Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Dave Sergeant
I don't think you can conclude anything by monitoring the transmitter 
with a separate nearby receiver. Have you tried measuring the power 
output with a power meter or even an SWR meter? Your current readings 
look just like what would be expected, and I suspect there is nothing 
whatsoever wrong with your K2. Put a power meter or swr meter in series 
with the dummy load and tell us what that says.

73 Dave G3YMC

On 6 May 2011 at 22:17, Brian - N5BCN wrote:

 When transmitting cw into a 100 watt dummy load, things appear normal
 when transmitting in QRP mode (below 11 watts).  The strength of the cw
 signal on a separate receiver increases in strength as does the current
 draw up until the 11 watt level.
 
 When the K2 Power level hits 11 watts, the high power relay clicks but
 the signal strength actually drops.  At 20 watts, the signal strength on
 the separate receiver is quieter than at 10 watts.  However, the current
 steadily increases and did not drop after the high power relay kicked
 in.
 
 My approx current draw measurements at key down for various power levels
 (measured by my power supply's meter):
 
 5 W~ 2 A
 10 W  ~ 3 A
 15 W  ~ 7 A
 25 W  ~ 8 A
 50 W  ~ 11 A
 100 W ~16-17 A
 


http://www.davesergeant.com

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Re: [Elecraft] [KPA500]KPA500 power cord question

2011-05-07 Thread Jim Brown
On 5/6/2011 10:23 PM, Leigh L. Klotz, Jr WA5ZNU wrote:
 Thanks all (and for offlist replies as well).
 So it has offer two hots, a neutral and a ground, and I use the two hots
 and the ground and ignore neutral, for 240V service?

Yes.

Jim
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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread R. Kevin Stover
There's nothing wrong with the currents you're getting.

What does your Watt/SWR meter say when you change power?
Forget about how loud it sounds on the receiver. The econd receivers
AGC could be clamping down to make the signal sound the same. I'll
bet the S meter on the second receiver is going up.

To do transmitter testing you need a watt meter.


On Fri, 6 May 2011 22:17:56 -0700 (PDT)
Brian - N5BCN n5...@yahoo.com wrote:

 Hi All,
 
 During the course of testing my recently built KPA100, I'm
 experiencing odd results on the cw transmit tests.  All tests,
 resistance, and voltage checks up until this point have been normal.
 
 When transmitting cw into a 100 watt dummy load, things appear normal
 when transmitting in QRP mode (below 11 watts).  The strength of the
 cw signal on a separate receiver increases in strength as does the
 current draw up until the 11 watt level.
 
 When the K2 Power level hits 11 watts, the high power relay clicks
 but the signal strength actually drops.  At 20 watts, the signal
 strength on the separate receiver is quieter than at 10 watts.
 However, the current steadily increases and did not drop after the
 high power relay kicked in.
 
 My approx current draw measurements at key down for various power
 levels (measured by my power supply's meter):
 
 5 W~ 2 A
 10 W  ~ 3 A
 15 W  ~ 7 A
 25 W  ~ 8 A
 50 W  ~ 11 A
 100 W ~16-17 A
 
 My current draw during tune at less than 11 W is 343 mA (I have a
 number of option modules, fixed audio output mod, and Z1 output
 buffer).
 
 My current draw during tune at 11 W plus the fan on low is 545 mA.
 
 I set the bias current so the current draw during tune at 11 W plus
 fan on low is about 950 mA, although it rises pretty quickly to above
 1000 mA during tune.
 
 As always, many thanks for your thoughts and suggestions.
 
 73
 
 N5BCN - Brian
 
 -
 K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2,
 LP-PAN/K2 w/ Pre-amp, SignaLink USB --
 View this message in context:
 http://elecraft.365791.n2.nabble.com/K2-KPA100-transmit-test-fail-tp6339548p6339548.html
 Sent from the Elecraft mailing list archive at Nabble.com.
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-- 
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AC0H
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Re: [Elecraft] [KPA500]KPA500 power cord question

2011-05-07 Thread w5ov

Tell him to come back and swap it out with a NEMA 6-20R (20 amp).

 My 240v shack outlet has a NEMA 14-30 socket.
 Has anybody encountered this before?  It looks like the electrician
 thought I wanted a dryer.

 Leigh/WA5ZNU

 On 05/03/2011 03:23 PM, Phil  Debbie Salas wrote:
 I run my KPA500 on 240VAC.  I purchased a C13615P-6 power cord from
 www.cables.com ($12.00 plus $6.45 shipping) which matches the NEMA 6-15
 240VAC outlet receptacle in my shack.  Plug-N-Play.  This just replaces
 the
 120VAC cord that came with the KPA500.

 Phil - AD5X

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Re: [Elecraft] [KPA500]KPA500 power cord question

2011-05-07 Thread Paul Christensen
The electrician, either knowingly or unknowingly, did him a favor by 
installing the NEMA 14-30 receptacle.  He can now run any amp, including the 
Alpha 77 series and older Henrys that use a 120V blower on the neutral. 
There are plenty folks who wished they had run 30A, 4-wire service from the 
beginning.

To run the KPA500 on 240V, he only needs to use the existing 3-wire power 
cord from the KPA500 to the NEMA 14-30 plug, leaving the plug's neutral 
terminal vacant.

Paul, W9AC

- Original Message - 
From: w...@w5ov.com
To: Leigh L. Klotz, Jr WA5ZNU le...@wa5znu.org
Cc: elecraft@mailman.qth.net
Sent: Saturday, May 07, 2011 9:49 AM
Subject: Re: [Elecraft] [KPA500]KPA500 power cord question



 Tell him to come back and swap it out with a NEMA 6-20R (20 amp).

 My 240v shack outlet has a NEMA 14-30 socket.
 Has anybody encountered this before?  It looks like the electrician
 thought I wanted a dryer.

 Leigh/WA5ZNU

 On 05/03/2011 03:23 PM, Phil  Debbie Salas wrote:
 I run my KPA500 on 240VAC.  I purchased a C13615P-6 power cord from
 www.cables.com ($12.00 plus $6.45 shipping) which matches the NEMA 6-15
 240VAC outlet receptacle in my shack.  Plug-N-Play.  This just replaces
 the
 120VAC cord that came with the KPA500.

 Phil - AD5X

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[Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Stephen Prior
I have (and I think I reported some time ago) been experiencing occasional
AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I can
remember this has only happened on ssb and up until now I had formed the
impression that I may have rf getting in somewhere as it only seemed to be
apparent after going back to receive.

