I have sent the following question to the list some time ago, but did not see
an answer.
nobody there who knows more than me?
oe9fwv wrote:
I am using the K3 DVR to record the received audio and play it back to the
OM on the other side
to give him an impression of his audio. Usually third
Make sure that you turned on the Aux Bus
in the KPA menu.
73,
Ken K3IU
On 8/12/2011 11:41 PM, D Joyce wrote:
Group: I'm checking out a recently completed KPA500 (#234) running FW V1.11
with a K3/10 running FW Ver 4.36. The K3/100 with which it will eventually
be used is otherwise tied up
And... make sure the K3 CONFIG:PWR SET
is on Per Band.
Does the KPA500 really have Firmware
version 1.11???
73, Ken K3IU
On 8/13/2011 6:42 AM, Ken Wagner K3IU
wrote:
Make sure that you turned on the Aux
Bus in the KPA menu.
73,
Ken K3IU
On 8/12/2011
Ken,
All good points and must be done to take full advantage of the KPA's
capabilities. The V1.11 threw me too. I have been communicating with
Elecraft on a separate issue on the K3/PR6/KPA compatibility and they have
noted the highest (Non Released) Version is 1.09. I even checked earlier
Jeff -
Sounds overly complex to me. Why not just plug the CM500 into the K3 and wire a
small
momentary switch to the PTT in jack?
73, Mike NF4L
On 8/12/2011 9:25 PM, Jeff Hall wrote:
I've found that using VOX outdoors is problematic due to background noise, so
I'd like to wire up a finger
I have had my KPA500 (# 316) for about a week. Love it. Yesterday I
downloaded the most recent firmware for my K3. Love the improved
relationship between the K3 and KPA500. All was well for 24 hours.
Now ONLY on 21 mhz I have no amplification. Instead of *21 mhz I get _21mhz
in the readout. All
Hi Doug VE3MV,
I have noticed a similar anomaly with the per-band power control. I suspect
a bug in the firmware.
I run FW 4.39 on my K3/100 with the AUX cable to the KPA500 (#192) running
FW 1.02. (Where did you find version 1.11?)
I have set the K3 CONFIG:PWR SET to PER BAND, and I have
*Hello,*
**
*My K3/100 shows only 63 watts into the power smeter, but , with an external
antenna tuner / power meter it shows 110 watts *
*Do you notice something similar??*
*Which is the solution to this minor problem?*
**
*The problem started two days ago with a general power-line off.*
Jim,
Check that your menu CONFIG:DIGOUT1 is set to OFF on 21 MHz. If it is on,
that will inhibit the amp and give you the _21MHz message.
73, Bud N7CW
On Sat, Aug 13, 2011 at 6:31 AM, jim danehy jsdan...@gmail.com wrote:
I have had my KPA500 (# 316) for about a week. Love it. Yesterday I
When new functions on P3 , as promised?
ie: SSTV, RTTY or PSK31 display ecc.73I0cgItaly
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Post:
I am considering the KBPF3 general coverage receiver option, I have the
following filters in the rig 2.7 5 pole crystal stock filter, 8 pole Inrad 500,
400 and 200hz filters. Do I need to consider any other filter options if I do
purchase the KBPF3 module?
Thanks
Mike
VE3WDM
hi Guy,
I think I have not found the correct explanation for my problem.
I am not talking about recording a memory, where I can adjust mic gain
and comp according to the loudness of my voice and sensitivity of my
microphone.
What I am talking about is recording stations I receive with the AF
On 8/13/2011 9:17 AM, Mike Weir wrote:
I am considering the KBPF3 general coverage receiver option, I have
the following filters in the rig 2.7 5 pole crystal stock filter, 8
pole Inrad 500, 400 and 200hz filters. Do I need to consider any
other filter options if I do purchase the KBPF3
I notice the same thing. I would love to have VFO B show the K3 power
out when I change bands. Right now KPA500 and OPERATE of STANDBY
are spelled out. They could be abbreviated leaving room for the actual
power my K3 is going to make the first time I press the key. I'm always
wary that
Hello Werner!
On Tx, the DVR is injected into the Tx audio path *after* the MIC (or
line) gain but before the Tx EQ.
