had a couple of rhombics, one aimed at NMO in Hawaii.
Tap the key at 5 KW and they told us we were QSA 11R5:-)

OCF's can serve well in the right situations and with the right
precautions to mitigate the downsides.  The infamous B&W folded dipole
was never billed as anything other than what it was ... an antenna with
a non-inductive resistance that pretty much swamped any effects from the
antenna, and could be used 3 - 30 MHz, in the right situations.

Tom Schiller, N6BT, likes to show his "illuminator", a 300 W light bulb
fed through a common mode choke.  He even put three up as a "phased
array.  Any RF in any conductor will radiate.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the Cal QSO Party 1-2 Oct 2016
- www.cqp.org

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Re: [Elecraft] K3 EZ

[Jim - KE8G]

Hi John,
It makes it very easy to adjust/tweak settings in the K3, rather than using the 
buttons on the radio itself.

73 de Jim - KE8G


 johnpierce  wrote: 
> I am new to Elecraft and have a K3s.  What are the advantages of K3 EZ?
> 
>  
> 
>  
> 
> John,  AD2F
> 
>  
> 
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[Elecraft] w4rnl (sk) and antennas

[Robert 'RC' Conley]

If you are able to locate L.B. Cebik's FDIM presentian on his TOP FIVE
MULTIBAND BACK YARD ANTENNAS this is a very good place to start when
looking at antennas. My preference has always been the vertical antenna
with a large (30in 1000' of wire) radial system. Which has netted DXCC QRP
CW (5 watts) for me.
RC KC5WA
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Re: [Elecraft] [KX3] Noise blanker comments

[Wayne Burdick]

David,

The KX3's noise blanker is implemented entirely within its DSP. Ahead of the 
DSP are the mixer and its duplexer, which have a finite bandwidth, and possibly 
the roofing filters, which have much narrower bandwidths. Because of this, 
there's no way for the DSP to gain access to wideband data for blanking 
purposes. 

While this does reduced effectiveness on some types of noise, the blanker still 
works well on most. I use it every day at my QTH on noise ranging from 
telephone-pole ESD to appliances and computer peripherals. And because the 
blanker is strictly operating within a narrow bandwidth, it cannot easily be 
"pumped" by signals well outside the IF passband.

The KX3's narrowband filtering also gives it a big advantage in blocking 
dynamic range compared to other SDRs that have nearly unlimited input 
bandwidth. For example, Sherwood measured the KX3's BDR at 138 dB, compared to 
something in the low to mid 120's for "pure" SDRs. The KX3 is also fifth on 
Sherwood's list for 2-kHz IMDDR3, again because of the narrow roofing filter.

Since the DSP controls blanking, it may be possible to implement additional 
noise blanking algorithms in the future. That is definitely on our list. If you 
send us a detailed description of the types of noise you encounter, we could 
try to duplicate them in the lab during this effort.

73,
Wayne
N6KR


On Dec 11, 2015, at 3:59 AM, David Anderson  wrote:

> Still interested in any comments about how the KX3 noise blanker is 
> implemented, and if it could be improved to make it as effective as the wide 
> band RF blanker in HDSDR.
> 
> I now have the SDRPlay tracking the KX3 VFO so that in the event of static 
> rain QRN I can switch to the SDRPlay for good copy when the KX3 is useless.
> 
> 73 from David GM4JJJ
> 
>> On 9 Dec 2015, at 20:30,   wrote:
>> 
>> I use my KX3 on 144 MHz (with external transverter). 
>> 
>> Comments regarding the KX3 Noise blanker:
>> 
>> It is effective for some kinds of power line noise and ignition noise, I 
>> normally leave it on at a setting of 6.
>> 
>> It is not effective at all with heavy rain or snow static. 
>> 
>> By way of comparison I have an SDRPlay dongle connected to the same 
>> transverter and using the HDSDR software can enable the RF noise blanker in 
>> that software and it can reduce an S9+20 rain static noise that masks all 
>> signals to almost zero and allows me to decode a distant weak CW beacon that 
>> is just above the noise floor. On the KX3, just S9+ noise no matter what 
>> setting used on the NB.
>> 
>> I wonder if the DSP noise blanking could be improved in the KX3 to blank 
>> such heavy static? Does the KX3 noise blanker work in the demodulated audio 
>> or the RF domain?
>> 
>> Many thanks.
>> 
>> -- David GM4JJJ
>> 
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Re: [Elecraft] w4rnl (sk) and antennas

[Anthony Scandurra]

You can find it here:

http://www.qsl.net/v73ns/backyardwireantennaes.pdf

73, Tony K4QE

On Fri, Dec 11, 2015 at 10:33 AM, Robert 'RC' Conley 
wrote:

> If you are able to locate L.B. Cebik's FDIM presentian on his TOP FIVE
> MULTIBAND BACK YARD ANTENNAS this is a very good place to start when
> looking at antennas. My preference has always been the vertical antenna
> with a large (30in 1000' of wire) radial system. Which has netted DXCC QRP
> CW (5 watts) for me.
> RC KC5WA
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Re: [Elecraft] K3 EZ

[Kjeld Holm]

Hi John

The K3 EZ provides user friendly access to many of the features in K3 (and I
believe in K3s) from a Windows computer. 

Band stacking, memories, equalizers, info about settings, general
configuration, RX configuration, TX configuration, AGC setup, a command
utility, scanning of a band measuring SWR every 10 kHz (as I remember) plus
setup for the K3 EZ itself. 

All very handy. It depends on your needs which of the functions you will be
using. 

Vy 73 de OZ1CCM, Kjeld


-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
johnpierce
Sent: 11. december 2015 16:01
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 EZ

I am new to Elecraft and have a K3s.  What are the advantages of K3 EZ?