However, three times today the AGC has without warning turned off, and not
whilst transmitting. (I have been more active than normal, exercising my GR
call!).  On one occasion I was listening on 15m usb and as I was looking at
the display I saw the 's' disappear ­ it was probably coincidence that a
station had just started to call on the frequency, but maybe not.  This time
I have been outside cutting grass  and returned to find the AGC had turned
itself off again.  I am running Ham Radio Deluxe, but only for the logbook,
however that requires the main control program to be running too.  HRD is
constantly polling the K3 of course and perhaps a rogue command is entering
the stream somewhere.  I am using the same prolific chipped usb adaptor that
I have successfully used for years with a variety of OS's.  Now using
windows 7 64 bit.  I can't remember if it happened on the previous XP
machine.

I have closed down HRD and not found the problem to re-occur, but to be
honest the length of time for which I have listened without HRD running is
small by comparison and the problem is sporadic to say the least.  Nothing I
do to HRD seems to be able to force the problem.

Not Elecraft's problem I'm sure, but I am curious as to whether anyone else
has noticed this issue before I venture onto the HRD forum, where they can
be a little over-defensive at times :-)

73, Stephen G4SJP

K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at least
once before buying the P3.



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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Ron D'Eau Claire
As a receiver gets heavily overloaded it's not uncommon for the audio output
to drop as amplifier stages are driven so hard they become attenuators. 

As others suggested, the *only* way to confirm is with a wattmeter. 

1) What does the wattmeter built into the K3 say?

2) Did your K3 pass the TX Gain procedure without errors? 

Ron AC7AC 

-Original Message-

 Hi All,
 
 During the course of testing my recently built KPA100, I'm
 experiencing odd results on the cw transmit tests.  All tests,
 resistance, and voltage checks up until this point have been normal.
 
 When transmitting cw into a 100 watt dummy load, things appear normal
 when transmitting in QRP mode (below 11 watts).  The strength of the
 cw signal on a separate receiver increases in strength as does the
 current draw up until the 11 watt level.
 
 When the K2 Power level hits 11 watts, the high power relay clicks
 but the signal strength actually drops.  At 20 watts, the signal
 strength on the separate receiver is quieter than at 10 watts.
 However, the current steadily increases and did not drop after the
 high power relay kicked in.
 
 My approx current draw measurements at key down for various power
 levels (measured by my power supply's meter):
 
 5 W~ 2 A
 10 W  ~ 3 A
 15 W  ~ 7 A
 25 W  ~ 8 A
 50 W  ~ 11 A
 100 W ~16-17 A
 
 My current draw during tune at less than 11 W is 343 mA (I have a
 number of option modules, fixed audio output mod, and Z1 output
 buffer).
 
 My current draw during tune at 11 W plus the fan on low is 545 mA.
 
 I set the bias current so the current draw during tune at 11 W plus
 fan on low is about 950 mA, although it rises pretty quickly to above
 1000 mA during tune.
 
 As always, many thanks for your thoughts and suggestions.
 
 73
 
 N5BCN - Brian

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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread W4CCS
Hi Stephen:

YES, the same thing happens to me several times a week.. I have the same 
setup as you referenced to K3-HRD and I'm also using the HRD logbook and 
DX Cluster..

de W4CCS


On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I can
 remember this has only happened on ssb and up until now I had formed the
 impression that I may have rf getting in somewhere as it only seemed to be
 apparent after going back to receive.

 However, three times today the AGC has without warning turned off, and not
 whilst transmitting. (I have been more active than normal, exercising my GR
 call!).  On one occasion I was listening on 15m usb and as I was looking at
 the display I saw the 's' disappear ­ it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.  This time
 I have been outside cutting grass  and returned to find the AGC had turned
 itself off again.  I am running Ham Radio Deluxe, but only for the logbook,
 however that requires the main control program to be running too.  HRD is
 constantly polling the K3 of course and perhaps a rogue command is entering
 the stream somewhere.  I am using the same prolific chipped usb adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.

 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD running is
 small by comparison and the problem is sporadic to say the least.  Nothing I
 do to HRD seems to be able to force the problem.

 Not Elecraft's problem I'm sure, but I am curious as to whether anyone else
 has noticed this issue before I venture onto the HRD forum, where they can
 be a little over-defensive at times :-)

 73, Stephen G4SJP

 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at least
 once before buying the P3.



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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread JAMES ROGERS
Absolutely. I had this problem as well with HRD.  I was never able to resolve 
the issue. Since moving away from HRD to al Mac based software I have not seen 
the problem again.  I, for one, do not think it is an elecraft problem either, 
although it is hard to imagine why HRD would do this when returning from 
SSB(Voice and Data)  transmit (this is when I observed the problem). The 
consensus of support was it was RF in the shack. But, if that is the case, why 
just AGC??  A frustrating problem to say the least.

73s Jim, W4ATK
 
 
 On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I can
 remember this has only happened on ssb and up until now I had formed the
 impression that I may have rf getting in somewhere as it only seemed to be
 apparent after going back to receive.
 
 However, three times today the AGC has without warning turned off, and not
 whilst transmitting. (I have been more active than normal, exercising my GR
 call!).  On one occasion I was listening on 15m usb and as I was looking at
 the display I saw the 's' disappear  it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.  This time
 I have been outside cutting grass  and returned to find the AGC had turned
 itself off again.  I am running Ham Radio Deluxe, but only for the logbook,
 however that requires the main control program to be running too.  HRD is
 constantly polling the K3 of course and perhaps a rogue command is entering
 the stream somewhere.  I am using the same prolific chipped usb adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.
 
 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD running is
 small by comparison and the problem is sporadic to say the least.  Nothing I
 do to HRD seems to be able to force the problem.
 
 Not Elecraft's problem I'm sure, but I am curious as to whether anyone else
 has noticed this issue before I venture onto the HRD forum, where they can
 be a little over-defensive at times :-)
 
 73, Stephen G4SJP
 
 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at least
 once before buying the P3.
 
 
 
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w4...@bellsouth.net
http://web.me.com/jimrogers_w4atk
K3/100 P3
K2/10




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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Stephen Prior
Thanks Jim

Well I was pretty sure it was RF related until it happened twice on
receive today when I hadn't been transmitting for quite some time!
Perhaps I'll go back to MacLogger DX.   Trouble is the new features in HRD
logbook, such as LOTW download etc, tend to keep bringing me back to HRD!

