Re: [Elecraft] Switching RX ant between ports

[wb6rse1]

I've used a switch and a magic "T." No need for either. "Wire-Or" the AUX and 
RX IN ports together with a BNC T connector and then to the RX Antenna. Works 
just fine.

GL - Steve WB6RSE




On Mar 14, 2018, at 9:06 AM, Bill Stravinsky via Elecraft 
 wrote:

I use a 2 position switch to send the rx antenna to the AUX or RX ant in jacks. 
 Its on the wall out of the way but easily accessible.I don't even label it.  
It corresponds to the back of the K3.  Left is RX in and right is AUX.

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Re: [Elecraft] New Sub RX

[wb6rse1]

In K3 diversity mode, press and hold the REV button and tune the pile with the 
Main knob VFO A. Release the REV button and you're back to diversity RX on the 
desired signal. If you have a P3 it will give you clues on where to scan the 
pile.

GL - Steve WB6RSE



On Mar 13, 2018, at 2:57 AM, Bill W4ZV  wrote:

Bill Frantz wrote
> But now I need three receivers. Two for diversity and one to scan the
> pileup.

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Re: [Elecraft] OT: USB and LSB - How we got there

[wb6rse1]

GM3SEK, Ian White's posting here in 2008 is much more illuminating.

> https://marc.info/?l=elecraft=121161637904298=2 
> 
Steve WB6RSE



On Feb 14, 2018, at 12:08 PM, Ken G Kopp  wrote:

Here's a URL to a website with lots of information:

http://www.ac6v.com/73.htm#LSB

Or, search "BC-458 command set transmitter" and
"Central Electronics 10A" with your browser.

73!

Ken Kopp - K0PP
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[Elecraft] 2018 Visalia Top Band Dinner

[wb6rse1]

Announcing the Top Band Dinner at the 2018 Visalia International DX Convention.

Self-serve Buffet Dinner. Pre-Assigned seating. Door Prizes. $42/person. 

Program: "Overview of the N5IA 160m 8-Circle Antenna," by Lee Finkel, KY7M and 
"Top Band from Bouvet, 3YØZ" by Glenn Johnson, WØGJ. 

For the most up to date information and to register see:  
http://topbanddinner.jimdo.com/ 


73 - Steve WB6RSE
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Re: [Elecraft] Minicircuits splitter for diversity?

[wb6rse1]

On Nov 6, 2017, at 5:13 AM, Jim Miller  wrote:

I'm looking at this splitter to set up diversity for my K3s. It will only
be connected to RX paths.


No splitter necessary. Just "wire-or" the RX-IN and AUX-RF-IN together.

RX-ANT > OFF   +   SUB > HOLD to turn Diversity ON.

This assumes a second RX and a separate RX antenna.

73 - Steve WB6RSE


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Re: [Elecraft] line IN and OUT on new computer

[wb6rse1]

I've used a Griffin iMic "sound card" for years on Macs, iMacs and Mac laptops.

iMic | The original USB audio adapter by Griffin Technology 


No drivers necessary. Stereo L/R channels for dual RX audio decoding.

It works with the Mac digi mode program cocoaModem.

I recently started using WSJTX and the iMic just worked.

Inexpensive. True plug and play. Any problems have been S/W settings, not the 
I/O.

Griffin advertises PC compatibility but I've no experience with an iMic and a 
PC but I wouldn't hesitate to try it.

GL - Steve WB6RSE


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Re: [Elecraft] OT Learning Morse anew

[wb6rse1]

Farnsworth.

http://www.justlearnmorsecode.com/farnsworth.html

73 - Steve WB6RSE
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[Elecraft] Elecraft QSK

[wb6rse1]

The Elecraft KPA500 silent QSK is achieved without expensive PIN diodes but 
rather with relatively inexpensive switching diodes. I’ll guess that the 1500 
watt Elecraft prototype amp of some years ago used a similar inexpensive, 
silent design.

Avoiding QSK should be because of operator preference not because of fear of 
relay failure. In the case of operating non-QSK, it’s vital for the operator to 
keep calls short and not be caught in a cycle of doubling with the DX that’s 
heard all too often.

My Alpha 87A of 17 years or so has never had a PIN diode failure. When the 87A 
was first introduced there were indeed PIN diode failures. This was attributed 
to a bad batch (or batches?) of PIN diodes. Subsequent runs of 87A's ceased to 
exhibit PIN diode failures. Yet the urban legend persists that 87A’s should be 
avoided because of the PIN diodes - which are expensive to replace.

The real question is why amplifier manufacturers continue to use vacuum relays 
when inexpensive switching diodes can do the job. Thank you Elecraft.

73 - Steve WB6RSE
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[Elecraft] Visalia Top Band Dinner

[wb6rse1]

The 2017 Top Band Dinner at the Visalia International DX Convention will be 
held on Friday, April 21, 2017 at the Marriott Hotel immediately adjacent to 
the Visalia Convention Center.

Registration, program, menu and cost information can be found on the dinner’s 
website:

https://topbanddinner.jimdo.com 

Early registration is strongly recommended.


73 - Steve WB6RSE
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Re: [Elecraft] Computer Keyboard and P3/SCGA

[wb6rse1]

Actually you can have one bluetooth keyboard mate with 4 different devices at 
the touch of a button.

Matias Wireless Aluminum Keyboard 

GL - Steve WB6RSE



On Dec 8, 2016, at 6:31 PM, Guy Olinger K2AV  wrote:

You can only mate a device with one receiver, as you suspected. That is so
that you can have two keyboards, mice in the same area, and have them
unambiguously belong to two different PC's. Being able to do otherwise
would kill that very common commercial usage, like close-by desks. That
ain't gonna change.

