[Elecraft] K2 dual receive!

2008-08-02 Thread Dave G4AON
With all the talk about the K3 and it's 2nd receiver, maybe those with a 
K2 are feeling left out? It's cheap and easy to adapt a K2 to provide a 
buffered output for a second receiver, a muting circuit is also needed 
for the 2nd receiver. While not as elegant as a K3 with an internal 2nd 
receiver, it's a simple weekend project that doesn't require hole 
drilling or any modification to the K2 that is non reversible.


Details at: http://www.astromag.co.uk/pdfs/K2externalRX.pdf

73 Dave, G4AON
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[Elecraft] [K3] : K3 zero beating

2008-08-02 Thread Raymond METZGER
Hi Werner,

My understanding is that the XG2 is not a precision tool and you should
therefore not try to align your K3 by zero-beating it with the XG2.
Try doing it with WWV (or RWM in Europe).  I think I also very saw recently
an interesting zero-beating procedure using Spectrogram explained by Don,
W3FPR on the Reflector.

73 de Raymond, F4FNT
K3/100 # 615, K2/100 # 5,636



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[Elecraft] K3 Speaker Resonance (Top Cover)

2008-08-02 Thread Bob DeHaney
Go to your local computer components shop, they have sound and resonance
dampening mats with a sticky side that is exactly the solution.  Put part
onto your K3, the rest in your computer if it's not a laptop ;)

Vy 73, Bob DJ0MBC/WU5T



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[Elecraft] K2 SSB Problem

2008-08-02 Thread M L Hooper
I just finished constructing the KSB2 Adapter and have installed the unit and 
am at the alignment stage (P-19 of the manual).  

The Course Carrier Balance Adjustment went fine.  

When I plug in the microphone and try the fine Carrier Balance Adjustment the 
unit begins to transmit at full output (10W plus) and continues to do so until 
I unkey the mic.  It makes no difference if the power is set to minimum instead 
of 5W or whether LSB or USB. 

Any suggestions will be appreciated.

Lee Hooper
KG5VU
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[Elecraft] Re: K3 - COM port iterating ...

2008-08-02 Thread Dave G4AON
On my XP laptop I run two USB to serial adapters. I took the precaution 
of buying two of the same type as Windows tries to install a driver 
every time you plug one in a port that hasn't had one plugged in 
previously... Using just one type means less hassle setting it all up. 
I've labelled my all USB ports as Comm 4, Comm 2, etc. and they 
always seem to use the same port number, mostly I plug in an adapter 
after Windows is up and running. I run a logging program on one port and 
a GPRS phone for DX Cluster access on the other. I use the laptop out 
portable and it all seems to work fine. Maybe Vista is more fussy but I 
thought it was supposed to be an improvement over XP?


73 Dave, G4AON
K3/100 #80
-
I wonder if there's a way to tell this thing to be the same COM port
each time I plug it in? My computer is a fairly new Dell laptop running
Vista. As recommended, I let Vista go out and find the best driver for
it on the web.

73--Nick, WA5BDU
#1195
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[Elecraft] K3 QSY using mic jack

2008-08-02 Thread Tony - KM0O

I'd like to build a little QSY switch box that will sit on the table next to
my keyboard. My question is: exactly what do pins 3 and 4 of the mic jack
need to see in order to perform their function? I think it is more than
just a simple closure to ground, but I'm not finding the info anywhere. Can
anyone help?

Thanks,
Tony / KM0O
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[Elecraft] K3: ESSB Initial Observations

2008-08-02 Thread David and Dianne on Comcast

Hi Everyone,

My preliminary opinion on the K3 ESSB Beta Version is excellent.

V2.23 installed here with no funnies. Config was a snap.

My first Q's last night were on 75m with a round table of G stations in 
England and Wales.  All reported to me that I had fantastic audio 
without knowing first what I was running here.


Then we did an a/b with ESSB at 3.6 KHz  and stock SSB at 2.8 KHz and 
all reported that ESSB was more pronounced and punchy than with the 2.8 
KHz bandwidth but also smoother.  I can hear the difference in the 
monitor as well. It is very smooth and full without being too bassy.