73 Stephen G4SJP 


On 07/05/2011 16:12, JAMES ROGERS w4...@bellsouth.net wrote:


Absolutely. I had this problem as well with HRD.  I was never able to
resolve the issue. Since moving away from HRD to al Mac based software I
have not seen the problem again.  I, for one, do not think it is an
elecraft problem either, although it is hard to imagine why HRD would do
this when returning from SSB(Voice and Data)  transmit (this is when I
observed the problem). The consensus of support was it was RF in the
shack. But, if that is the case, why just AGC??  A frustrating problem to
say the least.

73s Jim, W4ATK
 
 
 On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing
occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I
can
 remember this has only happened on ssb and up until now I had formed
the
 impression that I may have rf getting in somewhere as it only seemed
to be
 apparent after going back to receive.
 
 However, three times today the AGC has without warning turned off, and
not
 whilst transmitting. (I have been more active than normal, exercising
my GR
 call!).  On one occasion I was listening on 15m usb and as I was
looking at
 the display I saw the 's' disappear  it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.
This time
 I have been outside cutting grass  and returned to find the AGC had
turned
 itself off again.  I am running Ham Radio Deluxe, but only for the
logbook,
 however that requires the main control program to be running too.  HRD
is
 constantly polling the K3 of course and perhaps a rogue command is
entering
 the stream somewhere.  I am using the same prolific chipped usb
adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.
 
 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD
running is
 small by comparison and the problem is sporadic to say the least.
Nothing I
 do to HRD seems to be able to force the problem.
 
 Not Elecraft's problem I'm sure, but I am curious as to whether anyone
else
 has noticed this issue before I venture onto the HRD forum, where they
can
 be a little over-defensive at times :-)
 
 73, Stephen G4SJP
 
 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at
least
 once before buying the P3.
 
 
 
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w4...@bellsouth.net
http://web.me.com/jimrogers_w4atk
K3/100 P3
K2/10




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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Giorgio
It happens exactly the same to me,  totally unpredictable and not relevant to a 
sequence of cat command I may send via HRD ! It's really funny and frustrating 
:-( I'm using HRD into a virtualized XP Pro machine at a Mac Mini , using a 
232-Usb adapter.
In the past I had similar strange behaviour using HRD 4 under XP Pro 
virtualized at an Opensuse pc and the rig was 756 Pro III. In that case 
suddenly and without any reason the AF gain went to the maximun (my wife 
enjoyed it so much).
I feel it will be really hard to fix HI !

73 to everybody

Giorgio IK1BXN

I think it's not an Elecraft problem too, 
Il giorno 07/mag/2011, alle ore 17.12, JAMES ROGERS ha scritto:

 Absolutely. I had this problem as well with HRD.  I was never able to resolve 
 the issue. Since moving away from HRD to al Mac based software I have not 
 seen the problem again.  I, for one, do not think it is an elecraft problem 
 either, although it is hard to imagine why HRD would do this when returning 
 from SSB(Voice and Data)  transmit (this is when I observed the problem). The 
 consensus of support was it was RF in the shack. But, if that is the case, 
 why just AGC??  A frustrating problem to say the least.
 
 73s Jim, W4ATK
 
 
 On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I can
 remember this has only happened on ssb and up until now I had formed the
 impression that I may have rf getting in somewhere as it only seemed to be
 apparent after going back to receive.
 
 However, three times today the AGC has without warning turned off, and not
 whilst transmitting. (I have been more active than normal, exercising my GR
 call!).  On one occasion I was listening on 15m usb and as I was looking at
 the display I saw the 's' disappear  it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.  This time
 I have been outside cutting grass  and returned to find the AGC had turned
 itself off again.  I am running Ham Radio Deluxe, but only for the logbook,
 however that requires the main control program to be running too.  HRD is
 constantly polling the K3 of course and perhaps a rogue command is entering
 the stream somewhere.  I am using the same prolific chipped usb adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.
 
 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD running is
 small by comparison and the problem is sporadic to say the least.  Nothing I
 do to HRD seems to be able to force the problem.
 
 Not Elecraft's problem I'm sure, but I am curious as to whether anyone else
 has noticed this issue before I venture onto the HRD forum, where they can
 be a little over-defensive at times :-)
 
 73, Stephen G4SJP
 
 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at least
 once before buying the P3.
 
 
 
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 w4...@bellsouth.net
 http://web.me.com/jimrogers_w4atk
 K3/100 P3
 K2/10
 
 
 
 
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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Joe Subich, W4TV

 Trouble is the new features in HRD logbook, such as LOTW download
 etc, tend to keep bringing me back to HRD!

Try DXLab Suite ... its logbook (DXKeeper) has it all over HRD and
the rig control module (CI-V Commander) does not abuse the K3 CAT
interface.

No matter how one configures HRD, it polls the transceiver as quickly
as it can.  Watching HRD with a port snooping tool, it sends a poll
every time it receives data (within a millisecond).  When a control
program hammers any rig control processor that hard it's very likely
that data will be garbled or the controller will become overrun.

73,

... Joe, W4TV


On 5/7/2011 11:22 AM, Stephen Prior wrote:
 Thanks Jim

 Well I was pretty sure it was RF related until it happened twice on
 receive today when I hadn't been transmitting for quite some time!
 Perhaps I'll go back to MacLogger DX.   Trouble is the new features in HRD
 logbook, such as LOTW download etc, tend to keep bringing me back to HRD!

 73 Stephen G4SJP


 On 07/05/2011 16:12, JAMES ROGERSw4...@bellsouth.net  wrote:


 Absolutely. I had this problem as well with HRD.  I was never able to
 resolve the issue. Since moving away from HRD to al Mac based software I
 have not seen the problem again.  I, for one, do not think it is an
 elecraft problem either, although it is hard to imagine why HRD would do
 this when returning from SSB(Voice and Data)  transmit (this is when I
 observed the problem). The consensus of support was it was RF in the
 shack. But, if that is the case, why just AGC??  A frustrating problem to
 say the least.

 73s Jim, W4ATK


 On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing
 occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I
 can
 remember this has only happened on ssb and up until now I had formed
 the
 impression that I may have rf getting in somewhere as it only seemed
 to be
 apparent after going back to receive.

 However, three times today the AGC has without warning turned off, and
 not
 whilst transmitting. (I have been more active than normal, exercising
 my GR
 call!).  On one occasion I was listening on 15m usb and as I was
 looking at
 the display I saw the 's' disappear  it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.
 This time
 I have been outside cutting grass  and returned to find the AGC had
 turned
 itself off again.  I am running Ham Radio Deluxe, but only for the
 logbook,
 however that requires the main control program to be running too.  HRD
 is
 constantly polling the K3 of course and perhaps a rogue command is
 entering
 the stream somewhere.  I am using the same prolific chipped usb
 adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.