Thus, Mic Gain will have no effect on the level of DVR playback, whether
recorded in a DVR memory or recorded off the air. TxEQ and CMP settings
will effect the DVR's Tx
Mike,
You do not *need* to purchase an additional filter, but you may want to.
If you want to listen to AM (not AMsync), then you would want a wider
filter - with AM, you need to have enough room for both sidebands and
the 2.7 kHz filter will limit the highest audio frequency demodulated to
All,
Has anyone developed a bracket for the combination of
the K2/100 and the KAT-100 ? I need a method of
transporting them and moving them around easily.
Maybe Elecraft could sell a set of side plates that
would screw in to both the K2 and the KAT-100 with a handle
on one plate
The Nintendo 3DS zippered hard carrying case (got mine from Target for
$12.99) is perfect for the XG3. It has an internal pocket for the
programming cable, and a nice area for the XG3 (includes an elestic strap to
hold it in place). Looks like it was made for the XG3!!
Phil - AD5X
Hello,
When I adjust C55 I initially get a high current message that last for a
second, followed by a fluctuating power indication. The lowest I can adjust
c55 down to is 1.7 volts.
So what have I missed. Thanks in advance.
73,
Ed ke7hga
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Gene,
I once fixed a KAT100 to the bottom of the K2/100 at the request of the
owner.
All that was required was a strip of metal about 1 inch (OK maybe 1.5
inches) wide with holes drilled in the places required to substitute for
the normal screws in the bottom side panels of the K2 and the top
Hi Fred, K6DGW,
Many thanks for letting me know that I'm not alone. With over 300 KPA500s
out there, no one else has responded to my post. That made me start to
think that maybe I had missed some necessary setting. (Not really.)
By the way, could someone please send me the url for the
Ed,
The most common cause is T1 connected incorrectly or having
insufficiently stripped and tinned leads, so check that first.
The HiCur message may indicate a bad or incorrectly oriented diode.
Check all the components in the wattmeter area for good soldering and
correct values T1, D1, D2,
Thanks Don I will start looking into those areas.
73,
Ed ke7hga
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I checked with WSJT9/JT-65B running the spectraJT waterfall:
I have no Rx EQ set up.
TX EQ for SSB is -16, -16, -9, 0, 0,+3,+6,+6
With USB I have display 500-Hz to 2800-Hz
With DATA I have display for 900-Hz to 3400-Hz
with no TX EQ:
USB displays 250-2800 Hz
DATA displays 250-3400 Hz
From
I forgot to check which roofing filter was in use:
SSB = FL2 (2.8)
DATA = FL1 (13)
Date: Sat, 13 Aug 2011 11:22:54 -0800
To: Elecraft Reflector
From: Edward R. Cole kl...@acsalaska.net
Subject: [Elecraft] Elecraft K3 Presets/Settings for JT65B / EME
I checked with WSJT9/JT-65B running the
Don
I was using a cable to connect my Dummy load to the tuner. So I decided to
see if maybe the connection could be bad so I connected the tuner directly
to the #1 antenna jack and that was it. Now I have a steady power ready of
3.0 volts.
Thanks again.
73,
Ed ke7hga
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Don,
I just realized that I had done the Bridge null adjustment with R6
installed. So should I remove it and start over?
73,
Ed ke7hga
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Just to bring everyone up to date on the problem I reported last evening -
doing the K3 Config:Power Set -- per band (as suggested by Ken K3IU) fixed
the problem. Band control works from either the K3 or the KPA500 and K3
power settings are rememberd for all bands. Works slick.
73, Doug
I would also add to consideration that most playbacks are to let the
other end know exactly what they sound like. So adding any equalizing
or processing messes it up. This would be an issue for me because
hard TX EQ and fair amount of CMP are what transforms my soft voice to
something with
Ed,
No, R6 will not influence the bridge null. You are instructed to leave
it out until you check the voltage at U4 pin 1, during receive - it
should be zero - but you can also check that with R6 in. The zero
voltage in receive is the important one to the rest of the K2. If you
do detect
From this it appears TX EQ affects the audio passband in DATA., as
well as, SSB.
No, from that it appears that you have DATA configured for AFSK A and
not DATA A. AFSK A shifts the passband to center on the MARK/SPACE
tones as defined by the MARK frequency - i.e., FC = (MARK+SPACE)/2
At
Yes, that much works here too.