I am running a Heil BM-10ic electret condenser mic element with MIC = 40 
and COMP = 16.  Tonight I'll hook up my Heil 781 and give it a workout.


Wayne told me that the ESSB TX EQ (TX*EQ) will be a feature coming along 
later on, so for the time being there is only one TX EQ for SSB transmit 
whether normal SSB or ESSB.


The K3 never fails to amaze me. With ESSB already in Rx and now Tx it 
has just become an incredible SSB radio. Get the 6 KHz filter and give 
it a try.


73 de N1LQ-Dave
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[Elecraft] K3 ESSB Beta Test

2008-08-02 Thread Gary Gregory
Hi All,

I have been testing ESSB over the lasy 24 hours and audio reports so far are
brilliant.

Please remember to watch your Tx bandwidth so that you minimise the
possibility of producing spurious emissions.

Enjoy

Well done again Aptos...-:)

Gary
K3/100 #679
VK4WT

-- 
Stokers...we get ya goin'
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[Elecraft] Re: K3 QSY using mic jack

2008-08-02 Thread Dave G4AON
I've just checked my Kenwood MC-43S which I use with my K3 - the UP 
and DWN buttons ground pins 3 and 4 when pressed.


73 Dave, G4AON
K3/100 #80


I'd like to build a little QSY switch box that will sit on the table next to
my keyboard. My question is: exactly what do pins 3 and 4 of the mic jack
need to see in order to perform their function? I think it is more than
just a simple closure to ground, but I'm not finding the info anywhere. Can
anyone help?

Thanks,
Tony / KM0O
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Re: [Elecraft] K3 Speaker Resonance (Top Cover)

2008-08-02 Thread Jim Miller
Is this the vibration problem as I understand between the speaker and the
cover it is mounted to?  Is the mat then placed between the speaker and the
cover?

Tnx es 73, de Jim KG0KP

- Original Message - 
From: Bob DeHaney [EMAIL PROTECTED]
To: elecraft@mailman.qth.net
Sent: Saturday, August 02, 2008 5:13 AM
Subject: [Elecraft] K3 Speaker Resonance (Top Cover)


 Go to your local computer components shop, they have sound and resonance
 dampening mats with a sticky side that is exactly the solution.  Put part
 onto your K3, the rest in your computer if it's not a laptop ;)

 Vy 73, Bob DJ0MBC/WU5T



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Re: [Elecraft] K3 ( or K2 ) with a Kenwood SM230 station monitor

2008-08-02 Thread Timothy Raymer
Keith,

I know Tom, N0SS, has has an SM-230 in line for quite some time.  Far predates 
his K2, but is a useful tool.  Especially useful if you are also making your 
electrons taller with an Amplifier.

The SM-230 lets you monitor your output in a Voltage vs. time domain:  It is a 
specialized Oscilloscope.  The Kx is pretty good about not making ugly 
electrons, but the amplifier you drive over the edge could.

The other thing I remember about the SM-230 and Tom's station is that it 
induced some strange SWR issues by the time we got up to 28Mhz.  Combination of 
lengths of coax, impedance of the unit itself, and a few other oddities caused 
a bit of a problem for a contest a few years ago.  Just keep in mind when you 
put it in line you may need to shorten or lengthen the coax runs a bit to get 
things happy.

Good luck, and enjoy the SM-230.

Tim Raymer
73 de KA0OUV


 Keith Bainbridge [EMAIL PROTECTED] 07/26/2008 08:31 
Does anyone have experience using the if output of the K3 into a Kenwood 
SM 230 station monitor please ?
Or using a K2 in the same scenario?
Its just that I have the chance to acquire one at a good price and as I 
have the LP Pan from Larry I was wondering if the SM 230 would be a 
useful asset for either of my K2's or my K3.
Thanks guys
73
Keith

-- 
Keith
VK6XH / VK6DXR
Chairman WIA VK6 Advisory Committee.
Northern Corridor Radio Group Inc VK6ANC
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[Elecraft] K3 FPF Load failed

2008-08-02 Thread Julian, G4ILO

It has been about 3 weeks since I last switched on my K3 and when I did so
just now, VFO A said FPF Load and VFO B said Pending. It was working OK
when I last switched it off.