 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD
 running is
 small by comparison and the problem is sporadic to say the least.
 Nothing I
 do to HRD seems to be able to force the problem.

 Not Elecraft's problem I'm sure, but I am curious as to whether anyone
 else
 has noticed this issue before I venture onto the HRD forum, where they
 can
 be a little over-defensive at times :-)

 73, Stephen G4SJP

 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at
 least
 once before buying the P3.



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 w4...@bellsouth.net
 http://web.me.com/jimrogers_w4atk
 K3/100 P3
 K2/10




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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Brian - N5BCN
Hi all,

Thanks for the tips.  I might have taken the instructions too literally and
not taken into account the receiver attenuating the signal.  However, I did
confirm that AGC is turned off on the receiving radio, so that can be ruled
out.

What is hard for me to understand is that the signal is load and clear at 10
Watts, but drops off significantly at 11 Watts when the high power relay
kicks in.  In my mind, there shouldn't be that much of a difference from 10
to 11 watts, one way or the other, to kick in any attenuating circuits or
AGC.

Measuring the actual power will be my next step:

I'm relying on using a DL1 and taking the voltage measurements and
converting it into power.  Now this has me worried that I'm using the wrong
formula since I've seen at least two floating around on the reflector. 
Here's what I'm using:

Power (Watts) = (2x((DC Volts + 0.15)^2))/50

Or: add 0.15 to the measured voltage, squaring the sum, multiplying the
result by 2, and then dividing the final product by 50

Can you all verify that this is the correct Power formula for the DL1?

I'm using the DL1 up until about 25 watts, then I'm switching over to a 100
Watt dummy load.

73

N5BCN - Brian 

-
K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/ 
Pre-amp, SignaLink USB
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K2-KPA100-transmit-test-fail-tp6339548p6340314.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 S meter vs P3 S scale

2011-05-07 Thread Doug Turnbull
Alan,
   Thank you for this, I have been wondering whether my P3 required
calibration.   I am not sure if this is mentioned in the manual but if not
it should be.   The P3 is a new product and some of us are still learning.
The forum once again proves valuable.

  73 Doug EI2CN

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Alan Bloom
Sent: 06 May 2011 23:00
To: Jim Miller KG0KP
Cc: Elecraft Reflector
Subject: Re: [Elecraft] K3 S meter vs P3 S scale

The reason the P3 reads lower than the K3 on noise or SSB signals is
that each display point on the P3 screen covers only a small bandwidth.
As explained in the manual, each display point is about 1/450 of the
span.  For example, if the span is 45 kHz, then each display point only
covers about 100 Hz.

You'd see the same effect on the K3 if you narrowed the bandwidth from
2700 Hz to 100 Hz.  The S meter would read 10 * log (2700/100) = 14 dB
(2-3 S units) lower.

Alan N1AL


On Thu, 2011-05-05 at 21:59 -0600, Jim Miller KG0KP wrote:
 Seems to be quite a difference in the readings between the P3 showing S 
 scale and he S meter reading on the K3.  The software in both is up to 
 date(recently at least).  The difference is quite significant with the P3 
 being considerably lower.  Maybe I don't know how to read the two meters. 
 On the K3 I read the mostly steady peak reading excluding the static
crashes 
 if any.  On the P3 using clear frequency noise as an example, I tend to
read 
 the average of the noise trace.  Should I be reading the peaks 
 (disregarding static crashes)?
 
 Is there a calibration I need to do?  To which and where is the procedure 
 spelled out?
 
 Will I will need to order the new XG3? (please)
 
 TIA, de Jim KG0KP 
 
 
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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Ron D'Eau Claire
There's a new revision of the DL1 manual (Rev C) that should appear on the
Elecraft web site soon. It has this new formula: 

P(watts) = (V + 0.25)2 /25 where V= volts and 0.25 is the RF voltage drop
across the diode.

Ron AC7AC



-Original Message-

Hi all,

Thanks for the tips.  I might have taken the instructions too literally and
not taken into account the receiver attenuating the signal.  However, I did
confirm that AGC is turned off on the receiving radio, so that can be ruled
out.

What is hard for me to understand is that the signal is load and clear at 10
Watts, but drops off significantly at 11 Watts when the high power relay
kicks in.  In my mind, there shouldn't be that much of a difference from 10
to 11 watts, one way or the other, to kick in any attenuating circuits or
AGC.

Measuring the actual power will be my next step:

I'm relying on using a DL1 and taking the voltage measurements and
converting it into power.  Now this has me worried that I'm using the wrong
formula since I've seen at least two floating around on the reflector. 
Here's what I'm using:

Power (Watts) = (2x((DC Volts + 0.15)^2))/50

Or: add 0.15 to the measured voltage, squaring the sum, multiplying the
result by 2, and then dividing the final product by 50

Can you all verify that this is the correct Power formula for the DL1?

I'm using the DL1 up until about 25 watts, then I'm switching over to a 100
Watt dummy load.

73

N5BCN - Brian 


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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Brian - N5BCN
Hi all,

Here's the results of my power measurements:

Requested/Measured Power

5 W   --  5.81 W
10 W -- 11.06 W
11 W -- 11.93 W
20 W -- 18.22 W
30 W -- 30.25 W

Looks pretty good to me.

The take away lesson is not to rely on a separate receiver to judge signal
strength.

It's still a mystery to me why there is such a drop off in heard signal
strength going from 10 to 11 W, but the wattmeter doesn't lie.

Thanks to all that helped out and putting my mind at ease!  Now on to
testing on the rest of the bands.

73

N5BCN - Brian 

-
K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/ 
Pre-amp, SignaLink USB
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/K2-KPA100-transmit-test-fail-tp6339548p6340510.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Guy Olinger K2AV
What is most likely to have fooled you is that if you are transmitting
into a dummy load, then what you are hearing in an antenna-less nearby
second receiver is miscellaneous leakage from the K2 case.  This could
easily change when the termination of the low power stage changes its
termination from the dummy load to the input of the 100 watt stage.

Glad the direct measurement is FB.  Enjoy.   73, Guy.

