Search This Blog

Sunday, 9 November 2014

I think we made it


Following on from all my transverting conundrums, I have finally finished the configuration today.

Here's how the setup is now configured:

It's been the PTT switching that's caused me the most confusion. I've ended up making a switch box containing a 4 way rotary switch that allows me to select 2, 4, 6 or HF. In the 4M selection position the PTT drives both the 4M transverter and the 4/6M linear, in the 6M position it's just the 4/6 Linear that's enabled.

I've written a load of Macros for transverter control that I issue using the Logger32 Radio Control Panel. Here's an example of the macro that takes the TS-990 into 144MHz transvert mode:

$COMMAND FA00028370000;$ 28MHz VFO Frequency
$COMMAND XO000116000000;$ offset 116MHz +ve
$COMMAND XV1;$ transvert on
$COMMAND AN00911;$ DRV on and RX ANT On

My only disappointment is that the radio isn't including the transverter offset in the results returned from the "IF;" command. That's the command that the Logger32 software repeatedly issues to the radio to determine the operating frequency.

For example, when the radio is configured like this:

You can see that the Transvert option is enabled as is the external DRV socket (that is the 0dBm output signal to drive the transverter) plus the RX antenna is enabled.

When the "IF;" command is issued to the radio, unfortunately it returns 28.370.00MHz as the frequency.

That's a real shame.

Local conditions.