 

 

John,  AD2F

 

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[Elecraft] FOR SALE: KX3/PX3/KXPA100AT

[KM4VX]

I am leaving the hobby and selling my one owner KX3 PX3 and KXPA100AT;
boredom and lousy propagation. All factory assembled and purchased in July
2015. In mint condition. Original cost was $3.094.00 plus $140.00 for KXPD3
paddle and $65.00 for two stands for KX3 and PX3. Invested $3,300 in July;
asking $2,600 shipped and insured to lower 48. Sale includes everything that
came with setup and some original packing. Always covered when not in use
and only used for CW with total of 22 QSOs.  Please reply off-line. Not
interested in splitting equipment. Price is fair and firm.
ronce...@outlook.com. 73.



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View this message in context: 
http://elecraft.365791.n2.nabble.com/FOR-SALE-KX3-PX3-KXPA100AT-tp7611362.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 EZ

[wa8cdu]

Does anyone know where it is still available? I have not been able to
locate it.

Bill

-From: "Kjeld Holm" 
To: "johnpierce"
Cc: 
Sent: Fri, 11 Dec 2015 16:54:34 +0100
Subject: Re: [Elecraft] K3 EZ

 Hi John

 The K3 EZ provides user friendly access to many of the features in K3
(and I
 believe in K3s) from a Windows computer. 

 Band stacking, memories, equalizers, info about settings, general
 configuration, RX configuration, TX configuration, AGC setup, a
command
 utility, scanning of a band measuring SWR every 10 kHz (as I
remember) plus
 setup for the K3 EZ itself. 

 All very handy. It depends on your needs which of the functions you
will be
 using. 

 Vy 73 de OZ1CCM, Kjeld

 -Original Message-
 From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
 johnpierce
 Sent: 11. december 2015 16:01
 To: elecraft@mailman.qth.net
 Subject: [Elecraft] K3 EZ

 I am new to Elecraft and have a K3s. What are the advantages of K3
EZ?

 John, AD2F

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[Elecraft] K3 EZ utility

[Jeff Schmidt]

Thanks to Mark, WB9CIF, I've got the last three releases of K3_EZ
available here:

http://files.kc9wsj.us/~jschmidt/K3_EZ/

-- 
Jeff, KC9WSJ
EN52wf

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Re: [Elecraft] w4rnl (sk) and antennas

[Jim Brown]

On Fri,12/11/2015 7:50 AM, Anthony Scandurra wrote:

You can find it here:

http://www.qsl.net/v73ns/backyardwireantennaes.pdf


Lots of great ideas here.

73, Jim K9YC
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[Elecraft] K3s subreceiver antenna not normally disconnected during transmit?

[Barry N1EU]

If I'm reading the manual correctly, the K3s subreceiver (KRX3)
antenna is NOT normally disconnected by a relay during transmit,
although there's a carrier-operated protection relay in-line.  Am I
correct in this regard?

Thanks & 73,
Barry N1EU
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Re: [Elecraft] K3 EZ utility

[Jim McDonald]

Here's another location with all three:

https://drive.google.com/folderview?id=0B-V-5Vmska0HcHlpQ01jM01zRjQ&usp=shar
ing 

The latest one has some improvements, but has a bug, which I don't remember.
The automatic SWR curve generation is very cool, and I like the ease of
testing different RX and TX EQ settings which can be saved.  I have 2005 and
2008 installed.  The file naming is interesting, as the K3 was introduced at
Visalia in 2007, I think.

The developer, W2BC, was in declining health, and I see the call has been
reassigned, so I assume he's a SK.  I corresponded with him several times,
and he was cordial and helpful.

You can save screenshots of each screen after you scan the radio for each
one.

I use a microKEYER II with my K3 but have an A/B switch to bypass the MKII
and connect the K3 directly to a serial port (actually a Gearmo USB adapter)
when using this program or the K3 Utility program.


73, Jim N7US


-Original Message-


Thanks to Mark, WB9CIF, I've got the last three releases of K3_EZ available
here:

http://files.kc9wsj.us/~jschmidt/K3_EZ/

--
Jeff, KC9WSJ
EN52wf

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Re: [Elecraft] w4rnl (sk) and antennas

[Mike Furrey]

As Jim mentions, this is a good article worth saving and it includes one of my 
favorite and often used antenna, the 20 meter EDZ - 86 feet long. I have also 
used this antenna on bands above 20 meters and on 10 it produces a nice 
clover-leaf pattern with gain. I had two of these at right angles to each other 
at a school I taught at. 

As for using it with the K3 ... I installed the internal tuner and at the 
output I attached a 4:1 balun. Some bands the K3 could not find a suitable 
match and I solved that by adjusting the length of the 450 ohm ladder line 
going to the antenna (can't remember the length). In another case I obtained a 
match by changing the length of RG8 between the K3 and the balun. In an 
apartment in FL I used the antenna in a stealth manor, 43 feet 18 gauge 
insulated green wire suspended from the limb of a tree outside my unit and 43 
feet horizontal, hid in the same big tree. It worked very nicely. (Maybe I 
should write up the antenna I used on 160 in the SP test from that apartment.)

For NAQP I built a 10 meter EDZ and suspended the entire antenna vertically and 
that also worked nicely. 
73, Mike WA5POK
 


On Friday, December 11, 2015 10:57 AM, Jim Brown 
 wrote:
 

 On Fri,12/11/2015 7:50 AM, Anthony Scandurra wrote:
> You can find it here:
>
> http://www.qsl.net/v73ns/backyardwireantennaes.pdf

Lots of great ideas here.