On Sat, May 7, 2011 at 1:48 PM, Brian - N5BCN n5...@yahoo.com wrote:
 Hi all,

 Here's the results of my power measurements:

 Requested/Measured Power

 5 W   --  5.81 W
 10 W -- 11.06 W
 11 W -- 11.93 W
 20 W -- 18.22 W
 30 W -- 30.25 W

 Looks pretty good to me.

 The take away lesson is not to rely on a separate receiver to judge signal
 strength.

 It's still a mystery to me why there is such a drop off in heard signal
 strength going from 10 to 11 W, but the wattmeter doesn't lie.

 Thanks to all that helped out and putting my mind at ease!  Now on to
 testing on the rest of the bands.

 73

 N5BCN - Brian

 -
 K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/ 
 Pre-amp, SignaLink USB
 --
 View this message in context: 
 http://elecraft.365791.n2.nabble.com/K2-KPA100-transmit-test-fail-tp6339548p6340510.html
 Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Guy Olinger K2AV
Can the HRD polling be slowed down a bit?

On Sat, May 7, 2011 at 11:38 AM, Joe Subich, W4TV li...@subich.com wrote:

 Trouble is the new features in HRD logbook, such as LOTW download
 etc, tend to keep bringing me back to HRD!

 Try DXLab Suite ... its logbook (DXKeeper) has it all over HRD and
 the rig control module (CI-V Commander) does not abuse the K3 CAT
 interface.

 No matter how one configures HRD, it polls the transceiver as quickly
 as it can.  Watching HRD with a port snooping tool, it sends a poll
 every time it receives data (within a millisecond).  When a control
 program hammers any rig control processor that hard it's very likely
 that data will be garbled or the controller will become overrun.

 73,

    ... Joe, W4TV


 On 5/7/2011 11:22 AM, Stephen Prior wrote:
 Thanks Jim

 Well I was pretty sure it was RF related until it happened twice on
 receive today when I hadn't been transmitting for quite some time!
 Perhaps I'll go back to MacLogger DX.   Trouble is the new features in HRD
 logbook, such as LOTW download etc, tend to keep bringing me back to HRD!

 73 Stephen G4SJP


 On 07/05/2011 16:12, JAMES ROGERSw4...@bellsouth.net  wrote:


 Absolutely. I had this problem as well with HRD.  I was never able to
 resolve the issue. Since moving away from HRD to al Mac based software I
 have not seen the problem again.  I, for one, do not think it is an
 elecraft problem either, although it is hard to imagine why HRD would do
 this when returning from SSB(Voice and Data)  transmit (this is when I
 observed the problem). The consensus of support was it was RF in the
 shack. But, if that is the case, why just AGC??  A frustrating problem to
 say the least.

 73s Jim, W4ATK


 On 5/7/2011 10:14 AM, Stephen Prior wrote:
 I have (and I think I reported some time ago) been experiencing
 occasional
 AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I
 can
 remember this has only happened on ssb and up until now I had formed
 the
 impression that I may have rf getting in somewhere as it only seemed
 to be
 apparent after going back to receive.

 However, three times today the AGC has without warning turned off, and
 not
 whilst transmitting. (I have been more active than normal, exercising
 my GR
 call!).  On one occasion I was listening on 15m usb and as I was
 looking at
 the display I saw the 's' disappear  it was probably coincidence that a
 station had just started to call on the frequency, but maybe not.
 This time
 I have been outside cutting grass  and returned to find the AGC had
 turned
 itself off again.  I am running Ham Radio Deluxe, but only for the
 logbook,
 however that requires the main control program to be running too.  HRD
 is
 constantly polling the K3 of course and perhaps a rogue command is
 entering
 the stream somewhere.  I am using the same prolific chipped usb
 adaptor that
 I have successfully used for years with a variety of OS's.  Now using
 windows 7 64 bit.  I can't remember if it happened on the previous XP
 machine.

 I have closed down HRD and not found the problem to re-occur, but to be
 honest the length of time for which I have listened without HRD
 running is
 small by comparison and the problem is sporadic to say the least.
 Nothing I
 do to HRD seems to be able to force the problem.

 Not Elecraft's problem I'm sure, but I am curious as to whether anyone
 else
 has noticed this issue before I venture onto the HRD forum, where they
 can
 be a little over-defensive at times :-)

 73, Stephen G4SJP

 K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at
 least
 once before buying the P3.



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 w4...@bellsouth.net
 http://web.me.com/jimrogers_w4atk
 K3/100 P3
 K2/10




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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Gary Gregory
Joe,

I too use DX Labs suite and the issue has never returned.
73's
Gary


On 8 May 2011 04:00, Guy Olinger K2AV olin...@bellsouth.net wrote:

 Can the HRD polling be slowed down a bit?

 On Sat, May 7, 2011 at 11:38 AM, Joe Subich, W4TV li...@subich.com
 wrote:
 
  Trouble is the new features in HRD logbook, such as LOTW download
  etc, tend to keep bringing me back to HRD!
 
  Try DXLab Suite ... its logbook (DXKeeper) has it all over HRD and
  the rig control module (CI-V Commander) does not abuse the K3 CAT
  interface.
 
  No matter how one configures HRD, it polls the transceiver as quickly
  as it can.  Watching HRD with a port snooping tool, it sends a poll
  every time it receives data (within a millisecond).  When a control
  program hammers any rig control processor that hard it's very likely
  that data will be garbled or the controller will become overrun.
 
  73,
 
 ... Joe, W4TV
 
 
  On 5/7/2011 11:22 AM, Stephen Prior wrote:
  Thanks Jim
 
  Well I was pretty sure it was RF related until it happened twice on
  receive today when I hadn't been transmitting for quite some time!
  Perhaps I'll go back to MacLogger DX.   Trouble is the new features in
 HRD
  logbook, such as LOTW download etc, tend to keep bringing me back to
 HRD!
 
  73 Stephen G4SJP
 
 
  On 07/05/2011 16:12, JAMES ROGERSw4...@bellsouth.net  wrote:
 
 
  Absolutely. I had this problem as well with HRD.  I was never able to
  resolve the issue. Since moving away from HRD to al Mac based software
 I
  have not seen the problem again.  I, for one, do not think it is an
  elecraft problem either, although it is hard to imagine why HRD would
 do
  this when returning from SSB(Voice and Data)  transmit (this is when I
  observed the problem). The consensus of support was it was RF in the
  shack. But, if that is the case, why just AGC??  A frustrating problem
 to
  say the least.
 
