[Elecraft] Adding PTT Out Switching to a K3

[wa8wzg at wa8wzg.net]

To All..
while we are on this subject,,
I am looking for a way to to have a separate PTT out for Antenna 2...
I want to be able to control two different amplifiers PTT when switch 
from Antenna 1 and Antenna 2..
Any thoughts??
Thanks
Tom
N7GP
ex WA8WZG



On 2019-11-07 09:58, Bob McGraw K4TAX wrote:
> Connect the KPA-1500 via the ACC cable and thus free up the PTT
> output.    The system is very smart and works exceptionally well.   I
> use this method with my KPA500 and KAT500.
> 
> The PTT Out is connected to the VHF transverter.
> 
> 73
> 
> Bob, K4TAX
> 
> On 11/7/2019 10:44 AM, N4ZR wrote:
>> I need to be able to disconnect the antenna to my SDRs when 
>> transmitting.  This used to be easy but now my PTT Out jack is 
>> committed to the KPA-1500.  I'm looking for suggestions of how best to 
>> accomplish this - I don't believe sequencing is required, just a 
>> second PTT output.
>> 
>> Ideas?
>> 
>> 73, Pete N4ZR
>> Check out the Reverse Beacon Network
>> at <http://reversebeacon.net>, now
>> spotting RTTY activity worldwide.
>> For spots, please use your favorite
>> "retail" DX cluster.
>> 
>> On 11/7/2019 9:30 AM, Ray Albers wrote:
>>> ….thanks to comments and suggestions from K9ZTV and W2CS.
>>> 
>>> My K3 has the Sub Receiver installed, and I have been playing around 
>>> with
>>> diversity reception, using a random wire connected to the 
>>> sub-receiver
>>> antenna input BNC connector.  Apparently the carrier operated relay 
>>> that
>>> protects the receiver from overload is being triggered by lots of RF 
>>> coming
>>> into that random wire. When I disconnect the receive antenna, no more
>>> clicking. Now that I know what it is, I'll just ignore it. Or maybe 
>>> someday
>>> I'll rig a manual T-R switch arrangement to disconnect the sub 
>>> receiver
>>> antenna except when actually using it.
>>> 
>>> Thanks, gents!
>>> 
>>> 73
>>> Ray K2HYD
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