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[Elecraft] 2016 Visalia Top Band Dinner

[wb6rse1]

Announcing the 2016 Top Band Dinner at the Visalia IDXC April 15, 2016.
Craig Thompson, K9CT, will present: “Top Band from Palmyra, K5P.”
There will be a self-serve buffet dinner and door prizes.
Complete details and registration information can be found at 
http://topbanddinner.jimdo.com

73! - Steve WB6RSE

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Re: [Elecraft] Mods to K3

[wb6rse1]

Getting “hosed” can be a self-inflicted wound. Early adoption of the latest and 
greatest OS always has it’s risks especially if you don’t immediately need the 
OS upgrade enhancements. Always make sure that all critical applications and 
hardware drivers you use are compatible with any new OS before upgrading. Many 
hw drivers often lag an OS release. Always make a complete system backup to 
allow reverting to an earlier OS version if disaster strikes. If the're going 
to be any problems others will have discovered them first. Then plan for sw and 
hw upgrades accordingly.

Caveat emptor.

73 - Steve WB6RSE

> 
> On Dec 5, 2015, at 3:35 PM, Joel Black  wrote:
> 
> So, if Apple (or Microsoft or any OS) decides to change the way the OS 
> operates with peripherals and manufacturers of devices won’t make a new 
> driver, you’re hosed.
> 
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Re: [Elecraft] Using PR6-10 with KPAK3AUX

[wb6rse1]

The PR6 staying on and inhibiting the use of a separate pass through RX antenna 
has come up several times. The solution is to use a DB15 M/F gender changer and 
twist off pin 11. Or if your don’t care about the future use of pin 11 in the 
cable in the ACC line to the KPA500, twist off pin 11 on the cable.

http://elecraft.365791.n2.nabble.com/KPA500-PR6-AUX-Cable-Pin-11-td7558085.html


73 - Steve WB6RSE
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Re: [Elecraft] Split Operation

[wb6rse1]

When attempting to break a pileup, the reason to use the conventional SPLIT 
mode vs implied (assuming your have the sub RX) is to have all of the RX 
controls, bandwidth, APF etc. immediately available without having to use B-SET 
first.

Steve WB6RSE

 
 On Feb 18, 2015, at 11:42 PM, Dan Maase AC6DM via Elecraft 
 elecraft@mailman.qth.net wrote:
 
 Thanks Wayne.
 
 I had been using the conventional split mode when it occurred to me, why am
 I not using what you dub implied split?  I've been doing that since and
 thought I would bring it up to the group since it has little press.
 
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Re: [Elecraft] Split operation - display of Transmit frequency on keydown

[wb6rse1]

THE simplest solution is for the op to just simply pay attention.

Steve WB6RSE
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Re: [Elecraft] K3 Beta 5r10 and LINK

[wb6rse1]

The CPU between my ears is what the L vs R phase difference processes in 
Diversity mode. I can get a somewhat similar affect using AFX (or the 
equivalent with a Heil headset that has a phase reversal switch) but 
significantly without the benefit of the phase difference of the received 
signal from two different antennas in Diversity RX.

I never use LINK. When my K3 is in LINK mode, I stare at the front panel until 
I realize it's operator error. I’ve seen this all to often when a DXpedition 
using a K3 thinks he’s split but is actually working guys on his TX frequency. 
An unfortunate bonanza for the all to eager lid police.

Steve WB6RSE



 On Feb 16, 2015, at 8:01 AM, Gary Smith g...@ka1j.com wrote:
 
 The difference at that time between Main/Diversity/LINK was 
 incredibly little but selecting through them at that time provided me 
 with a new multiplier. There is I believe an attenuation when using 
 Diversity which normally is insignificant but in rare  marginal 
 cases, hearing both signals without any attenuation can make the 
 difference.
 
 To me, the use of Diversity is almost always an improvement to 
 readability but not 100% of the time. I would never give up the use 
 of my Sub Rx, it is magnificent and invaluable to me. Sometimes LINK 
 is useful. 
 
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Re: [Elecraft] VFO problem

[wb6rse1]

The charge was $100.
“$100?” the TV owner questioned. “All you did was plug it in.”
Repairman: “That was $5. The other $95 was for knowing what to do.”

73 - Steve WB6RSE

 On Feb 14, 2015, at 9:34 AM, Ross Primrose n...@n4rp.com wrote:
 
 My grandfather (Ex K4GF, SK) was a TV repairman during the tube TV era.  The 
 most common fault requiring a house call was the housewife not plugging the 
 TV back in after she unplugged it to vacuum
 
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[Elecraft] Visalia

[wb6rse1]

A Elecraft K-Line is the grand prize at the Visalia DX Convention in April.

http://www.dxconvention.com

The annual Top Band Dinner at the convention will be on Friday, April 17, 2015. 
Details and reservation information is available here:

http://topbanddinner.jimdo.com

73 - Steve WB6RSE
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[Elecraft] KE7X KAT500 Book

[wb6rse1]

If you have a hard copy of the KE7X KAT500 Book - please contact me off list.

Thanks!

Steve WB6RSE
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Re: [Elecraft] Configuring a K3 for the PR6-10

[wb6rse1]

Re: Pin 11 problem:

http://elecraft.365791.n2.nabble.com/KPA500-PR6-AUX-Cable-Pin-11-td7558085.html

73 - Steve WB6RSE

 On Jun 15, 2014, at 11:44 AM, Mike K2MK k...@comcast.net wrote:
 
 Hi Ted,
 
 If you are using a KPA500 and a PR6 you will have to remove pin 11 from the
 cable that goes to the KPA500. It has popped up on this reflector once or
 twice but it is not mentioned in either the PR6 or the KPA500 instructions.
 If you wonder if this will work just pull the 15 pin cable off of the KPA500
 and you'll see that the PR6 works as you would expect it to work.
 
 73,
 Mike K2MK
 
 
 Dauer, Edward wrote
 I need to ask for help configuring a PR6-10 on the K3.  Installed OK,
 removed the internal jumper per instructions and am using the control line
 on a Y splitter to allow the KPA and KAT to connect to the K3 as well.
 Physically, all seems fine, and the K3, P3, KPA and KAT work just as they
 always did.
 
 Then to operate the pre-amp I configured digout1 to ³on² for 28 Mhz on the
 K3, per instructions.  OK so far.
 