73, Jim K9YC
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Re: [Elecraft] [KX3] Noise blanker comments

[David Anderson]

Wayne,

Many thanks for the comprehensive reply.

Next time I encounter the static rain/snow that completely overwhelmed the KX3 
noise blanker, I will make a short wide band RF recording from the SDR and can 
send you a link to the file which may help with developing other DSP noise 
blanking algorithms.

I do agree the existing KX3 noise blanker does a great job on other types of 
pulse noises, and doesn't suffer much when used in the presence of other strong 
signals on the band. Much much better in that respect than my previous 
transceivers.

For now I am happy to use the KX3 in tandem with the wide band SDR when I need 
to blank out the rain static on 144 MHz which happens from time to time.

73 from David GM4JJJ

> On 11 Dec 2015, at 15:48, Wayne Burdick  wrote:
> 
> David,
> 
> The KX3's noise blanker is implemented entirely within its DSP. Ahead of the 
> DSP are the mixer and its duplexer, which have a finite bandwidth, and 
> possibly the roofing filters, which have much narrower bandwidths. Because of 
> this, there's no way for the DSP to gain access to wideband data for blanking 
> purposes. 
> 
> While this does reduced effectiveness on some types of noise, the blanker 
> still works well on most. I use it every day at my QTH on noise ranging from 
> telephone-pole ESD to appliances and computer peripherals. And because the 
> blanker is strictly operating within a narrow bandwidth, it cannot easily be 
> "pumped" by signals well outside the IF passband.
> 
> The KX3's narrowband filtering also gives it a big advantage in blocking 
> dynamic range compared to other SDRs that have nearly unlimited input 
> bandwidth. For example, Sherwood measured the KX3's BDR at 138 dB, compared 
> to something in the low to mid 120's for "pure" SDRs. The KX3 is also fifth 
> on Sherwood's list for 2-kHz IMDDR3, again because of the narrow roofing 
> filter.
> 
> Since the DSP controls blanking, it may be possible to implement additional 
> noise blanking algorithms in the future. That is definitely on our list. If 
> you send us a detailed description of the types of noise you encounter, we 
> could try to duplicate them in the lab during this effort.
> 
> 73,
> Wayne
> N6KR
> 
> 
>> On Dec 11, 2015, at 3:59 AM, David Anderson  wrote:
>> 
>> Still interested in any comments about how the KX3 noise blanker is 
>> implemented, and if it could be improved to make it as effective as the wide 
>> band RF blanker in HDSDR.
>> 
>> I now have the SDRPlay tracking the KX3 VFO so that in the event of static 
>> rain QRN I can switch to the SDRPlay for good copy when the KX3 is useless.
>> 
>> 73 from David GM4JJJ
> 
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[Elecraft] Manual reading

[kg9hfr...@gmail.com]

Looking forward to reading and re-reading the K3 manuals this weekend.
Also Fred Cady’s as well….

(I Promise Howard)

de KG9H
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[Elecraft] K3 sub RX off freq in SSB diversity mode

[Milt -- N5IA]

I normally don't have much to post here, but today I do have a question.

I discovered last night that I have the following situation.

When in SSB mode on 160 Meters and the 2nd RX is turned on, the SSB signals 
are on the same frequency.


When I invoke the diversity mode, the 2nd RX is receiving at 1.5 kHz higher.

I tested this on numerous signals and at various frequencies; always the 
same.


In the CW mode the problem does not exist.  In diversity mode the CW signals 
in both RXs are on the same frequency.


Anyone with an idea of what is happening here.  I do not remember this 
happening before.  RIT is off.


I did not try other bands as I normally do not operate on other bands.

I have searched the archives but have not gotten a hit on anything like 
this.


Any responses, direct or to the reflector would be appreciated.

Thanks in advance es 73 for now..

de Milt, N5IA 


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Re: [Elecraft] Hang-up on Relay Using QSK

[Al Lorona]

>This also is just another example of our strange predilection to always
>blame the K3 first, which after noting what actually was found, is most
>often just dead wrong.

>Guy K2AV


Yes. The problem almost always is not with the K3. I'd say 80% of the time it's 
the logging or computer program connected to/controlling the K3.

Another 5% of the time it's external connections -- grounds, coax connectors, 
relays, baluns, etc.

Another 5% of the time it's operator error.

Another 5% is "It's supposed to work that way."

And the remaining 5% is other factors, including the K3 itself.

Al  W6LX
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[Elecraft] Receivers?

[Scott Gillen ZL1CHM]

Can anyone compare the receivers in the KX3 versus K3 versus K2?  Is there a 
significant difference?  I am considering the KX3. 

73
Scott

N0HOK / ZL1CHM
Auckland New Zealandx

Sent from my iPhone
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Re: [Elecraft] [KX3] Noise blanker comments

[Robert Vargas-KP4Y via Elecraft]

 Hi Wayne,
Thanks for the nice info on the KX3 NB operation. How does the much lower 
opposite sideband rejection limits the effectiveness of the KX3 in a 
competitive environment? I have always imagined that everything is good as long 
as a strong signal doesn't get closer than 1 khz. Am I understanding this 
right? What would be the IMDDR3 of something like the K3 or K3S at 1 khz 
spacing? I have never had any issues with the KX3 during contest with IMD, but 
then I have small antennas; therefore, signals are not very strong.
Thanks,Robert-KP4Y/W4

On Friday, December 11, 2015 10:49 AM, Wayne Burdick  
wrote:
 

 David,

The KX3's noise blanker is implemented entirely within its DSP. Ahead of the 
DSP are the mixer and its duplexer, which have a finite bandwidth, and possibly 
the roofing filters, which have much narrower bandwidths. Because of this, 
there's no way for the DSP to gain access to wideband data for blanking 
purposes. 