I decided that the best thing to do would be to load the latest beta
firmware, which was what I was going to do anyway, but the K3 Utility
reported:

Sending firmware file hfpf0002.hex to FPF
21:40:28 Send FPF firmware failed at load address x7b1f
21:40:28 FPF program load failed
21:40:28 Ready

The receiver appears to be working and I can tune the VFO, although I have
no idea where I am as the VFO display just reads FPF Load / Pending.

While typing this I managed to clear the problem by pressing Band Down until
I got to the lower bands, when I saw that frequencies were appearing again.
When I press Band Up frequencies are now appearing, but when I move up to
21MHz or any higher band VFO B briefly displays ERR PL1 before showing the
frequency.

Having got to this point, I tried to upload the firmware again and this time
it appears to have been successful. So what went wrong? The previous
firmware was, I think, 2.13 beta. All seems OK now but it was a scary moment
that I could have done without.

-
Julian, G4ILO
http://www.g4ilo.com/ G4ILO's Shack 
http://www.ham-directory.com/ Ham Directory 
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[Elecraft] K3 tx gain adjust

2008-08-02 Thread DeniseWerner
Hope you guy's have an idea.
 
I am having trouble with the tx gain section.
I have the 2.7k filter in FL1 slot and the 400 hz in the FL2 slot.
 
  FL1  FL2
 
BW 2.70 0 .40
 
FRQ  -.860.00
 
FLtx   ON
 
ONYES YES   
 
I am on 160 to a known good dummy load, ATU bypassed, set to 5 watts, press
and hold TUNE and tx lights up but no indication of power.
Error message is ERR TXG.
 
Receiver sounds great, starting to think it's me.
 
Thanks for any help.
 
 
Werner  N8BB
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Re: [Elecraft] K3 FPF Load failed

2008-08-02 Thread Don Wilhelm

Julian,

This was an intermittent problem experienced by a few K3 owners.  It was 
fixed in version 2.22 - see the firmware release notes.


73,
Don W3FPR

Julian, G4ILO wrote:

It has been about 3 weeks since I last switched on my K3 and when I did so
just now, VFO A said FPF Load and VFO B said Pending. It was working OK
when I last switched it off.

I decided that the best thing to do would be to load the latest beta
firmware, which was what I was going to do anyway, but the K3 Utility
reported:

Sending firmware file hfpf0002.hex to FPF
21:40:28 Send FPF firmware failed at load address x7b1f
21:40:28 FPF program load failed
21:40:28 Ready

The receiver appears to be working and I can tune the VFO, although I have
no idea where I am as the VFO display just reads FPF Load / Pending.

While typing this I managed to clear the problem by pressing Band Down until
I got to the lower bands, when I saw that frequencies were appearing again.
When I press Band Up frequencies are now appearing, but when I move up to
21MHz or any higher band VFO B briefly displays ERR PL1 before showing the
frequency.

Having got to this point, I tried to upload the firmware again and this time
it appears to have been successful. So what went wrong? The previous
firmware was, I think, 2.13 beta. All seems OK now but it was a scary moment
that I could have done without.

  

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Re: [Elecraft] K3 FPF Load failed

2008-08-02 Thread Don Wilhelm

Deni,

Yes, do not panic!  Go the the manual and read the section on firmware 
download, especially the part on Forcing a Fir,ware Download.


73,
Don W3FPR

Deni F5VJC wrote:

Yes scary indeed!

I have never yet had a download fail, Beta or otherwise, but, I always hold
my breath until I have a working K3 again!

I dread the day this does fail and I have a dumb black box on my hands.

Is there a quick route out of of this nightmare scenario?

I have seen written  Dont Panic but what exactly is the recommended
procedure when a new download screws your superbly honed K3?
  


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Re: [Elecraft] K3 FPF Load failed

2008-08-02 Thread Barry N1EU



Don Wilhelm wrote:
 
 This was an intermittent problem experienced by a few K3 owners.  It was 
 fixed in version 2.22 - see the firmware release notes.
 
I just saw this once today with 2.23 - power cycling the K3 clears it.