  73s Jim, W4ATK
 
 
  On 5/7/2011 10:14 AM, Stephen Prior wrote:
  I have (and I think I reported some time ago) been experiencing
  occasional
  AGC misbehaviour where the AGC would suddenly turn off.  Insofar as I
  can
  remember this has only happened on ssb and up until now I had formed
  the
  impression that I may have rf getting in somewhere as it only seemed
  to be
  apparent after going back to receive.
 
  However, three times today the AGC has without warning turned off,
 and
  not
  whilst transmitting. (I have been more active than normal, exercising
  my GR
  call!).  On one occasion I was listening on 15m usb and as I was
  looking at
  the display I saw the 's' disappear  it was probably coincidence that
 a
  station had just started to call on the frequency, but maybe not.
  This time
  I have been outside cutting grass  and returned to find the AGC had
  turned
  itself off again.  I am running Ham Radio Deluxe, but only for the
  logbook,
  however that requires the main control program to be running too.
  HRD
  is
  constantly polling the K3 of course and perhaps a rogue command is
  entering
  the stream somewhere.  I am using the same prolific chipped usb
  adaptor that
  I have successfully used for years with a variety of OS's.  Now using
  windows 7 64 bit.  I can't remember if it happened on the previous XP
  machine.
 
  I have closed down HRD and not found the problem to re-occur, but to
 be
  honest the length of time for which I have listened without HRD
  running is
  small by comparison and the problem is sporadic to say the least.
  Nothing I
  do to HRD seems to be able to force the problem.
 
  Not Elecraft's problem I'm sure, but I am curious as to whether
 anyone
  else
  has noticed this issue before I venture onto the HRD forum, where
 they
  can
  be a little over-defensive at times :-)
 
  73, Stephen G4SJP
 
  K3 #980 and P3, latest firmwares.  I'm fairly sure this happened at
  least
  once before buying the P3.
 
 
 
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  JIM ROGERS, W4ATK
  w4...@bellsouth.net
  http://web.me.com/jimrogers_w4atk
  K3/100 P3
  K2/10
 
 
 
 
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Re: [Elecraft] K3 and HRD turning AGC off

2011-05-07 Thread Stephen Prior
I have just downloaded DXLab.  I don't think I shall be bothering with HRD
anymore!  In answer to Guy's question, I seem to recall that a serial port
emulator I have used in the past had a buffer for HRD, but I'm a bit hazy
on the detail.  

Thanks gents, for all the input.  I'm going to take a good look at DXLab
and look again at MacLogger and Rumlog for the mac.

73, Stephen

On 07/05/2011 21:09, Gary Gregory garyvk...@gmail.com wrote:


Joe,

I too use DX Labs suite and the issue has never returned.
73's
Gary


On 8 May 2011 04:00, Guy Olinger K2AV olin...@bellsouth.net wrote:

 Can the HRD polling be slowed down a bit?

 On Sat, May 7, 2011 at 11:38 AM, Joe Subich, W4TV li...@subich.com
 wrote:
 
  Trouble is the new features in HRD logbook, such as LOTW download
  etc, tend to keep bringing me back to HRD!
 
  Try DXLab Suite ... its logbook (DXKeeper) has it all over HRD and
  the rig control module (CI-V Commander) does not abuse the K3 CAT
  interface.
 
  No matter how one configures HRD, it polls the transceiver as quickly
  as it can.  Watching HRD with a port snooping tool, it sends a poll
  every time it receives data (within a millisecond).  When a control
  program hammers any rig control processor that hard it's very likely
  that data will be garbled or the controller will become overrun.
 
  73,
 
 ... Joe, W4TV
 
 
  On 5/7/2011 11:22 AM, Stephen Prior wrote:
  Thanks Jim
 
  Well I was pretty sure it was RF related until it happened twice on
  receive today when I hadn't been transmitting for quite some time!
  Perhaps I'll go back to MacLogger DX.   Trouble is the new features
in
 HRD
  logbook, such as LOTW download etc, tend to keep bringing me back to
 HRD!
 
  73 Stephen G4SJP
 
 
  On 07/05/2011 16:12, JAMES ROGERSw4...@bellsouth.net  wrote:
 
 
  Absolutely. I had this problem as well with HRD.  I was never able
to
  resolve the issue. Since moving away from HRD to al Mac based
software
 I
  have not seen the problem again.  I, for one, do not think it is an
  elecraft problem either, although it is hard to imagine why HRD
would
 do
  this when returning from SSB(Voice and Data)  transmit (this is
when I
  observed the problem). The consensus of support was it was RF in the
  shack. But, if that is the case, why just AGC??  A frustrating
problem
 to
  say the least.
 
  73s Jim, W4ATK
 
 
  On 5/7/2011 10:14 AM, Stephen Prior wrote:
  I have (and I think I reported some time ago) been experiencing
  occasional
  AGC misbehaviour where the AGC would suddenly turn off.  Insofar
as I
  can
  remember this has only happened on ssb and up until now I had
formed
  the
  impression that I may have rf getting in somewhere as it only
seemed
  to be
  apparent after going back to receive.
 
  However, three times today the AGC has without warning turned off,
 and
  not
  whilst transmitting. (I have been more active than normal,
exercising
  my GR
  call!).  On one occasion I was listening on 15m usb and as I was
  looking at
  the display I saw the 's' disappear  it was probably coincidence
that
 a
  station had just started to call on the frequency, but maybe not.
  This time
  I have been outside cutting grass  and returned to find the AGC
had
  turned
  itself off again.  I am running Ham Radio Deluxe, but only for the
  logbook,
  however that requires the main control program to be running too.
  HRD
  is
  constantly polling the K3 of course and perhaps a rogue command is
  entering
  the stream somewhere.  I am using the same prolific chipped usb
  adaptor that
  I have successfully used for years with a variety of OS's.  Now
using
  windows 7 64 bit.  I can't remember if it happened on the
previous XP
  machine.
 
  I have closed down HRD and not found the problem to re-occur, but
to
 be
  honest the length of time for which I have listened without HRD
  running is
  small by comparison and the problem is sporadic to say the least.
  Nothing I
  do to HRD seems to be able to force the problem.
 
  Not Elecraft's problem I'm sure, but I am curious as to whether
 anyone
  else
  has noticed this issue before I venture onto the HRD forum, where
 they
  can
  be a little over-defensive at times :-)
 
  73, Stephen G4SJP
 
  K3 #980 and P3, latest firmwares.  I'm fairly sure this happened
at
  least
  once before buying the P3.
 
