[Milsurplus] GRC-109 on AM

[Military1944 at aol.com]

Hi all, 
 
Has anyone tried using the GRC-109 on AM ?  I notice its cathode keyed  
though the osc and pa are keyed together. I further notice that the 10 pin keyer  
socket with its plug shorts the osc and pa cathode together, so, using another  
plug one could ground the osc cathode separately while then cathode 
modulating  the pa. Also, on the same plug the pa screen volts are accessible, so the 
pa  could be screen modulated. 
 
Has anyone tried this ? 
 
cheers, Ben. G4BXD



   
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