[ARC5] Command Sets and Interference

[Sean Barton]

Dave,

Here is the data I collected on the tuning settings of the transmitters on 
various loads:

Load          X-mtr     Roller     Coupling     Ant. Current
33' wire      '696      15          10               0.5
with cap     '459      10          10               0.5

16.5' wire   '696      18          10               0.5
with cap     '459      13.5        7                0.75

16.5' wire   '696                won't tune
no cap       '459       7.5         7                0.5

dummy      '696      12.5         5               3.0
                '459      8.5          4                5.0

The dummy load is based on the A-61 phantom antenna and consists of the 
vacuum cap in series with a 6-ohm resistor between the transmitter antenna 
terminal and ground.  The cap is connected in series with the antenna where 
indicated.

I also wipped up an unun based upon some info on a website.  I made it using 
a T200-2 core wound with 10 bifilar turns of #18 stranded wire.  Into a 
50-ohm dummy load I was getting about 10 watts output on CW with the roller 
inductors set at 0 and the coupling set at 10 on both transmitters.

Sean

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