While this does reduced effectiveness on some types of noise, the blanker still 
works well on most. I use it every day at my QTH on noise ranging from 
telephone-pole ESD to appliances and computer peripherals. And because the 
blanker is strictly operating within a narrow bandwidth, it cannot easily be 
"pumped" by signals well outside the IF passband.

The KX3's narrowband filtering also gives it a big advantage in blocking 
dynamic range compared to other SDRs that have nearly unlimited input 
bandwidth. For example, Sherwood measured the KX3's BDR at 138 dB, compared to 
something in the low to mid 120's for "pure" SDRs. The KX3 is also fifth on 
Sherwood's list for 2-kHz IMDDR3, again because of the narrow roofing filter.

Since the DSP controls blanking, it may be possible to implement additional 
noise blanking algorithms in the future. That is definitely on our list. If you 
send us a detailed description of the types of noise you encounter, we could 
try to duplicate them in the lab during this effort.

73,
Wayne
N6KR


On Dec 11, 2015, at 3:59 AM, David Anderson  wrote:

> Still interested in any comments about how the KX3 noise blanker is 
> implemented, and if it could be improved to make it as effective as the wide 
> band RF blanker in HDSDR.
> 
> I now have the SDRPlay tracking the KX3 VFO so that in the event of static 
> rain QRN I can switch to the SDRPlay for good copy when the KX3 is useless.
> 
> 73 from David GM4JJJ
> 
>> On 9 Dec 2015, at 20:30,   wrote:
>> 
>> I use my KX3 on 144 MHz (with external transverter). 
>> 
>> Comments regarding the KX3 Noise blanker:
>> 
>> It is effective for some kinds of power line noise and ignition noise, I 
>> normally leave it on at a setting of 6.
>> 
>> It is not effective at all with heavy rain or snow static. 
>> 
>> By way of comparison I have an SDRPlay dongle connected to the same 
>> transverter and using the HDSDR software can enable the RF noise blanker in 
>> that software and it can reduce an S9+20 rain static noise that masks all 
>> signals to almost zero and allows me to decode a distant weak CW beacon that 
>> is just above the noise floor. On the KX3, just S9+ noise no matter what 
>> setting used on the NB.
>> 
>> I wonder if the DSP noise blanking could be improved in the KX3 to blank 
>> such heavy static? Does the KX3 noise blanker work in the demodulated audio 
>> or the RF domain?
>> 
>> Many thanks.
>> 
>> -- David GM4JJJ
>> 
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[Elecraft] KX3 Notch Filter (Was Noise Blanker Comments)

[Mike Lichtman via Elecraft]

   Wayne,
   While on the subject of DSP filtering,  I have always felt that my 
notch filter on the KX3 wasn't as useful as it could be since it drops the 
volume so much compared to my other radio. Are others noticing this too? Any 
suggestions?  73 Mike KF6KXG
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Re: [Elecraft] Receivers?

[Ron D'Eau Claire]

Scott, the three rigs use different design formats:  

The K3 and K2 and conventional superhetrodyne formats with an Intermediate
Frequency in the H.F. range and crystal filters to set the passband. The K2
has an adjustable crystal filter and the K3 uses fixed crystal filter
bandwidths. The basic K2 bandwidth is established by the crystal filter
while the K3 adds an adjustable DSP filter after the crystal filter. (The K2
has an optional audio DSP for enhanced filtering.)

Although you will often see Elecraft rig owners refer to "roofing filters"
the Elecraft rigs avoid them, using an I.F. in the H.F. range instead that
avoids a lot of the compromises involved in up-converting to a first I.F. in
the VHF range with a VHF "roofing filter" to set the initial selectivity. 

The KX3 is quite different. It is a high-performance direct conversion
receiver using phasing to suppress the unwanted sideband followed by
filtering of the resulting audio.

I'm a casual, mostly QRP operator who avoids pile-ups (and so contests) and
enjoy all three. If I had to settle on one or the other I'd probably take
the KX3 as my first choice because of its small size, the "transparent"
sound of a direct conversion format and options such as the PX3 panadapter.
My second choice would be my trusty and ever dependable 15 year old K2
simply because I'm basically an "analog" sort of guy. But I have no
complaints about the K3/K3S. I'm sure others who enjoy busting "pileups"
will have more to offer about the advantages of the K3/K3S. 

For detailed test comparisons check out the results published by Sherwood
Engineering on their web site:

http://www.sherweng.com/table.html




-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Scott
Gillen ZL1CHM
Sent: Friday, December 11, 2015 1:09 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Receivers?

Can anyone compare the receivers in the KX3 versus K3 versus K2?  Is there a
significant difference?  I am considering the KX3. 

73
Scott

N0HOK / ZL1CHM
Auckland New Zealandx

Sent from my iPhone
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Re: [Elecraft] KX3 Notch Filter (Was Noise Blanker Comments)

[David Anderson]

My only complaint with the notch filter is that on SSB it is only automatic, 
and cannot be manually tuned like on CW. I find that I can get an annoying weak 
heterodyne that is too weak for the auto notch to find, and if I could tune the 
notch manually I would be able to notch it out. 

73 from David GM4JJJ

> On 11 Dec 2015, at 21:32, Mike Lichtman via Elecraft 
>  wrote:
> 
>   Wayne,
>  While on the subject of DSP filtering,  I have always felt that my 
> notch filter on the KX3 wasn't as useful as it could be since it drops the 
> volume so much compared to my other radio. Are others noticing this too? Any 
> suggestions?  73 Mike KF6KXG
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> 
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Re: [Elecraft] KX3 Notch Filter (Was Noise Blanker Comments)

[Don Wilhelm]

David,

Manual notch is available in all modes.  The auto-notch is available 
only for voice modes.