73,
Barry N1EU

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[Elecraft] K3 FPF Load failed

2008-08-02 Thread Don Rasmussen
 Is there a quick route out of of this nightmare
scenario?

May I suggest [EMAIL PROTECTED]

No matter whether your problem is existing, new, or
recently corrected, there is a staff of people
available (in my experience 24/7) to bring you or
anyone else out of an unhappy place.

In my experience, for as seldom as this type of
problem happens and as much individual (FREE) support
there is waiting - updating the K3 has a low emotional
risk. 

Would I do it on the Friday night before a contest,
neh, probably going to wait until Monday to reduce the
exposure to PC problems. YMMV.




[Elecraft] K3 FPF Load failed
Deni F5VJC foxfive.vjc at gmail.com 
Sat Aug 2 17:46:50 EDT 2008 

Previous message: [Elecraft] K3 FPF Load failed 
Next message: [Elecraft] K3 FPF Load failed 
Messages sorted by: [ date ] [ thread ] [ subject ] [
author ] 


Yes scary indeed!

I have never yet had a download fail, Beta or
otherwise, but, I always hold
my breath until I have a working K3 again!

I dread the day this does fail and I have a dumb black
box on my hands.

Is there a quick route out of of this nightmare
scenario?

I have seen written  Dont Panic but what exactly is
the recommended
procedure when a new download screws your superbly
honed K3?

73, Deni
F5VJC


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RE: [Elecraft] K3 FPF Load failed

2008-08-02 Thread Dick Dievendorff
The quick route is to retry the firmware load.  If it fails hard, you most
probably have a communications cabling problem.  In all my testing of the K3
Utility (and I've tried really hard to duplicate nightmare scenarios) I've
never been in a situation where a complete firmware reload wouldn't solve
the problem.  Sometimes I have been testing a marginal USB to Serial Adapter
that just didn't work out, but replacing the cable with a good one has
always been enough.

The K3 MCU bootstrap code is protected from mischief and power failures at
inconvenient times.  Any individual load might fail, but retrying it should
cure the problem.

Dick, K6KR



-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Deni F5VJC
Sent: Saturday, August 02, 2008 2:47 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 FPF Load failed


Yes scary indeed!

I have never yet had a download fail, Beta or otherwise, but, I always hold
my breath until I have a working K3 again!

I dread the day this does fail and I have a dumb black box on my hands.

Is there a quick route out of of this nightmare scenario?

I have seen written  Dont Panic but what exactly is the recommended
procedure when a new download screws your superbly honed K3?

73, Deni
F5VJC





Julian, G4ILO wrote:
 
 It has been about 3 weeks since I last switched on my K3 and when I did so
 just now, VFO A said FPF Load and VFO B said Pending. It was working
 OK when I last switched it off.
 
 I decided that the best thing to do would be to load the latest beta
 firmware, which was what I was going to do anyway, but the K3 Utility
 reported:
 
 Sending firmware file hfpf0002.hex to FPF
 21:40:28 Send FPF firmware failed at load address x7b1f
 21:40:28 FPF program load failed
 21:40:28 Ready
 
 The receiver appears to be working and I can tune the VFO, although I have
 no idea where I am as the VFO display just reads FPF Load / Pending.
 
 While typing this I managed to clear the problem by pressing Band Down
 until I got to the lower bands, when I saw that frequencies were appearing
 again. When I press Band Up frequencies are now appearing, but when I move
 up to 21MHz or any higher band VFO B briefly displays ERR PL1 before
 showing the frequency.
 
 Having got to this point, I tried to upload the firmware again and this
 time it appears to have been successful. So what went wrong? The previous
 firmware was, I think, 2.13 beta. All seems OK now but it was a scary
 moment that I could have done without.
 

-- 
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http://n2.nabble.com/K3-FPF-Load-failed-tp666390p666430.html
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Re: [Elecraft] ESSB Works Well

2008-08-02 Thread LANCE COLLISTER

Don Rasmussen wrote:
 Downloaded 2.23 here and setup for ESSB. Not a glitch,
 as usual. At 3.0khz as compared to conventional SSB at
 2.4 or 2.7khz it does not seem to be a new mode worthy
 of a different name, but the audio sounds much fuller,
 much more human.
 