 
 
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[Elecraft] K2 Inductor identification question

2011-05-07 Thread EMD
All

I have identified all the inductors from the parts list with the exception
of 2.  The first is what I believe to be L5.  L5, I think, is a green bodied
inductor that looks like brown brown black.  So I'm wondering if the brown
is actually orange due to the printing on a green back ground.

The second one is RFC15 which is a sub miniature solenoidal, what I have
looks to be green brown green.  So I'm not sure what to do until I have
confirmation that what I have will work.

73s, Ed
KE7HGA 

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Re: [Elecraft] K2 KPA100 transmit test: fail

2011-05-07 Thread Ron D'Eau Claire
I've heard many extremely powerful signals reduce the audio output from even
the best receivers in commercial communications facilities. It's a very
common phenomenon. 

Glad all is okay Brian. Those results are well within the typical margin of
error for RF power measurements. 

Have fun! 

Ron AC7AC


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Brian - N5BCN
Sent: Saturday, May 07, 2011 10:49 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K2 KPA100 transmit test: fail

Hi all,

Here's the results of my power measurements:

Requested/Measured Power

5 W   --  5.81 W
10 W -- 11.06 W
11 W -- 11.93 W
20 W -- 18.22 W
30 W -- 30.25 W

Looks pretty good to me.

The take away lesson is not to rely on a separate receiver to judge signal
strength.

It's still a mystery to me why there is such a drop off in heard signal
strength going from 10 to 11 W, but the wattmeter doesn't lie.

Thanks to all that helped out and putting my mind at ease!  Now on to
testing on the rest of the bands.

73

N5BCN - Brian 

-
K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/
Pre-amp, SignaLink USB
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Re: [Elecraft] K2 Inductor identification question

2011-05-07 Thread Wayne Conrad
Ed,

I had the same question, so I asked Elecraft.  You've got the right 
part.  Here's my email to them:

...RF E690007, a 33 uH selenoidal inductor.  The color code should be 
orange-orange-black, but it looks like brown-brown-black to me.  brown 
and orange are pretty close together, so I assume it's just the part 
maker's idea of what orange should look like.  However, I thought I'd 
check with ya'll to make sure it's alright. 

Richard Trebbien's reply:

...Yes E690007 the orange does look brown but that's the correct part.

73, Wayne Conrad (no call sign yet, but soon)

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Re: [Elecraft] K2 Inductor identification question

2011-05-07 Thread EMD
Thanks for the info Wayne.  As you know it's a lot easier to put the correct
part in the first time.  ;-)

73, Ed
KE7HGA

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[Elecraft] need radio finished?

2011-05-07 Thread John Cooper
Anyone have a kx1 k1 k2 or k3 they need started, finished or whatever?  My k2 
is nearing completion as Im only waiting on the kat2 now to finish it out.  I 
have built 4 k2’s, oak hills wattmeter and dummyload, and a bunch of ramsey 
kits.  

WT5Y
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Re: [Elecraft] K2 Inductor identification question

2011-05-07 Thread Wayne Conrad
On 05/07/2011 05:16 PM, EMD wrote:
 Thanks for the info Wayne.  As you know it's a lot easier to put the correct
 part in the first time.  ;-)


All I can say about putting the correct part in the first time is this: 
The Soldapullt is the best tool I own, and not just because it's useful 
_in theory_.

73, Wayne Conrad (callsign next month)

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[Elecraft] [K3] Programming - ER commands?

2011-05-07 Thread Mike Markowski
Can anyone give the syntax of the K3's ER commands?  For instance,
ER0E804032; apparently reads k3 memory location 10, but at first
glance I don't understand the format of the command or its response.

The ER commands seem to be a much better way of interacting with the K3
for certain things than those published in the Programmer's Manual.

Thanks!
Mike ab3ap
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Re: [Elecraft] [K3] Programming - ER commands?

2011-05-07 Thread Wayne Burdick
Mike,

This is one of several commands used only for factory test,  
configuration, etc. To avoid unwanted side effects, we recommend that  
third-party applications use only published commands. I can give you a  
hand with these.

73,
Wayne
N6KR


On May 7, 2011, at 5:28 PM, Mike Markowski wrote:

 Can anyone give the syntax of the K3's ER commands?  For instance,
 ER0E804032; apparently reads k3 memory location 10, but at first
 glance I don't understand the format of the command or its response.

 The ER commands seem to be a much better way of interacting with the  
 K3
 for certain things than those published in the Programmer's Manual.

 Thanks!
 Mike ab3ap
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[Elecraft] SSB net announcement

2011-05-07 Thread Phillip Shepard
The weekly Elecraft SSB net will meet tomorrow (5/8/11) at 1800Z on 14.3035
MHz.  This is the frequency that seemed to work well last week.
I will be net control from Oregon, and we'll try relays to pull in the
stations that I can't hear.  See you there.

73,

Phil, NS7P

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[Elecraft] Swap 68000 package for K3

2011-05-07 Thread Alan D. Wilcox
Hello,

The 68000 boards, firmware, AND engineering design notes at 
http://wilcoxengineering.com/68000-microprocessor need to have a new home.

Will swap for K3.

Reply off board please.

Alan

Alan D. Wilcox, W3DVX (K2-5373, K3-40)
570-321-1516
http://WilcoxEngineering.com
http://eBookEditor.net
https://www.smashwords.com/books/view/28062?ref=awilcox
Williamsport, PA 17701

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[Elecraft] K3 + fldigi problem...

2011-05-07 Thread John Ragle
Does anyone recognize the cause of the following problem?

1. First, the details of hardware/software:

 (a) WIN 7 (32 bit) Dell XPS, on-board sound and also Infrasonic 
Quartet PCI card. Both sound cards are never active at the same time 
(e.g. the on-board sound is shut off in the BIOS when the Infrasonic 
card is being used.)
 (b) SignaLink USB
 (c) K3/100  P3
 (d) FLDIGI 3.21.9 7/or DigiPan. FLDIGI is run using RigCat and the 
K3.xml file.

 The SignaLink can be run off either sound source. The problem is 
the same with either.
 BPSK31 (e.g.) can be run off either FLDIGI or DigiPan. The problem 
only occurs with FLDIGI, not with DigiPan.

2. The problem:

 (a) Transmission initiates correctly with both FLDIGI and DigiPan.
 (b) When transmission is terminated with FLDIGI, the K3 is left in 
TX mode -- that is, the red LED under the Power switch remains on, 
although the SignaLink powers down properly and the PSK idle carrier is 
no longer transmitted.
(c) Pushing any front panel button on the K3 changes it over to RX mode.
(d) When transmission is terminated with DigiPan, the K3 changes 
over to RX mode properly.
(e) In either case, during transmit, things are working OK -- one 
can proceed with a QSO.