 
 The PR6-10 manual says ³Tap RX ANT to enable preamplifier.²  When I do so
 the noise level goes way down and the signals disappear, as if there were
 no antenna connected to the receiver.   Removing the power plug from the
 preamp made no difference in either mode ­ RX ANT on or off.
 
 
 I recall when building the K3 that there were elections to be made about
 antenna configurations when installing the sub receiver and/or
 the KXV3.  I also remember that there are a myriad of ways the antennas
 can be routed via the configuration menus.  I have a feeling that the
 elections and internal configurations I originally made in the K3 are not
 compatible with getting the PR6-10 to work simply by pressing RX ANT, but
 I can¹t reason my way through it all.
 
 
 Ted, KN1CBR
 
 
 
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Re: [Elecraft] K3/KPA500/PR6

[wb6rse1]

A search of Nabble shows that this issue has been noted before.

http://elecraft.365791.n2.nabble.com/KPA500-PR6-AUX-Cable-Pin-11-td7558085.html

73 - Steve WB6RSE

***

When I try to hook in the PR6-10 I use the CTRL line on the PR6 connected to
Pin 11 on the K3 ACC jack. When I do this I can't cycle the PR6 or KPA500.


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[Elecraft] 2014 Visalia Top Band Dinner

[wb6rse1]

Announcing the Top Band Dinner at the 2014 Visalia DX Convention.

The dinner wiil be held on Friday April 4, 2014. Craig Thompson, K9CT, will be 
the featured speaker: A Tale of Two Islands — Wake and Amsterdam. The Low 
Bands: Results, Comparisons and Contrasts.

See this website for complete details and registration information:

 2014 VISALIA TOP BAND DINNER

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[Elecraft] 2014 Visalia Top Band Dinner

[wb6rse1]

Announcing the Top Band Dinner at the 2014 Visalia DX Convention.

The dinner wiil be held on Friday April 4, 2014. Craig Thompson, K9CT, will be 
the featured speaker: A Tale of Two Islands — Wake and Amsterdam. The Low 
Bands: Results, Comparisons and Contrasts.

See this website for complete details and registration information:

 2014 VISALIA TOP BAND DINNER

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[Elecraft] UPDATE: 2014 Visalia Top Band Dinner

[wb6rse1]

The clickable link is apprently stripped out but the server.

**

Announcing the Top Band Dinner at the 2014 Visalia DX Convention.

The dinner wiil be held on Friday April 4, 2014. Craig Thompson, K9CT, will be 
the featured speaker: A Tale of Two Islands — Wake and Amsterdam. The Low 
Bands: Results, Comparisons and Contrasts.

See this website for complete details and registration information:

topbanddinnerdotjimdodotcom
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Re: [Elecraft] K3 Splitter for Loop RX Antenna ?

[wb6rse1]

A simple BNC T connector (IE wire-or) from the RX antenna to the KXV3A RX IN 
and to the AUX IN of the SUB RX works fine. No amplification necessary. In 
diversity RX, the Main RX switches to my TX vertical and the SUB RX swicthes to 
the RX Antenna - loop, beverage etc. I had first tried a Magic-T splitter but 
found it to be unnecssary vs the T.

It's wise to use a front end protector like an Array Solutions AS-RXFEP in line 
with the RX Antenna if it's close to the TX antenna. An Preamp like a KD9SV 
BF981 can also prove useful as well as an Array Solutions W3NQN brick wall 
Broadcast Band filter if local stations overload the front end on 160.

73 - Steve WB6RSE
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Re: [Elecraft] Elecraft Hex Key

[wb6rse1]

You don't need a heavier paddle. Just museum wax on each foot. Press into 
position. Your paddle will stay put and not leave any marks if you decide to 
pry it up.

73 - Steve WB6RSE


On Aug 17, 2013, at 6:12 PM, KC6CNN wrote:

Any suggestions about tips to help me send lighter and or the number of
Elecraft hex keys made I would appreciated it. 

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[Elecraft] OT - FS 160/80m Preamp

[wb6rse1]

ICE Model 135B RX wideband preamp 1.8-4.0 MHz adjustable 20dB gain for use with 
Beverage, EWE, Flag etc. Requires 12VDC @ 50mA. $48 USPS Priority Mail. Contact 
me off list only please.

Steve WB6RSE
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Re: [Elecraft] P3 - spikes that never move

[wb6rse1]

Note that there are slight dimensional differences between 50 ohm and 75 ohm 
BNC connectors.

http://en.wikipedia.org/wiki/BNC_connector

73 - Steve WB6RSE


On Mar 1, 2013, at 8:15 AM, Dave Hachadorian wrote:

I bought this one, and it works fine:
http://www.ebay.com/itm/1x5feet-Bnc-Male-to-Bnc-Male-Patch-Cable-Video-RG-59-Coaxial-/180881244661?ssPageName=ADME:L:OC:US:3160

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[Elecraft] KPA500 Failure to turn ON

[wb6rse1]

After several attempts, my otherwise problem free KPA500 refused to turn on 
using the front panel ON button. I cycled the rear panel master power switch 
once. The front panel ON switch works again.

Connectors, relays, switches, fuses - always the things to check first.

73 - Steve WB6RSE


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[Elecraft] 2013 Visalia Top Band Dinner

[wb6rse1]

Elecraft has donated a complete K-Line as a grand prize for the upcoming 
Visalia DX Convention.

http://www.dxconvention.com

Of additional interest:

The 2013 Visalia Top Band Dinner will be held on April 19, 2013. There will be 
a buffet dinner, door prizes including a Hi-Z Antennas  Hi-Z 4 level 2 (PLUS6 
Amps) System and a special program: Les Kalmus, W2LK: ZL9HR - The Auckland and 
Campbell Island 160m Challenge. 

Cost is $40 (USD) per person. For for further details and reservations please 
see:

http://www.dxconvention.com/pages/dinners-topband.html

73 - Steve WB6RSE
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Re: [Elecraft] K3 and Alpha 87A SWR

[wb6rse1]

Alpha shipped a 6ft length of coax to use between the exciter and the 87A. With 
new tubes, the input SWR on all bands should be 1.5 or less. As the 3CX800A7s 
hours add up, the tubes gradually require more RF drive for the same output. 
Alpha recommends keeping the grid current between 20 and 50 ma. Brand new tubes 
will require between in the low 40s to high 30s (watts) at 35 ma of grid 
current for full output depending upon band.

