Brian,
Even though the KAT2 and the KPA100 are present in the "Twins"
configuration, when the K2 MCU detects the presence of the KPA100, the
KAT2 is bypassed and set to connect only to ANT1.
In other words, the KAT2 will not work with the KPA100 present.
If an ATU is required with the KPA100
..unless you build it in the ‘Twins’ configuration. Then you have the KAT2 and
KAT100 both available in the system along with the KPA100. But you need
another EC2 enclosure.
Brian
KB1VBF
Sent from my iPad
> On Dec 19, 2018, at 9:04 PM, Neil Zampella wrote:
>
> Gene ...
>
> if you were
Shortwave transmitters tend to live very long lives.
Sent from my iPhone
> On Dec 19, 2018, at 19:13, Phil Kane wrote:
>
>> On 12/19/2018 3:25 PM, W2xj wrote:
>>
>> must have been an old tx. The ones dating back around 60 years had
>> front panel cranks and newer models did changes
Eric WB9JNZ, our normal net control station, promises to be back in the saddle
next week. In his absence we managed to log 23 check ins with the much
appreciated assistance from Steve WM6P, Roger N4NRW, and Bill AE6JV.
Sunday’s check ins included:
WM6PSteve GA K3S 11453
On 12/19/2018 3:25 PM, W2xj wrote:
> must have been an old tx. The ones dating back around 60 years had
> front panel cranks and newer models did changes automatically.
He actually had to go into the cage and change taps on coils. I don't
remember the age/model of the TX but it was in service
It’s also a growing, dynamic therefore unstable collection of code. Wait for
it to mature.
Rick WA6NHC
Smell Czech correction happen
> On Dec 19, 2018, at 5:55 PM, Neil Zampella wrote:
>
> FWIW ... easier said than done, there's a lot more to it than there is to CW,
> RTTY, or even PSK.
>
Gene ...
if you were planning to buy a K2 kit, you should do that. It was a
pleasure, and a lot of fun to put together. The KAT2 will not work
with the KPA100 option for the reason Don pointed out also, and Don
correct me if I'm wrong, I'm not sure its rated for more than 20w.
The
FWIW ... easier said than done, there's a lot more to it than there is
to CW, RTTY, or even PSK.
Neil, KN3ILZ
On 12/19/2018 9:44 AM, Andy McMullin wrote:
I’d vote for that idea too!
Regards
Andy, G8TQH
On 19 Dec 2018, at 14:36, Bob N3MNT wrote:
Maybe add WSJT-X capability to PX3
--
must have been an old tx. The ones dating back around 60 years had front panel
cranks and newer models did changes automatically.
Sent from my iPad
> On Dec 19, 2018, at 2:40 PM, Phil Kane wrote:
>
>> On 12/18/2018 10:35 AM, W2xj wrote:
>>
>> I was referring to ham tuners but shortwave
I'm a past customer of Keyline trickle chargers and in the past few days have
been in touch with Customer Service there. I inquired as to what changes were
made in their announcing they have re-done their small chargers and why they
think the new versions are much better. I'm referring to the
Well, proceed as you must Gene, but building and operating a K2 is an
experience in radio like no other. And "Mr. K2" [Don] is always here to
help.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 12/19/2018 2:18 PM, Gene O wrote:
I should have first stated that I do not have any K2
but phasors are not matching networks. theoretically they are 50 ohms in and 50
ohms out although in reality that is not quite the case. in any rate the high
power sites i have built has the phasor at the highest power tower. at some
sites i put the phasor in its own building at the center of
On 12/18/2018 10:35 AM, W2xj wrote:
> I was referring to ham tuners but shortwave broadcast stations QSY
> with hundreds of kilowatts many times a day.
And a former friend who was one of th station operators at KGEI (SW
station now defunct) had the record time for changing bands on the 100
KW
If you’re using a BALUN is it saturating or ha anything changed in your antenna
system? Connectors checked for tightness?
Sent from my iPhone
...nr4c. bill
> On Dec 19, 2018, at 2:13 PM, Bob McGraw K4TAX wrote:
>
> I just performed a transmit test on 10M with my radio. CW mode, key
On 12/17/2018 7:45 PM, W2xj wrote:
> Coming from the broadcast side, especially AM broadcasting, I never
> considered resonance particularly important. Really it’s just the
> transmitter that cares. We always put matching at the antenna but in
> ham radio we usually have tuners at or in the TX.
I should have first stated that I do not have any K2 or any amplifiers
or tuners. Just asking questions in anticipation of getting a K2.
Reading manuals and seeing photos of k2s is not as good as seeing the
actual unit.
