Jim, a triggered sweep scope and a dummy load?
Amateur Radio W5YR - the Yellow Rose of Texas
Fairview, TX 30 mi NE of Dallas in Collin county EM13QE
"In the 57th year and it just keeps getting better!"
----- Original Message -----
From: "Jim Reid" <firstname.lastname@example.org>
Sent: Tuesday, April 29, 2003 6:52 PM
Subject: [TenTec] Orion External T/R Switching
> While waiting for hardware.......
> Am passing time reading the .pdf version of the Orion
> manual downloaded from the TT web site.
> I have a Henry linear, so is not a QSK amp such as TT
> sells. I would like to know two bits of info:
> 1. After CW key down, and the "get ready" signal is presumably
> sent via the External T/R line from the Orion to the amp immediately,
> how many milliseconds pass BEFORE RF exits the Orion
> coax terminal??
> 2. The Orion manual then describes how to adjust the T/R
> hold time after key up. But does so in terms of percent;
> factory default seems to be 20%...... of what??
> So many milliseconds, or a percentage of a dit time, or ???
> Anyone know answers to these questions, sure don't want
> to be hot switching my linear inadvertently! That is having the
> relays over there making/breaking while RF is flowing!
> I had been using an Ameritron QSK-5 switch with my Omni VI+,
> before selling it, and after, with my Pegasus. But the Ameritron
> gadget just had too many problems keeping it going, so have
> removed it and lost both QSK ability and my protection from hot
> So, really would appreciate answers, if anyone has them.
> 73, Jim KH7M
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