Go ahead and use the K3 ATU inline. It's not a problem. But do watch for the 
gradually increasing drive and grid current demands of the 87A over time. If 
that means keeping the drive down as the tubes age, 1200 vs 1500 watts output 
will never be noticed.

With very heavy use, a pair of 3CX800A7s can last 10-12 years.

YMWV.

73 - Steve WB6RSE


On Aug 22, 2012, at 9:28 AM, Mike Wetzel wrote:

80 meters it is 6+ bars (about 2.5 to 1) which seems quite a  bit high. I have 
tried
other coax lengths and when 80 was ok then 10 meters was high.  

Anyone see the same thing and/or have any solutions/suggestions?

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Re: [Elecraft] K3 Suggestion - Remember Frequency per Band Mode

[wb6rse1]

On Aug 12, 2012, at 11:46 AM, M. George wrote:

Have I missed something obvious for the K3?  Is there a way to creatively
do this now?  With a macro maybe?  I tried to hunt around and see if
someone had the same question or suggestion, but maybe I'm searching for
the wrong terms.
_

Use the V  M and the M1-M4 Quick Mem buttons. EG - M1 CW, M2 Data, M3 SSB. 
You're on 20m CW and want to go to 20m SSB but want to come back to the same 
spot on 20m CW. V  M then M1 will save the CW freq (and sub RX and split 
settings etc). And V  M then M3 will do the same for the SSB freq you just 
went to. Then M  V and the M# button will easily let you toggle between 
freqs/modes. Do it a few times and you won't even think about it.

73 - Steve WB6RSE
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[Elecraft] PTØS and KX3

[wb6rse1]

George, AA7JV, is just back from a recon trip to St. Peter  Paul rocks for the 
PTØS operation coming up in November. The rigs will be K3s with a combiner of 
two SG500 amplifiers for one KW at one of the operating positions. This is the 
same scheme that George and Tomi, HA7RY, have used successfully in the Pacific.

George used a KX3 with a whip on the recon trip to determine the quietest 
location for the low band receiving antennas. You can read about it in News 
Updates here:

http://pt0s.com/news.html

Your support of the DXpedition will surely be appreciated.

73 - Steve WB6RSE
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[Elecraft] K3 in CW action from CY9M

[wb6rse1]

K3 in CW action from CY9M. Notice RX is with VFO A while VFO B is set to fixed 
TX freq. FL1 selected, likely their narrowest filter.

http://www.youtube.com/watch?v=WeBw3RAgZwUfeature=youtu.be

73 - Steve WB6RSE
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[Elecraft] KPA500 PR6 AUX Cable Pin 11

[wb6rse1]

I use the Y cable with the KPA500 AUX cable to connect the KPA500 and the PR6 
6m preamp control line to the K3. The RX passthrough for the PR6 to use RX only 
antennas doesn't work when the KPA500 is connected, powered on or off. 
Searching the reflector archives, I was relieved to find that I was not alone 
and that this problem had been identified.

The connection of the KPA500 to pin 11 changes the threshold that triggers the 
PR6 on/off relay so that the PR6 remains on (and hence no passthrough function) 
no matter what the menu setting of DIGIOUT1 on the K3.

Since the pin 11 inhibit function of the KPA500 isn't used at the moment, the 
fix is to open pin 11 in the AUX cable. Rather than damage the cable, I used 
HD15 M/M and F/F gender changers (I could not find a M/F locally) to create the 
equivalent of an HD 15 M/F gender changer. I twisted off the male pin 11 
creating a pin 11 interrupter essentially the same as the pin 10 interrupter 
Elecraft supplies with the AUX cable.

The PR6 passthrough function and the DIGIOUT1 setting now work correctly.

73 - Steve WB6RSE
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[Elecraft] Elecraft PDFs vs Mac OS

[wb6rse1]

If you are using Mac OS 10.7.3 (Lion) and the Safari browser  v5.1.5 and cannot 
see/print PDFs, you likely have a conflict with an installed Adobe PDF Reader.

Do this:

Delete/trash all copies of Adobe Reader from your Applications folder.

From HDLibraryInternet Plug-Ins delete/trash these files:

AdobePDFViewerNPAPI.plugin
AdobePDFViewer.plugin

Restart Safari. This also fixes the same problem with Firefox. Google Chrome 
works without these deletions.

You can use the Adobe Reader installer to reverse the above if you wish.

73 - Steve WB6RSE
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[Elecraft] Top Band Dinner - Visalia 2012

[wb6rse1]

Many of you may know that Elecraft has supplied eleven K3s and five KPA500 
amplifiers for the current Malpelo DXpedition.

Our Plan « HKØNA Malpelo DXpedition 2012

If you're attending the annual Visalia DX Convention, the announcement below 
may be of interest.

The Top Band Dinner at the convention this year will be on Friday, April 20, 
2012.
Buffet dinner, door prizes and Bob, K4UEE, presenting HKØNA, Top Band from 
Malpelo.
Information about attending this dinner can be found here:

News - International DX Convention

73 - Steve WB6RSE
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[Elecraft] Top Band Dinner - Visalia 2012

[wb6rse1]

I didn't realize that hot links are not posted so to repeat with link info:


Many of you may know that Elecraft has supplied eleven K3s and five KPA500 
amplifiers for the current Malpelo DXpedition.

See: HK0NA dot com and go to our plan

If you're attending the annual Visalia DX Convention, the announcement below 
may be of interest.

The Top Band Dinner at the convention this year will be on Friday, April 20, 
2012.
Buffet dinner, door prizes and Bob, K4UEE, presenting HKØNA, Top Band from 
Malpelo.
Information about attending this dinner can be found here:

See:  dxconvention dot org and go to Breaking News

73 - Steve WB6RSE
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Re: [Elecraft] P3SVGA - Coming soon

[wb6rse1]

Any recommendations for an 8-10 VGA display for use with the P3SVGA?