Tap NOTCH once will select auto, tap it a 2nd time to change to manual.
See page 27 of the manual.

73,
Don W3FPR

On 12/11/2015 5:12 PM, David Anderson wrote:

My only complaint with the notch filter is that on SSB it is only automatic, 
and cannot be manually tuned like on CW. I find that I can get an annoying weak 
heterodyne that is too weak for the auto notch to find, and if I could tune the 
notch manually I would be able to notch it out.




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Re: [Elecraft] Receivers?

[Phil Wheeler]

Scott,

I agree with all that Ron says -- and have the K2, 
K3 and KX3 .. and like them all.


Re "I am considering the KX3": The one caveat I 
would add, and others can expand on (or disagree 
with) this, is that if you operate in a dense ham 
environment like Field Day or with other nearby 
hams operating on the same bands the 
direct-conversion KX3 will not be as good as the 
two superhets because you may have more difficulty 
hearing weaker signals with those strong, nearby 
signals at adjacent frequencies.


In Auckland this may or may not be an issue for 
you -- but as I recall 70% or so of New Zealand's 
population is in the Auckland area.


73, Phil W7OX

On 12/11/15 1:40 PM, Ron D'Eau Claire wrote:

Scott, the three rigs use different design formats:

The K3 and K2 and conventional superhetrodyne formats with an Intermediate
Frequency in the H.F. range and crystal filters to set the passband. The K2
has an adjustable crystal filter and the K3 uses fixed crystal filter
bandwidths. The basic K2 bandwidth is established by the crystal filter
while the K3 adds an adjustable DSP filter after the crystal filter. (The K2
has an optional audio DSP for enhanced filtering.)

Although you will often see Elecraft rig owners refer to "roofing filters"
the Elecraft rigs avoid them, using an I.F. in the H.F. range instead that
avoids a lot of the compromises involved in up-converting to a first I.F. in
the VHF range with a VHF "roofing filter" to set the initial selectivity.

The KX3 is quite different. It is a high-performance direct conversion
receiver using phasing to suppress the unwanted sideband followed by
filtering of the resulting audio.

I'm a casual, mostly QRP operator who avoids pile-ups (and so contests) and
enjoy all three. If I had to settle on one or the other I'd probably take
the KX3 as my first choice because of its small size, the "transparent"
sound of a direct conversion format and options such as the PX3 panadapter.
My second choice would be my trusty and ever dependable 15 year old K2
simply because I'm basically an "analog" sort of guy. But I have no
complaints about the K3/K3S. I'm sure others who enjoy busting "pileups"
will have more to offer about the advantages of the K3/K3S.

For detailed test comparisons check out the results published by Sherwood
Engineering on their web site:

http://www.sherweng.com/table.html




-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Scott
Gillen ZL1CHM
Sent: Friday, December 11, 2015 1:09 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Receivers?

Can anyone compare the receivers in the KX3 versus K3 versus K2?  Is there a
significant difference?  I am considering the KX3.

73
Scott

N0HOK / ZL1CHM
Auckland New Zealand




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Re: [Elecraft] Receivers?

[Barry LaZar]

Phil,
I will take the given opportunity to disagree. Our Field Day 
operation uses all KX3s, QRP, That accounts for 3AB + a GOTA station. 
There have been times when we found one of our GOTA ops on the same band 
and in the same portion of the band. What we have found is that if the 
other radio is not in the same part of the band, you may not even know 
he is there.  However, you know he's there.  If he is far enough away, 
you could work through him. There is one caveat. We do have our antennas 
really spread out. Our GOTA antenna(s) can be any where from 200'-400' 
away depending on which of our many antennas are being used at the time. 
And secondly, all of our radios are using the 8 KHz offset. I was amazed 
at the demonstration the first time it happened. I would say that the 
KX3 can handle any intelligently crowed environment.


73,
Barry
K3NDM

-- Original Message --
From: "Phil Wheeler" 
To: elecraft@mailman.qth.net
Sent: 12/11/2015 6:23:11 PM
Subject: Re: [Elecraft] Receivers?


Scott,

I agree with all that Ron says -- and have the K2, K3 and KX3 .. and 
like them all.


Re "I am considering the KX3": The one caveat I would add, and others 
can expand on (or disagree with) this, is that if you operate in a 
dense ham environment like Field Day or with other nearby hams 
operating on the same bands the direct-conversion KX3 will not be as 
good as the two superhets because you may have more difficulty hearing 
weaker signals with those strong, nearby signals at adjacent 
frequencies.


In Auckland this may or may not be an issue for you -- but as I recall 
70% or so of New Zealand's population is in the Auckland area.


73, Phil W7OX

On 12/11/15 1:40 PM, Ron D'Eau Claire wrote:

Scott, the three rigs use different design formats:

The K3 and K2 and conventional superhetrodyne formats with an 
Intermediate
Frequency in the H.F. range and crystal filters to set the passband. 
The K2

has an adjustable crystal filter and the K3 uses fixed crystal filter
bandwidths. The basic K2 bandwidth is established by the crystal 
filter
while the K3 adds an adjustable DSP filter after the crystal filter. 
(The K2

has an optional audio DSP for enhanced filtering.)

Although you will often see Elecraft rig owners refer to "roofing 
filters"
the Elecraft rigs avoid them, using an I.F. in the H.F. range instead 
that
avoids a lot of the compromises involved in up-converting to a first 
I.F. in
the VHF range with a VHF "roofing filter" to set the initial 
selectivity.


The KX3 is quite different. It is a high-performance direct conversion
receiver using phasing to suppress the unwanted sideband followed by
filtering of the resulting audio.