What doesn't work is setting the KPA500 MENU: BAND CHG to STBY and expecting
that the power out from the K3 will reliably switch to higher power whenever
the amp is in STANDBY mode, both whether invoked by the button on the amp or
by simply changing bands on the
Okay Don thanks again. I did not indicate any voltage during receive. I
think I'm going to wait until I get some sort of watt meter before I
continue. But I'm off to work so that will have to wait until next month.
73,
Ed ke7hga
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What is the AUX button on the KPA500 for?
Al W6LX
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Ed,
Do I recall that you have the Elecraft DL1? If so, you have the perfect
item for calibrating the power - in fact, better than most wattmeters.
Just measure the DC voltage at the diode and calculate the power - set
the forward voltage pot so the K2 indicates that same power, and job done.
The weekly Elecraft SSB net will meet tomorrow (8/14/11) at 1800Z on 14.3035
MHz +/- QRM. I will be net control from western 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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Thanks Don,
I will give that a try. Should I use the RF probe that I made or just use
the DMM probes?
73,
Ed ke7hga
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Ed,
With the Elecraft DL1, just use the DMM probes.
If you do not have the DL1, connect the RF Probe across the dummy load
(use a Tee adapter if you do not have direct access to the dummy load
terminals) - but keep the power to 5 watts or less to keep from zapping
the diode in the RF probe.
Yep, I agree with Mike. Old 35mm photo film (remember them?) container with
radio shack switch installed on the lid. Prescription drug bottle works too.
I myself prefer the wander of technology called footswitch, being contester
I don't have luxury to occupy my hand with switch while not using my
Ed,
I would also recommend doing the power calibration on 40 meters - it is
a good compromise. There \is some variation in the response of the
diodes with respect to frequency, and also, if you are using an
oscilloscope to measure the RF voltage, the bandwidth of the 'scope can
cause some
Hi Al,
The AUX button has no function at this time. It is reserved for possible
future features.
73,
Bob, N6CM
On Sat, Aug 13, 2011 at 4:02 PM, Al Lorona alor...@sbcglobal.net wrote:
What is the AUX button on the KPA500 for?
Al W6LX
OK, thanks. I had not altered DATA-MD since the radio arrived from
Elecraft. I guess that was set-up default for AFSK A.
I also note that I found the WIDTH control was narrowed to 45bps in
LSB, so I opened it up as high as 4-KHz. There is still roll off
below 200-Hz. That is fine for me as
This is one of the very rare occasions when I get to correct my good friend
N6CM.
Bob is partially correct. When any radio but the K3 is selected in the KPA500's
menu, the AUX button currently has no function. It is reserved for future use.
If the K3 is the selected radio then presses of the
Don,
When I use the DMM and measure the Voltage across I am only getting 6.0
volts. When I plug that into P=V*V/R I get .72volts. I have also noticed
that when I push TUNE I sometime see a fluctuating power indication and
other times I see 2.4f 0.0r. So what should I be looking at to adjust
I have an outboard XV144 installed following my K3, and the AUX button
puts the station on 2 meters, including activating the transverter and
selecting the appropriate drive level from the XV3 output jack. A very
nice bonus feature.
73...
Randy, W8FN
This is one of the very rare occasions
Ed,
Not enough information, so I am forced to make assumptions.
Are you using the RF probe to measure the RF voltage across the dummy
load? If so, 6 volts yields 0.72 watts as you stated, but if you have
the Elecraft DL1 and measure 6 volts, the power is 1.49 watts.
Adjust R1 to agree with
Sorry Don,
I was using the DMM leads and not the RF probe to read the voltage on the
DL1 measuring 6 volts.
Thanks again Don,
Ed
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I believe that DVR recordings are processed through the TX EQ and the
Compression settings when re-transmitted, so it is best to cancel COMP and
EQ before transmitting.
This has been covered in the past, less than a year ago, but I coudn't find
the emails. Sorry...
...bill nr4c
-Original
Good Evening,
Another very chilly week with one more on the way. Folks are already
talking about how much it feels like Fall. Next week some days won't get
into the 60s so it is cooling off. Not that it ever got hot. 77 was the
hottest day all year. But only five days in the 70s is
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