73 - Steve WB6RSE
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[Elecraft] K3 Diversity Macro

[wb6rse1]

This macro simplifies switching the K3 into diversity receive mode. This K3 
configuration and antennas are required:

1) KRX3 second receiver
2) KXV3A or KXV3 RF I/O module
3) The main TX antenna is used for receive along with a separate RX antenna.The 
RX antenna is connected to both the KXV3/A RX ANT input and the SUB RX AUX RF 
input via a BNC T adapter or Magic-T type 3dB splitter.
The RX antenna is the default receiving antenna - the RX ANT button's state 
shows RX highlighted on the display.

Here's the macro:

SWT13;SWT13;FT1;RT0;XT0;UPB4;DV1;SWT25;

VFO B is set to VFO A all parameters; Split TX is enabled; any RIT/XIT offsets 
are zeroed; the split frequency is set to 2 kHz up; diversity mode is enabled; 
the RX ANT is disengaged to allow the main RX to use the TX antenna for 
receive. Note SWT25; toggles the state of the RX ANT button. The macro assumes 
it's enabled before switching to diversity RX.

If you have two separate RX antennas/arrays, connect one to RX ANT and the 
other to AUX RF and remove SWT25; from the macro string.

To turn off diversity receive use this macro:

DV0;SWT25;

This OFF macro also switches the main RX back to the RX antenna from the TX 
antenna or to the dedicated RX antenna connected to RX ANT.

I set the first macro to Tap-M4 and the second to Hold-M4. This dedicates a 
single button to control diversity RX ON/OFF.

This diversity ON macro eliminates the need to hold the SUB button while the K3 
syncs VFOs and enables diversity mode.

If operating split while in diversity mode, to hear and adjust your TX split 
frequency, hold the REV button and tune with VFO A not the sub VFO B knob. 
Release to listen to the station of interest.

If you haven't tried it, the K3's diversity RX capability is a very valuable 
low band weak signal receiving tool.

73 - Steve WB6RSE


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Re: [Elecraft] K3s and P3s Can't Swim

[wb6rse1]

There was an Strays in QST MANY years ago about a Collins 75A series receiver 
that had fallen off of a dock at a port in Africa while in it's crate. (Anyone 
else recall that story?) The recipient retrieved the crate, removed all of the 
tubes, washed every corner with fresh water and let it bake in the African sun. 
Once dried and the tubes reinstalled, it worked perfectly. That was a Collins.

The K3 and P3 are different technologies of course, but you could do worse than 
to try the cleaning suggestions already mentioned since you consider the K3/P3 
a total loss anyway.

GL - Steve WB6RSE
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Re: [Elecraft] New DXCC ST0R, Southern Sudan

[wb6rse1]

Elecraft is also an advertised favorite of next February's HKØNA DXpedition to 
Malpelo.

HKØNA Malpelo DXpedition 2012

equipped with K3s and KPA500s:

Equipments  Frequencies « HKØNA Malpelo DXpedition 2012

73 - Steve WB6RSE
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Re: [Elecraft] New DXCC ST0R, Southern Sudan

[wb6rse1]

Elecraft is also an advertised favorite of next February's HKØNA DXpedition to 
Malpelo.

http://hk0na.com/

equipped with K3s and KPA500s:

http://hk0na.com/frecuencies-2/

73 - Steve WB6RSE
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Re: [Elecraft] split pileup and listening

[wb6rse1]

I recall that it was in Bob's first edition of The Complete DXer, that he 
noted that serious DXers only used separate transmitters and receivers. It was 
of course written at a time when transceivers were relatively new and wide 
splits for chasing DX required remote VFOs. Dual receive was still to come.

A few years ago I had an occasion to reminded him of his erstwhile 
pronouncement and was greeted with a knowing shrug and smile.

73 - Steve WB6RSE

On Jul 31, 2011, at 4:24 PM, Bill NY9H wrote:

one of our fellow K3 owners and an old neighbor,  Bob W9KNI wrote a 
book on working DX, In fact it is  THE BOOK' on working DX

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Re: [Elecraft] KE7X K3 Book addition for firmware 4.39

[wb6rse1]

With the Mac OS PrevIew app you can just drag and drop the addendum/errata 
pages into the PDF at the required spot.

73 - Steve WB6RSE


On Jul 18, 2011, at 3:21 PM, Bruce Beford wrote:

Thanks, Fred.

This begs the question- for those of us who purchased the PDF version, is
there any mechanism for obtaining an updated file as revisions are released?

It's easy enough to write in the margins of a paper edition, but not so with
the PDF.

73,
Bruce, N1RX


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Re: [Elecraft] K3 LCD light blocker

[wb6rse1]

Here's a simple technique:

http://elecraft.365791.n2.nabble.com/K3-Front-Panel-Light-Blockers-td3740030.html#a3740145

73 - Steve WB6RSE

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Re: [Elecraft] K3 transmit/amplifier relay

[wb6rse1]

Enter TEST mode. Adjust keyer. Leave TEST mode.

73 - Steve WB6RSE
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[Elecraft] Visalia DX Convention TOP BAND Dinner

[wb6rse1]

For those Elecraft owners who may be attending the Visalia DX Convention:


The 2011 Top Band Dinner at the Visalia DX Convention is now taking 
reservations.

WHEN: Friday, April 15, 2011 starting at 6:30 PM.

WHERE: Convention Hotel - Holiday Inn - Visalia CA.

PROGRAM: The Low Bands from VP8ORK South Orkneys.

BUFFET DINNER, NO HOST BAR and DOOR PRIZES.

COST: $37 (USD)/person.

Complete reservation information is available here:

http://www.dxconvention.org/pages/dinners-topband.html

A SELL OUT IS EXPECTED. FIRST COME, FIRST SERVED!


73! Steve WB6RSE

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[Elecraft] UPDATE: Visalia DX Convention TOP BAND Dinner

[wb6rse1]

In my earlier posting, I overlooked mentioning that in addition to Elecraft 
donating one of the VP8ORK K3s as a convention raffle prize:

http://www.dxconvention.org/pages/k3special.html

Elecraft has further extended their generosity by supporting the Top Band 
Dinner with another special prize: A P3. Yes, a P3!

http://www.dxconvention.org/pages/dinners-topband.html

Thanks Eric and Wayne!