I'm a casual, mostly QRP operator who avoids pile-ups (and so 
contests) and
enjoy all three. If I had to settle on one or the other I'd probably 
take
the KX3 as my first choice because of its small size, the 
"transparent"
sound of a direct conversion format and options such as the PX3 
panadapter.

My second choice would be my trusty and ever dependable 15 year old K2
simply because I'm basically an "analog" sort of guy. But I have no
complaints about the K3/K3S. I'm sure others who enjoy busting 
"pileups"

will have more to offer about the advantages of the K3/K3S.

For detailed test comparisons check out the results published by 
Sherwood

Engineering on their web site:

http://www.sherweng.com/table.html




-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of 
Scott

Gillen ZL1CHM
Sent: Friday, December 11, 2015 1:09 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Receivers?

Can anyone compare the receivers in the KX3 versus K3 versus K2?  Is 
there a

significant difference?  I am considering the KX3.

73
Scott

N0HOK / ZL1CHM
Auckland New Zealand




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Re: [Elecraft] Receivers?

[Barry LaZar]

Dave,
You are so correct. I didn't re-read what I wrote after I did a few 
edits.


This is what I was trying to say.  If another station is on the same 
band,  you may not know he is there if he is operating in another 
portion of the band. However, if he is in the same portion and far 
enough away, you will know he is there, but you may be able work through 
him. Hopefully, this reads better. But, remember I said we keep our 
antennas as far apart as we can and we operate QRP.


73,
Barry
K3NDM

-- Original Message --
From: "dave" 
To: "Barry LaZar" 
Sent: 12/11/2015 7:10:54 PM
Subject: Re: [Elecraft] Receivers?


Barry,

Re-read your note carefully. It doesn't make sense. You first say you 
will not know he is there, then you say you will know he is there but 
you can work through him? What does that mean?


73 de dave
ab9ca/4



On 12/11/15 5:49 PM, Barry LaZar wrote:

Phil,
 I will take the given opportunity to disagree. Our Field Day
operation uses all KX3s, QRP, That accounts for 3AB + a GOTA station.
There have been times when we found one of our GOTA ops on the same
band and in the same portion of the band. What we have found is that
if the other radio is not in the same part of the band, you may not
even know he is there.  However, you know he's there.  If he is far
enough away, you could work through him. There is one caveat. We do
have our antennas really spread out. Our GOTA antenna(s) can be any
where from 200'-400' away depending on which of our many antennas are
being used at the time. And secondly, all of our radios are using the
8 KHz offset. I was amazed at the demonstration the first time it
happened. I would say that the KX3 can handle any intelligently crowed
environment.

73,
Barry
K3NDM

-- Original Message --
From: "Phil Wheeler" 
To: elecraft@mailman.qth.net
Sent: 12/11/2015 6:23:11 PM
Subject: Re: [Elecraft] Receivers?


Scott,

I agree with all that Ron says -- and have the K2, K3 and KX3 .. and
like them all.

Re "I am considering the KX3": The one caveat I would add, and
others can expand on (or disagree with) this, is that if you operate
in a dense ham environment like Field Day or with other nearby hams
operating on the same bands the direct-conversion KX3 will not be as
good as the two superhets because you may have more difficulty
hearing weaker signals with those strong, nearby signals at adjacent
frequencies.

In Auckland this may or may not be an issue for you -- but as I
recall 70% or so of New Zealand's population is in the Auckland area.

73, Phil W7OX

On 12/11/15 1:40 PM, Ron D'Eau Claire wrote:

Scott, the three rigs use different design formats:

The K3 and K2 and conventional superhetrodyne formats with an
Intermediate
Frequency in the H.F. range and crystal filters to set the
passband. The K2
has an adjustable crystal filter and the K3 uses fixed crystal 
filter

bandwidths. The basic K2 bandwidth is established by the crystal
filter
while the K3 adds an adjustable DSP filter after the crystal
filter. (The K2
has an optional audio DSP for enhanced filtering.)

Although you will often see Elecraft rig owners refer to "roofing
filters"
the Elecraft rigs avoid them, using an I.F. in the H.F. range
instead that
avoids a lot of the compromises involved in up-converting to a
first I.F. in
the VHF range with a VHF "roofing filter" to set the initial
selectivity.

The KX3 is quite different. It is a high-performance direct 
conversion

receiver using phasing to suppress the unwanted sideband followed by
filtering of the resulting audio.

I'm a casual, mostly QRP operator who avoids pile-ups (and so
contests) and
enjoy all three. If I had to settle on one or the other I'd
probably take
the KX3 as my first choice because of its small size, the
"transparent"
sound of a direct conversion format and options such as the PX3
panadapter.
My second choice would be my trusty and ever dependable 15 year old 
K2

simply because I'm basically an "analog" sort of guy. But I have no
complaints about the K3/K3S. I'm sure others who enjoy busting
"pileups"
will have more to offer about the advantages of the K3/K3S.

For detailed test comparisons check out the results published by
Sherwood
Engineering on their web site:

http://www.sherweng.com/table.html




-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf
Of Scott
Gillen ZL1CHM
Sent: Friday, December 11, 2015 1:09 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Receivers?

Can anyone compare the receivers in the KX3 versus K3 versus K2?
Is there a
significant difference?  I am considering the KX3.

73
Scott

N0HOK / ZL1CHM
Auckland New Zealand




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Re: [Elecraft] Receivers?

[Bill Frantz]

I have both a K3 and a KX3 and have used a K2. The principle 
reason I would consider buying a K2 is for the joy of assembling 
the kit.