John Ragle -- W1ZI

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Re: [Elecraft] K3 + fldigi problem...

2011-05-07 Thread Joe Subich, W4TV

I suspect you are generating PTT via radio commands with FLDIGI
but DigiPan does not support radio commands.  With PTT from
SignaLink (the built in VOX) and FLDIGI you can generate a
RACE condition.  Either disable the command PTT in FLDIGI
or disable the VOX PTT in Signalink and you will probably
eliminate the problem.

In some cases it appears that the transceiver CPU sees the PTT
OFF command via serial control but says I still see a hardware
PTT so I will keep transmitting but the controller is busy when
the hardware PTT drops and the hardware PTT change gets missed.
I believe (but have not been able to create the necessary timing)
that the hang occurs when the hardware PTT drops less than 10
msec after the PTT OFF command.

73,

... Joe, W4TV


On 5/7/2011 10:21 PM, John Ragle wrote:
 Does anyone recognize the cause of the following problem?

 1. First, the details of hardware/software:

   (a) WIN 7 (32 bit) Dell XPS, on-board sound and also Infrasonic
 Quartet PCI card. Both sound cards are never active at the same time
 (e.g. the on-board sound is shut off in the BIOS when the Infrasonic
 card is being used.)
   (b) SignaLink USB
   (c) K3/100  P3
   (d) FLDIGI 3.21.9 7/or DigiPan. FLDIGI is run using RigCat and the
 K3.xml file.

   The SignaLink can be run off either sound source. The problem is
 the same with either.
   BPSK31 (e.g.) can be run off either FLDIGI or DigiPan. The problem
 only occurs with FLDIGI, not with DigiPan.

 2. The problem:

   (a) Transmission initiates correctly with both FLDIGI and DigiPan.
   (b) When transmission is terminated with FLDIGI, the K3 is left in
 TX mode -- that is, the red LED under the Power switch remains on,
 although the SignaLink powers down properly and the PSK idle carrier is
 no longer transmitted.
  (c) Pushing any front panel button on the K3 changes it over to RX mode.
  (d) When transmission is terminated with DigiPan, the K3 changes
 over to RX mode properly.
  (e) In either case, during transmit, things are working OK -- one
 can proceed with a QSO.

 John Ragle -- W1ZI

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[Elecraft] Elecraft CW Net Announcement

2011-05-07 Thread Kevin Rock
Good Evening,
The weather has been cool this week but I have seen a few minutes of  
sun.  More flowers are blooming and I think most of the frost danger has  
passed.  Logging season is in full swing.  After a full month of gravel  
trucks driving by starting before dawn I saw my first truck load of trees  
bound for St. Helens.  Each of the gravel trucks has a trailer behind it  
so my road is getting flattened by the sheer weight of each load.
Propagation has been decent each morning on twenty meters with just a  
little noise and some QSB.  It is good to be able to hear all of a contact  
with strong signals.  Only last year it was hard to do so.  I read  
yesterday in Sky  Telescope that the peak of this solar cycle is due in  
2013.  They also mentioned it will be one of the weaker cycles recorded.   
Oh well, I'll have to wait until the next one I guess :)  I do remember  
the 1958-59 period when I started listening to shortwave.  It was fun.   
IGY was only a year in the past so there was a lot of attention being paid  
to the newly found Van Allen belts and the satellites going into orbit.   
Echo 1 and 2 were fun to watch from the backyard.  It is hard to imagine  
it has been 50 years since Alan Shepard took that first sub-orbital  
flight.  It is also hard to imagine how very little progress we have made  
in space since 1969.

If anyone is interested in acting as a relay station on either net  
please email me.  I will turn the net over to you for a few minutes so you  
can call areas in my skip zone.  It sure would prove helpful to those I  
cannot reach directly.

Please join us tomorrow afternoon and evening.

1) Hail signs  (first letter or two of the suffix of your call)
2) NCS help  (as well as QSP/QNP relay help)

Sunday 2200z (Sunday 3 PM PDT) 14050 kHz
Monday z (Sunday 5 PM PDT)  7045 kHz

Stay well,
   Kevin.  KD5ONS

-
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Re: [Elecraft] K3 S meter vs P3 S scale

2011-05-07 Thread Alan Bloom
Hi Doug,

On Sat, 2011-05-07 at 17:10 +0100, Doug Turnbull wrote:
 Alan,
Thank you for this, I have been wondering whether my P3 required
 calibration.   I am not sure if this is mentioned in the manual but if not
 it should be.   

There's a section in the manual titled, How to Set Up and Interpret the
P3 Display that covers that and a number of other issues.  Panadapters
and other types of spectrum analyzers are new to many operators so that
section was written to address some of the questions that come up.

73,

Alan N1AL


 The P3 is a new product and some of us are still learning.
 The forum once again proves valuable.
 
   73 Doug EI2CN
 
 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Alan Bloom
 Sent: 06 May 2011 23:00
 To: Jim Miller KG0KP
 Cc: Elecraft Reflector
 Subject: Re: [Elecraft] K3 S meter vs P3 S scale
 
 The reason the P3 reads lower than the K3 on noise or SSB signals is
 that each display point on the P3 screen covers only a small bandwidth.
 As explained in the manual, each display point is about 1/450 of the
 span.  For example, if the span is 45 kHz, then each display point only
 covers about 100 Hz.
 
 You'd see the same effect on the K3 if you narrowed the bandwidth from
 2700 Hz to 100 Hz.  The S meter would read 10 * log (2700/100) = 14 dB
 (2-3 S units) lower.
 
 Alan N1AL
 
 
 On Thu, 2011-05-05 at 21:59 -0600, Jim Miller KG0KP wrote:
  Seems to be quite a difference in the readings between the P3 showing S 
  scale and he S meter reading on the K3.  The software in both is up to 
  date(recently at least).  The difference is quite significant with the P3 
  being considerably lower.  Maybe I don't know how to read the two meters. 
  On the K3 I read the mostly steady peak reading excluding the static
 crashes 
  if any.  On the P3 using clear frequency noise as an example, I tend to
 read 
  the average of the noise trace.  Should I be reading the peaks 
  (disregarding static crashes)?
  
  Is there a calibration I need to do?  To which and where is the procedure 
  spelled out?
  
  Will I will need to order the new XG3? (please)
  
  TIA, de Jim KG0KP 
  

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