Now what's the probability of someone winning both?

73! Steve WB6RSE

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Re: [Elecraft] K3 at VP8ORK

[wb6rse1]

And for those of you attending the Visalia DX convention, a chance to own a 
piece of VP8ORK history:

http://www.dxconvention.org/pages/k3special.html

73 - Steve WB6RSE


On Jan 31, 2011, at 12:11 PM, Dick Grolleman wrote:

Didn't someone nitice the Vp8ORK is using K3s?
here is the link with pictures


http://www.vp8o.com/vp8pictures.html

73 de Dick PA3FQA
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[Elecraft] K3 APF Effectiveness

[wb6rse1]

There are many variables at work with regard to judging the effectiveness of 
the K3 APF. In addition to the discussions of noise and careful tuning, there 
are user preferences to consider:

1) Headphones vs speakers
2) Enhancing a weak signal to pop up that would otherwise be copyable with 
adjustment of NR, NB, bandwidth/shift and/or the use of diversity RX.
3) Enhancing a truly weak signal that would otherwise be impossible to copy.

When commenting on the effectiveness of the APF, it would be useful to know 
what other of the K3's tools are in use and how they are adjusted.

73 - Steve WB6RSE
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[Elecraft] K3 APF FINE Tuning

[wb6rse1]

Elecraft continues to delight.

FINE tuning ON can be very helpful on really really weak signals with the APF.

73 - Steve WB6RSE
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Re: [Elecraft] K3 APF FINE Tuning

[wb6rse1]

Ron - I'm referring to tuning the RX to hit the peak of the APF, not the APF. 
The ability to do it .001 with FINE tuning (or .05 in the next release TBD) 
allowed me to tune to a peak a very weak 9UØA on 80m that was much more 
difficult and less effective with the tuning at .01. Especially when the target 
is on for very short transmissions. In-other-words, real world experience.

73 - Steve WB6RSE


On Nov 3, 2010, at 7:59 PM, Ron D'Eau Claire wrote:

I'm not clear on the value of changing the APF center frequency
independently of the actual signal center frequency. If the other station
drifts off-frequency, I just tune him back in with the RIT or, since I use
SPLIT as my basic operating mode, with the VFO knob. 

In what circumstances if tuning the APF frequency useful? 

Ron 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Wednesday, November 03, 2010 7:01 PM
To: wb6r...@mac.com
Cc: Elecraft Reflector
Subject: Re: [Elecraft] K3 APF FINE Tuning

Yes, you can fine-tune (1 Hz) using either the VFO or RIT.

In addition, it looks like the next release may provide 5-Hz  
increments for tuning the APF center frequency (presently 10). We're  
testing that now.

73,
Wayne
N6KR

On Nov 3, 2010, at 6:30 PM, wb6r...@mac.com wrote:

 Elecraft continues to delight.
 
 FINE tuning ON can be very helpful on really really weak signals  
 with the APF.


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Re: [Elecraft] K3 APF FINE Tuning

[wb6rse1]

I spoke too quickly. Wayne is referring to changing the AFP freq. I was 
referring to tuning the RX. Tuning one or both is aimed at getting the desired 
signal to the peak. .001 is very useful for really weak sigs. Having the shift 
control move the APF 5 hz vs 10 hz would also help in combination.

73 - Steve WB6RSE

On Nov 3, 2010, at 7:59 PM, Ron D'Eau Claire wrote:

I'm not clear on the value of changing the APF center frequency
independently of the actual signal center frequency. If the other station
drifts off-frequency, I just tune him back in with the RIT or, since I use
SPLIT as my basic operating mode, with the VFO knob. 

In what circumstances if tuning the APF frequency useful? 

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Re: [Elecraft] AFSK - K3 - SignaLink USB

[wb6rse1]

If you look at the schematic of the SignaLink, you'll see that it is redundant 
to what is already built into the K3. In addition, the K3 has a stereo audio 
out interface, facilitating the use of software for AFSK that recognizes dual 
RX for split frequency DX chasing.

http://www.tigertronics.com/sl_mods.htm

73 - Steve WB6RSE
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[Elecraft] K3 6M SWR

[wb6rse1]

Antenna: M2inc 6M5X. I'm getting much higher SWR readings from an LP100 vs the 
K3. The LP100 shows a rather flat response across several hundred kc vs a 
typical curve over the same frequency range using the K3's internal SWR meter. 
The LP100 coupler is rated to 54 MHz.

Anyone else experience this?

TU - Steve WB6RSE
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Re: [Elecraft] CW/CW-REV config option

[wb6rse1]

For DXers, the standard for CW has always been USB. IE a higher pitch tone 
means a station higher in frequency. Very useful when looking for the spot 
when the DX is split and listening up. Also standard. CW USB on the K3 is 
indeed CW REV. LSB CW, for DXing,  is considered backwards. To each his own.

73 - Steve WB6RSE


On Apr 29, 2010, at 2:58 PM, Don Wilhelm wrote:

The K3 CW tuning is the way I like it - tune to a higher frequency and 
the pitch of the note gets higher.  It just makes sense to me, and I 
hate radios that do it 'backwards'.

73,
Don W3FPR

Rich - K1HTV wrote:
 Am I the only one who prefers to tune 'Up the Band' into a CW signal rather 
 than
 from a frequency above a CW signal to receive it? Apparently not, since there 
 is
 a 'CW-REV' button on the K3 as well as on many other radios. 

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Re: [Elecraft] KPA500 AMP Frequency Coverage

[wb6rse1]

On Apr 19, 2010, at 8:34 AM, Vic K2VCO wrote:

Yes, it covers 1.8 - 54 MHz.


AND if you press the band button on the KPA500, it will also switch the band on 
the K3.