 I had a headset connected to my Corsair II which has a
 2.8 filter and did some comparisons.
 
 Where the two microphones I have sounded very similar
 before, and the TX equalization made only a nominal
 difference, using the essb setting there is a
 pronounced difference between the D104 and the Shure
 444. And the TX EQ settings now seem almost
 hypercritical. 
 
 Changing one EQ band EQ by one number can make a very
 significant difference.
 
 We are not waiting anymore for firmware features here,
 absolutely 100% happy with the radio.
 
 But never cease to be impressed when something new and
 interesting like this show up at the doorstep for K3.
 Very nice. 
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I am very curious about this ESSB modeI am getting my K3 in a few weeks, 
and 
wonder what it sounds like with a normal SSB receiver using something like 2.8 
KHz 
filter.  Does it sound better/worse/distorted?  Or can you hear no difference 
unless 
you have a wider receive filter?  Since most people just have standard SSB 
filters, I 
am curious to know if you can use the mode with others, or only with 
ESSB-equipped 
stations.  TNX and VY 73, Lance

-- 
Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8)
P.O. Box 73
Frenchtown, MT  59834  USA
QTH: DN27UB
TEL: (406) 626-5728
URL: http://www.bigskyspaces.com/w7gj
2m DXCC #11/6m DXCC #815

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[Elecraft] ESSB Works Well

2008-08-02 Thread Don Rasmussen
Lance,

From my test here, any receiver capable of a 2.8 khz
passband will hear the K3 3.0khz ESSB signal as if it
were more like an AM signal, except that the AGC is
not held constant by a carrier (on the receive end).

That is to say it sounds a lot like Drake controlled
carrier AM to me. Or, like listening to an AM
shortwave broadcast with a SSB receiver.

An IC756Pro, 746Pro, Orion, Jupiter, Flex, all will
hear a significant increase in fidelty from K3 essb
transmit at 3khz as compared to standard K3 ssb at 2.7
khz.

My Drake R4C on the other hand has a strict 2.4 khz
SSB filter. To receivers like this, the OMNI C, K2,
and some others the band will still sound like it
always has (communications grade) even though there
might be some EESB stations transmitting.

I hope you have something wider than the 2.7 khz
filter coming, although 2.7 (from my tests) does a
fairly inpressive job of producing quality audio from
the K3 at 3khz essb.
 

[Elecraft] ESSB Works Well
LANCE COLLISTER w7gj at q.com 
Sat Aug 2 21:48:24 EDT 2008 


Don Rasmussen wrote:
 Downloaded 2.23 here and setup for ESSB. Not a
glitch,
 as usual. At 3.0khz as compared to conventional SSB
at
 2.4 or 2.7khz it does not seem to be a new mode
worthy
 of a different name, but the audio sounds much
fuller,
 much more human.
 
 I had a headset connected to my Corsair II which has
a
 2.8 filter and did some comparisons.
 
 Where the two microphones I have sounded very
similar
 before, and the TX equalization made only a nominal
 difference, using the essb setting there is a
 pronounced difference between the D104 and the Shure
 444. And the TX EQ settings now seem almost
 hypercritical. 
 
 Changing one EQ band EQ by one number can make a
very
 significant difference.
 
 We are not waiting anymore for firmware features
here,
 absolutely 100% happy with the radio.
 
 But never cease to be impressed when something new
and
 interesting like this show up at the doorstep for
K3.
 Very nice. 
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I am very curious about this ESSB modeI am getting
my K3 in a few weeks, and 
wonder what it sounds like with a normal SSB receiver
using something like 2.8 KHz 
filter.  Does it sound better/worse/distorted?  Or can
you hear no difference unless 
you have a wider receive filter?  Since most people
just have standard SSB filters, I 
am curious to know if you can use the mode with
others, or only with ESSB-equipped 
stations.  TNX and VY 73, Lance

-- 
Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN,
WA1JXN/C6A, ZF2OC/ZF8)
P.O. Box 73
Frenchtown, MT  59834  USA
QTH: DN27UB
TEL: (406) 626-5728
URL: http://www.bigskyspaces.com/w7gj
2m DXCC #11/6m DXCC #815


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