On 9/21/2013 12:09 PM, Bob McGraw - K4TAX wrote:
I have had to add some characters in front of a data string to allow
one of the radios for another application to key up and start
transmitting.
Now that being the case, as your configuration drops the first dash of
your call, why not add a "T" in front of your call. It would then
drop the "T" and send your call.
TK2XN. If the "T" is missing then K2XN would be legally transmitted.
There's a far better cure, and which Ten Tec has used since the Omni A.
The cure is to activate the PTT relay 8-10 msec before sending RF. In
other words, delay RF by 8-10 msec. As I recall, that pre-TX keying
signal is called the "T-line" in that older gear. In some newer Ten Tec
gear you have to go in and find it, then bring it out to the rear panel.
I think I had to do that in my Omni V. The delay is built into many
other rigs, like the TS-850, FT-1000-series, K2, and K3. In the
FT1000-series and the K3, the delay is adjustable via a menu. In the 850
and K2, it's fixed at something like 8-10 msec. I've successfully used
an 850, MP, and K3 to key my Titan, Herc II, and Herc I (long ago sold).
And it's even fast enough to follow QSK up to about 25 wpm. At faster
speeds the CW elements get too short.
73, Jim K9YC
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