[Elecraft] Keying CW in SSB Mode

[Jessie Oberreuter]

      This is mostly a problem if you have external transverters, amps, 
pre-amps, etc. that don't take kindly to QSK operation.

      My solution to this problem is to use the PTT (a foot-switch in my 
case) to key the transverters, but not the rig.  I'm using a stack of 
Elecraft's external transverters connected to the low-level XV interface. 
If I key the rig without first keying the transverters, nothing happens; 
the low level drivers aren't phased by being unterminated.  When I press 
the foot switch, the selected transverter goes through its regular 
sequencing, but doesn't key the K3, so CW-in-SSB still works.

      I personally leave the K3 in vox mode, but the situation is the same 
with, say, a hand-mike.  Push the foot switch to sequence the 
transverters, amps, pre-amps, etc., then PTT on the mike or just have at 
it with the keys/paddles.

      In terms of wiring, I simply disconnected the transverter stack's 
key-in and key-out lines from the K3, and wired a foot switch to the 
stack's key-in line.

-kb7psg


On Wed, 5 Jul 2017, Ian White wrote:

>> It is very common on VHF to switch to CW to call a guy who is transmitting
>> on SSB, most often after calling him on SSB doesn't get through. CW in SSB
>> makes it unnecessary to switch modes to do so.
>>
>> 73  -  Jim   K8MR
>
> But Elecraft's implementation of CW-in-SSB contains a bug that makes it almost unusable for the intended purpose.
>
> If signals are too weak for SSB, then it is almost always necessary to use *slow* CW - probably much slower than the regular CW settings, resulting in frequent and unwanted relay dropouts.
>
> The normal, obvious 'fix' for these dropouts is to engage PTT for the duration of the transmission, and this works fine in regular CW mode. But when using CW-in-SSB it inexplicably does the exact opposite: engaging PTT *disallows* all CW output!
>
> This bug has been reported a number of times and is still waiting to be fixed.
>
> 73 from Ian GM3SEK
>
>
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