When I compare the KX3 and the K3, I think of the KX3 as being 
about 90% of the K3, but many options are standard on the KX3 
but extra cost on the K3. (Note that the K3S is the same as the 
K3 in these examples.) Examples include:


The digital voice recorder -- standard on the KX3. Separate 
board for the K3. Two memories on the KX3 and 4 on the K3.


Dual Watch on the KX3 is a good example of the 90%. The same 
functionality is available on the K3 with the subreceiver. The 
difference between the two receive frequencies is limited on the 
KX3 while the K3 subreceiver is a separate receiver and can 
receive on different bands. Also, the dual watch needs to have 
wide enough bandwidth to cover both frequencies which can raise 
the received noise level.


General coverage: Standard on KX3, needs additional filter board 
on K3.


High stability local oscillator: Optional board for K3. 
Calibration procedure for KX3. (I suspect the K3's solution is 
more stable.)


100W amplifer: Internal on K3. A separate unit on the KX3.

The KX3 is a heck of a good value, and portable too.

73 Bill AE6JV

On 12/12/15 at 1:09 PM, zl1...@gillen.co.nz (Scott Gillen 
ZL1CHM) wrote:


Can anyone compare the receivers in the KX3 versus K3 versus 
K2?  Is there a significant difference?  I am considering the KX3.


---
Bill Frantz| "I wish there was a knob on the TV to turn 
up the
408-356-8506   | intelligence.  There's a knob called 
"brightness", but

www.pwpconsult.com | it doesn't work. -- Gallagher

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Re: [Elecraft] K3 sub RX off freq in SSB diversity mode

[d...@lightstream.net]

Hello Milt,

I think this will occur with the original synthesizers, if you are using
dissimilar roofing filters while in diversity mode. For example, if you
have the 2.8 KHz filter installed in RX1, but the 2.7 KHz filter in RX2,
you will probably experience this (as I recall). If you can, try selecting
a bandwidth while in SSB mode where both receivers will be using the same
roofing filters (if they are installed), and see if the frequency shift
suddenly disappears.

I am not absolutely certain of the above, but I seem to remember that was
what I experienced before I upgraded to the the new synthesizers many
months ago.

73,
Dale WA8SRA


> I normally don't have much to post here, but today I do have a question.
>
> I discovered last night that I have the following situation.
>
> When in SSB mode on 160 Meters and the 2nd RX is turned on, the SSB
> signals
> are on the same frequency.
>
> When I invoke the diversity mode, the 2nd RX is receiving at 1.5 kHz
> higher.
>
> I tested this on numerous signals and at various frequencies; always the
> same.
>
> In the CW mode the problem does not exist.  In diversity mode the CW
> signals
> in both RXs are on the same frequency.
>
> Anyone with an idea of what is happening here.  I do not remember this
> happening before.  RIT is off.
>
> I did not try other bands as I normally do not operate on other bands.
>
> I have searched the archives but have not gotten a hit on anything like
> this.
>
> Any responses, direct or to the reflector would be appreciated.
>
> Thanks in advance es 73 for now..
>
> de Milt, N5IA
>
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Re: [Elecraft] WTB K2 KAF2 audio Filter

[William Meredith via Elecraft]

80 usd. shipped conus via usps
built working. removed for dsp



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[Elecraft] any ideals who might have these?

[KC6CNN]

I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2. 
I just want some type of cap that will protect it from dust. 
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice. 
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN




-
KC6CNN - Gerald
K1 # 0014
K2 # 5486
K3 # 6294
KX3 # 757
--
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Re: [Elecraft] any ideals who might have these?

[Jim McDonald]

I've used small, black vinyl caps intended for SO-239 connectors.

Jim N7US
Sent from my iPad


On Dec 11, 2015, at 11:10 PM, KC6CNN  wrote:

I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2. 
I just want some type of cap that will protect it from dust. 
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice. 
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN

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Re: [Elecraft] any ideals who might have these?

[Fred Townsend]

Hi Gerald:
I have never seen screw caps for mike connectors. Many companies use plastic
(polyethylene) push on caps for protection during shipping. I have seen them
in bulk in my shipping materials catalogs. Also at retail at OSH. I think
the brand was capsco.
73
Fred, AE6QL

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of KC6CNN
Sent: Friday, December 11, 2015 9:11 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] any ideals who might have these?

I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2. 
I just want some type of cap that will protect it from dust. 
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice. 
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN




-
KC6CNN - Gerald
K1 # 0014
K2 # 5486
K3 # 6294
KX3 # 757
--
View this message in context:
http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp76113
85.html
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Re: [Elecraft] any ideals who might have these?

[ky7k]

The mic connector is the same size as SO239 or N connectors so caps for those 
will work, just google so239 cap
72

> On Dec 11, 2015, at 10:10 PM, KC6CNN  wrote:
> 
> I am looking for a cap of some sort that will screw on the microphone
> connector on my K3 and my K2. 
> I just want some type of cap that will protect it from dust. 
> I saw a youtube video of a guy in the UK that had some type of a cap screwed
> on his and it looked nice. 
> Any ideals of where they got those or who can make them?
> Thanks
> Gerald - KC6CNN
> 
> 
> 
> 
> -
> KC6CNN - Gerald
> K1 # 0014
> K2 # 5486
> K3 # 6294
> KX3 # 757
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp7611385.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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Steve - KY7K
k...@arrl.net
Get OUT and play radio!

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Re: [Elecraft] any ideals who might have these?

[Milverton M. Swire via Elecraft]

Gerald, would this be what you are looking for?
Accessories
|   |
|   |  |   |   |   |   |   |
| AccessoriesCheck out https://www.breedlovemounts.com! Heavy duty equipment 
for the mobile amatuer radio operator Ballmounts,stud mounts,pocket 
brackets,quick disconnec... |
|  |
| View on breedlovemounts.com | Preview by Yahoo |
|  |
|   |


73 Milverton / W9MMS.
  From: KC6CNN 
 To: elecraft@mailman.qth.net 
 Sent: Friday, December 11, 2015 11:10 PM
 Subject: [Elecraft] any ideals who might have these?
   
