[Elecraft] TX DLY on SSB for sequencing VHF preamp

Palle Preben-Hansen, OZ1RH palle at oz1rh.com
Sat Nov 5 17:34:55 EDT 2016


I have a K3 with the K144XV 2M Internal transverter for 144 MHz and I want
to use a linear and an external mast mounted preamp for 144 MHz. This
preamp must be switched out of the transmission line before any TX power
goes to the antenna.

In the K3 manual the setting TX DLY adjusts the delay between keying the TX
and RF coming out. However the manual only describes this for CW. Does TX
DLY also apply in SSB or DATA? In other words when I use the Digital Voice
Recorder for calling CQ on SSB will the RF be delayed by the number of ms
specified in TX DLY? And does this delay occur at the HF output 1.8-50 MHz
and at the output from the Internal transverter for 144 MHz?

73, Palle, OZ1RH
www.oz1rh.com
OZ9EDR/OZ5W/OZ2RF/OZ1HQ contest teams
www.oz9edr.dk


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