73 - Steve WB6RSE

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Re: [Elecraft] K3, sound cards and PSK31

[wb6rse1]

On Apr 5, 2010, at 9:48 AM, Joe Subich, W4TV wrote:

There is no value to the Signalink that can't be provided 
by much less expensive USB based soundcards
___

The SignaLink schematic shows the same type of isolation transformers already 
standard in the KIO3.

http://www.tigertronics.com/sl_mods.htm

73 - Steve WB6RSE

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Re: [Elecraft] K3 Firmware Production Release MCU 3.79 / DSP 2.54

[wb6rse1]

In Mac OS, I created a folder in Library  Application Support  Elecraft  K3 
Firmware and named it k3fw3r79 
Then I told the utility to browse for that folder and then Check Versions Now
All of the necessary files downloaded as if they had been created from a zip 
file except that they are labeled as documents vs Unix Executable files.
I have not attempted to load them yet.

73 - Steve WB6RSE


On Mar 18, 2010, at 10:58 AM, Adam Koczarski wrote:

The typical ZIP file isn't even there??

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Re: [Elecraft] K3 Need_Macro_Help

[wb6rse1]

There are already more than enough cops around without automating this 
behavior. I've been told up many times when split up a few hundred cycles and 
worked the guy exactly on his last listening frequency. Some cops don't know 
what a narrow filter is, let alone QSK.

IF you must do this, please try to send up only once and only when the DX 
isn't transmitting.

Be careful what you wish for.

73 - Steve WB6RSE


On Mar 12, 2010, at 7:52 AM, Ken Roberson wrote:

Hello all,

I would like a macro to program into M3 memory
that would take the K3 out of split mode , then
send ( UP ) in CW and return to split mode.
Would appreciate any help.

Thanks 73 Ken K5DNL

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[Elecraft] OT FS FT1KD

[wb6rse1]

FOR SALE: FT1000D with all filters, DVS2 etc. Please contact me off list if 
interested.

73 - Steve WB6RSE
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Re: [Elecraft] K3 Data mode power creep

[wb6rse1]

On Dec 24, 2009, at 10:17 AM, Steve Ellington wrote:

When using DATA A with an external sound card the RF power creeps  
upward. I
start out with 20 watts and after a minute or so I look and my power  
is at
100 watts. I quickly turn down the line input either at the K3 or sound
card.
_

I had not noticed this but do now that I've looked. First time on DATA  
A, the power starts in the 25 watt region and goes to my preset 50  
watts or so (set to drive an amp) within just a few seconds. After  
that, the power level seems to have been learned. If I switch to  
another mode and then back to DATA A, the power adjustment repeats.  
This happens at lower and saturated ALC levels. My normal is set for  
a 4-5 ALC flicker. My power out settings are by band (PWR SET = PER- 
BAND).

This is with Mac OS 10.5 and an iMic USB I/O.

So it appears to be a K3 feature vs otherwise correctly adjusted  
computer/software.

73! Steve WB6RSE
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Re: [Elecraft] A/B diversity switch

[wb6rse1]

On Dec 10, 2009, at 1:49 PM, K2MK wrote:

If you see the decimal point blinking you ARE in diversity


Also - IF you HOLD the RX ANT button you can toggle the input to the  
second RX.

73! Steve WB6RSE
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Re: [Elecraft] K3: CW feature request

[wb6rse1]

LSB on the lower bands and USB on the higher bands is an artifact of  
the mixing scheme, from the early days of SSB, of a 9 Mc IF mixed with  
a 5.0 - 5.5 Mc VFO. (Yes, it was Mc in those days, not MHz.) Add and  
you get 20m. Subtract and you get 80m. The subtraction results in  
sideband reversal and so LSB became the standard for 80m. There is  
really no reason now to not to just operate USB on all bands other  
than tradition.

On CW, the standard among CW DXers has always been USB CW because it  
means that the higher the tone, the higher the frequency. Intuitively  
useful when tuning a split pile up. Just as clockwise rotation of the  
VFO knob means higher frequency.

I operate USB on RTTY for that same reason, even though the standard  
is LSB. The stations I work on RTTY don't know that I'm USB.

It is curious that normal CW for the K3 is LSB. I'm sure Elecraft had  
their reasons. My K3 is always in CW REV mode.

73! Steve WB6RSE
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[Elecraft] Elecraft K3 now @ TX3A Chesterfield

[wb6rse1]

http://tx3a.com/index.php?page=photoshot=160mReceiving

73! Steve WB6RSE
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Re: [Elecraft] K3 SSB-CW feature fails

[wb6rse1]

On Nov 7, 2009, at 10:25 AM, Rick Tavan N6XI wrote:

You want +CW. Note that you must use the
internal keyer via the PADDLE jack, not external keying via the KEY  
jack.
__

Works here with an external keyer and on VFO A. Does not work if SPLIT  
but that's not a likely scenario.

73 - Steve WB6RSE
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Re: [Elecraft] Flaw in the 1.8 kHz roofing filter - Final for 2009

[wb6rse1]

On Oct 19, 2009, at 11:12 AM, Robert Wood wrote:

The hamfest story below is great salesman hand waving - no numbers, no
reposted test results
To claim the problem is fixed implies that there are test results
or to state another way, to claim the problem is fixed without posting  
test
results is questionable

_

If Elecraft is guilty of anything, it's complete transparency.

73 - Steve WB6RSE
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Re: [Elecraft] Split reminder

[wb6rse1]

On Oct 19, 2009, at 11:49 AM, vidi wrote:

How about, in addition to the TX arrow pointing to B,  also
flash the [B] VFO sign at say 2/sec to show and remind  that 'split'  is
active.
___

There is already an indicator. It's the yellow delta f light below the  
power button. If it's on, your TX freq is split. You just have to get  
use to looking for it.

73 - Steve WB6RSE
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Re: [Elecraft] Split operation

[wb6rse1]

When an operation advertises its operating frequencies in advance, as  
K4M has, it's simple to set up band memories in advance that include  
mode, SUB on and selected for TX split up.

Chance favors those who are prepared.