I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2. 
I just want some type of cap that will protect it from dust. 
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice. 
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN




-
KC6CNN - Gerald
K1 # 0014
K2 # 5486
K3 # 6294
KX3 # 757
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp7611385.html
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Re: [Elecraft] any ideals who might have these?

[Gary K9GS]

I've purchased these in the flea market at Dayton before.  Tower 
Electronics I think.


On 12/11/2015 11:51 PM, ky7k wrote:

The mic connector is the same size as SO239 or N connectors so caps for those 
will work, just google so239 cap
72


On Dec 11, 2015, at 10:10 PM, KC6CNN  wrote:

I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2.
I just want some type of cap that will protect it from dust.
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice.
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN




-
KC6CNN - Gerald
K1 # 0014
K2 # 5486
K3 # 6294
KX3 # 757
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp7611385.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Steve - KY7K
k...@arrl.net
Get OUT and play radio!

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--
73,

Gary K9GS

Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com
CW Ops #1032   http://www.cwops.org



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Re: [Elecraft] any ideals who might have these?

[HankP]

DXE has them look under black vinyl caps $5.75 for 20 - K7HP


On Dec 11, 2015, at 11:10 PM, KC6CNN  wrote:

I am looking for a cap of some sort that will screw on the microphone
connector on my K3 and my K2. 
I just want some type of cap that will protect it from dust. 
I saw a youtube video of a guy in the UK that had some type of a cap screwed
on his and it looked nice. 
Any ideals of where they got those or who can make them?
Thanks
Gerald - KC6CNN

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Re: [Elecraft] any ideals who might have these?

[Gary]

Fleabay has them for so-239 from China. I bought a dozen for a couple of bucks 
with free postage. Work a treat.
Gary 

-Original Message-
From: "Gary K9GS" 
Sent: ‎12/‎12/‎2015 4:51 PM
To: "elecraft@mailman.qth.net" 
Subject: Re: [Elecraft] any ideals who might have these?

I've purchased these in the flea market at Dayton before.  Tower 
Electronics I think.

On 12/11/2015 11:51 PM, ky7k wrote:
> The mic connector is the same size as SO239 or N connectors so caps for those 
> will work, just google so239 cap
> 72
>
>> On Dec 11, 2015, at 10:10 PM, KC6CNN  wrote:
>>
>> I am looking for a cap of some sort that will screw on the microphone
>> connector on my K3 and my K2.
>> I just want some type of cap that will protect it from dust.
>> I saw a youtube video of a guy in the UK that had some type of a cap screwed
>> on his and it looked nice.
>> Any ideals of where they got those or who can make them?
>> Thanks
>> Gerald - KC6CNN
>>
>>
>>
>>
>> -
>> KC6CNN - Gerald
>> K1 # 0014
>> K2 # 5486
>> K3 # 6294
>> KX3 # 757
>> --
>> View this message in context: 
>> http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp7611385.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to k...@cox.net
> Steve - KY7K
> k...@arrl.net
> Get OUT and play radio!
>
> __
> Elecraft mailing list
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> Message delivered to garyk...@wi.rr.com
>
>
> -- 
> 73,
>
> Gary K9GS
>
> Greater Milwaukee DX Association: http://www.gmdxa.org
> Society of Midwest Contesters: http://www.w9smc.com
> CW Ops #1032   http://www.cwops.org
>
> 
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Re: [Elecraft] any ideals who might have these?

[Gary]

Oh, forgot, mine are stainless steel and look nice.
Gary 

-Original Message-
From: "Gary K9GS" 
Sent: ‎12/‎12/‎2015 4:51 PM
To: "elecraft@mailman.qth.net" 
Subject: Re: [Elecraft] any ideals who might have these?

I've purchased these in the flea market at Dayton before.  Tower 
Electronics I think.

On 12/11/2015 11:51 PM, ky7k wrote:
> The mic connector is the same size as SO239 or N connectors so caps for those 
> will work, just google so239 cap
> 72
>
>> On Dec 11, 2015, at 10:10 PM, KC6CNN  wrote:
>>
>> I am looking for a cap of some sort that will screw on the microphone
>> connector on my K3 and my K2.
>> I just want some type of cap that will protect it from dust.
>> I saw a youtube video of a guy in the UK that had some type of a cap screwed
>> on his and it looked nice.
>> Any ideals of where they got those or who can make them?
>> Thanks
>> Gerald - KC6CNN
>>
>>
>>
>>
>> -
>> KC6CNN - Gerald
>> K1 # 0014
>> K2 # 5486
>> K3 # 6294
>> KX3 # 757
>> --
>> View this message in context: 
>> http://elecraft.365791.n2.nabble.com/any-ideals-who-might-have-these-tp7611385.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
>> Elecraft mailing list
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>> Message delivered to k...@cox.net
> Steve - KY7K
> k...@arrl.net
> Get OUT and play radio!
>
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Re: [Elecraft] any ideals who might have these?

[KC6CNN]

Mike Flowers had sent me a link for some nickel plated brass covers with
silicone insulators. They were very inexpensive. 
I ordered them from the link he sent me. 
Below is the link if anyone else is interested. 
http://testparts-store.com/so-239-uhf-male-connector-protective-dust-cover/

Tnx Mike
73 all 
Gerald - KC6CNN




-
KC6CNN - Gerald
K1 # 0014
K2 # 5486
K3 # 6294
KX3 # 757
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