I am aware that the top of the KPA-100 is a black fined heat sink. I
Harv,
Can you please report your current draw, temperature, etc. in a similar
manner to what Bob observed when he tested his K3S.
Maybe with that data, we can make some recommendations.
73,
Don W3FPR
On 12/19/2018 4:26 PM, Robert Harvey wrote:
Hi:
Thanks for the information Bob. No, I
On 12/17/2018 2:43 PM, W2xj wrote:
> Remember this IS a hobby and to each their own. As an engineer, I do
> model and design what I use. I hate the “by guess and by golly”
> approach. Everything I do is carefully planned in advance and is a
> part of my enjoyment of the hobby but YMMV.
I too am
On 12/17/2018 11:03 AM, Fred Jensen wrote:
> Larson E. Rapp is using an alias now?
Haven't seen that author attribution for decades. Shows my age. :)
73 de K2ASP - Phil Kane
Elecraft K2/100 s/n 5402
>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
I just performed a transmit test on 10M with my radio. CW mode, key
closed, 100 watts into dummy load, PA current 17.38A as indicated on the
radio, PA voltage 13.6 volts as indicated on the radio. After a 2
minute key closed period the PA temp was 56 C and stable. Fans stepped
to max.
On 12/18/2018 5:41 PM, Brian Denley wrote:
> I got my Swiss Army Knife on board a Swiss Air flight back from
> Amsterdam. This was a year before 9/11 however.
I don't have a Swiss Army Knife any more (lots of things got lost
between my overseas assignment and divorce 20 years later) but I have
Gene,
Look at the top of the K2 - does it have a black finned heatsink? If
so, that is the KPA100.
If you have 2 BNC connectors at the ANT1 and ANT2 positions on the upper
rear panel of the K2, then the KAT2 is installed. BUT the KPA100 and
the KAT2 cannot co-exist since they occupy the
Wayne,
Some means to GPS-lock the frequency, ala the QRPlabs QLG1:
https://www.qrp-labs.com/qlg1.html
This would make running a number of really-low-power long-transmit-time
digital modes like WSPR and QRSS more practical.
Also, built-in Free-DV support would be really nifty, for all the
Harv,
Make sure that you are getting 13.8V at the K3 when it's in TX
Tap DISP and turn VFO B to **.* V to read that voltage.
73
Howard Stephenson K6IA
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I'm in search of a few finger dimples for a project that I am working on. A
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Can anyone tell me if I have a K2 with the KPA-100 and the KAT2 low
power auto tuner installed can it be operated at say 35 watts. I will
have a battery large enough to supply power. (Will not use this setup at
100W). Will the tuner work OK?
I've been hunting
Don,
Thanks, I figured it was something I overlooked in my search. I did not look
at the options. I do not have the KXIO2 option. I had no need for it.
73, phil, K7PEH
> On Dec 18, 2018, at 3:46 PM, Don Wilhelm wrote:
>
> Phil,
>
> Do you have the KXIO2 option in your KX2? If so, that
HI Don:
Understood, but the K3 is rated for full duty cycle on those modes, and this is
a new issue. I can certainly run it way under that and turn on the KPA500, but
still worry something is going south.
73
Harv
K2PI
Sent from Mail for Windows 10
From: Don Wilhelm
Sent: Wednesday, December
Check fans and cooling. Make sure airflow is not obstructed.
Bob, K4TAX
Sent from my iPhone
> On Dec 19, 2018, at 8:53 AM, Gadget Lust wrote:
>
> Hi Don:
>
> Actually, my issue is only on 10M. It appears that as I transmit, current
> consumption increases, and I get occasional high
Harv,
I think the key is what you said about "long cycles modes like RTTY".
Things heat up in those instances and the current will increase. The
only 'cure' is to reduce power. I would suggest running RTTY at a power
level of 50% of the CW/SSB rating for the transmitter.
73,
Don W3FPR
I’d vote for that idea too!
Regards
Andy, G8TQH
> On 19 Dec 2018, at 14:36, Bob N3MNT wrote:
>
> Maybe add WSJT-X capability to PX3
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
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>
Hi Don:
Actually, my issue is only on 10M. It appears that as I transmit, current
consumption increases, and I get occasional high current messages. This is
more apparent on long duty cycle modes like RTTY, and at higher power levels
(80-100W). If I watch, I can see current consumption
Harv,
I did not see the initial post (fault of Nabble vs. the real Elecraft
reflector), but High Current messages can be caused by a low impedance
at the antenna connection, or also a fault in the KPA3, like one output
transistor that is no longer functioning properly.
There are other
Maybe add WSJT-X capability to PX3
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Post:
John did you ever get an answer to this? I have a similar situation.
73
Harv
K2PI
--
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