73 - Steve WB6RSE
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Re: [Elecraft] Spotting DX

[wb6rse1]

With diversity RX on the K3 - IE VFOs synched, you can also operate  
split. HOLD SPLIT to enable TX on VFO B. Then HOLD REV and use VFO A  
to listen and tune to the split TX frequency. Release REV and  
diversity RX is restored.

A very elegant implementation by designers who must also be actual  
operators!

73 - Steve WB6RSE
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Re: [Elecraft] K3 No Sub Audio In Right Speaker

[wb6rse1]

On Oct 1, 2009, at 1:49 PM, Bud Governale, W3LL wrote:

How can I have the sub receiver audio play from the right speaker  
along with the main receiver playing in the left
speaker?
___

Turn on the 2nd RX w/ SUB button, A  B button,  and HOLD SUB to Sync  
the 2 VFOs. You will have the same audio out in LR channels from LIN  
OUT.

73 - Steve WB6RSE
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Re: [Elecraft] K3 and Split

[wb6rse1]

On Sep 30, 2009, at 9:31 AM, Chris Page wrote:

Does anyone know of a way to enable the K3 so that when you change
bands, it stays in split mode?


CONFIG  SPLT SV  YES

Save in memory per band.

73 - Steve WB6RSE
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Re: [Elecraft] K3 Front Panel Light Blockers

[wb6rse1]

On Sep 29, 2009, at 6:10 PM, Roy Morris wrote:

I am going to try to correct this again, but because it requires so  
much disassembly I would like to know if anyone else has had
this trouble and what was done to correct it.


With POWER OFF - I used a straight pin, the kind that comes with dress  
shirts, to nudge the light blocker material through the space to the  
left of the A/B, REV and AB buttons. This worked easily in seconds  
without any disassembly. Work gradually and carefully. This method is  
my own invention and was NOT suggested nor recommended by Elecraft.

YMMV.

73 - Steve WB6RSE
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Re: [Elecraft] K3 Front Panel Light Blockers

[wb6rse1]

On Sep 29, 2009, at 6:10 PM, Roy Morris wrote:

I am going to try to correct this again, but because it requires so  
much disassembly I would like to know if anyone else has had
this trouble and what was done to correct it.


With POWER OFF - I used a straight pin, the kind that comes with dress  
shirts, to nudge the light blocker material through the space to the  
left of the A/B, REV and AB buttons. This worked easily in seconds  
without any disassembly. Work gradually and carefully. This method is  
my own invention and was NOT suggested nor recommended by Elecraft.

YMMV.

73 - Steve WB6RSE

*

Make that the A/B, PRE, and NB buttons.
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Re: [Elecraft] Firmware Ver 3.30

[wb6rse1]

On Sep 27, 2009, at 10:40 AM, K5WA wrote:

You do not need to worry about having 3.30 on your K3.
__

My K3 shipped with 3.25 about a month ago. I had one or two noise  
burst incidents and moved to 3.3 even though I had not intended to  
change FW unless it was a production release.

No noise bursts with 3.3. Then I started to experiment with AGC SLP  
and THR. And I experienced a noise burst. The good news is that a  
power cycle puts you right back where you were in seconds. I changed  
the AGC SLP back to the default value of 12 and I have not had another  
noise burst.

YMMV

If you experience a noise burst, send the specifics to Lyle per his  
posting of Sept 7. near the bottom of this page:

http://n2.nabble.com/MCU-3-30-DSP-2-26-td3595335.html#a3598081

73 - Steve WB6RSE
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[Elecraft] FW 3.30

[wb6rse1]

K5WA wrote:

You do not need to worry about having 3.30 on your K3.
__

My K3 shipped with 3.25 about a month ago. I had one or two noise  
burst incidents and moved to 3.3 even though I had not intended to  
change FW unless it was a production release.

No noise bursts with 3.3. Then I started to experiment with AGC SLP  
and THR. And I experienced a noise burst. The good news is that a  
power cycle puts you right back where you were in seconds. I changed  
the AGC SLP back to the default value of 12 and I have not had another  
noise burst.

YMMV

If you experience a noise burst, send the specifics to Lyle per his  
posting of Sept 7.

73 - Steve WB6RSE
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[Elecraft] K3 Diversity RX

[wb6rse1]

My K3 includes the KRX3, KAT3  KXV3A.

On 160m and 80m, I use a shunt fed tower for TX/RX and a separate RX  
loop that goes through an RF limiter and external preamp to RX ANT IN.  
For Diversity RX, the loop has to be connected to AUX RF but it's then  
not available to the Main RX. In order to have the flexibility to use  
the RX loop with either the Main RX or the Sub RX for diversity, I  
built a switch box to route the loop to either RX ANT IN or AUX RF. A  
HOLD of the K3's RX ANT button toggles the antenna input to the Sub RX  
to the correct BNC.

I considered using ANT2 on the KAT3 but it wasn't obvious that I could  
achieve the same flexibility. Other solutions to allow the RX loop to  
be available for both the Main RX or the Sub RX in diversity mode?

My tower and RX loop are very close. The RF limiter protects the RX  
front ends from QRO. Caution! Your situation may be different.

While in diversity RX you can operate split and also check your TX  
frequency with the REV button. Then use VFO A to find your spot. A  
very elegant design feature!

73 - Steve WB6RSE
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[Elecraft] K3 LIN OUT Behavior

[wb6rse1]

Stereo cable connected to LIN OUT which is set to NOR. SUB RX off.  
Audio is only in the Main/Left channel. Turn SUB on and then audio is  
present on the right channel.

Set LIN OUT to =PHONES and audio is present at LIN OUT on both  
channels and the right channel switches when the SUB RX is toggled. In  
this case, the FP AF control must be used to adjust gain.

Question: I have not found the answer in the manual - yet. Is there a  
way to have LIN OUT set to NORM and have audio in both channels even  
if the SUB RX is off but have the SUB RX audio in the right channel as  
with the =PHONES setting?

TU - Steve WB6RSE
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Re: [Elecraft] K3 Switching Power Supply

[wb6rse1]

It would be useful for those who use switching power supplies to  
mention on what band(s) they've noted no switching noise with their  
particular choice.

73 - Steve WB6RSE
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