[Milsurplus] Command Set Receiver Coffee-Grinder

[gl4d21a at juno.com]

Back around 1950 I was in a high school dorm which was adjacent to a 
A-N beacon north of the Corpus Christi airport.  Talk about 
impossible to experiment with radios.  Cryatal sets tuned anywhere 
emitted a continuous letter, I don't recall whether it was A or N.  
Finally took a headset, crystal and a few feet of wire and walked 
around the periphery of the property along the fence.  Sure enough, 
just like the book says about individual letters merging into 
continuous tone, etc.

Now, on the just above the BC band beacons, I think I previously 
reported on here finding a small shack with a BC610 down near Port 
O'Connor transmitting some sort of modulated signal in that frequency 
range which I later learned was part of an extensive series of shore 
beacons used by offshore drilling operations.  Down at the Gulf 
Coast, tuning from 1600 to 2500 kHz found all kinds of strange and 
wonderful signals, none of which made much sense to a communications 
type like me, but were obviously useful to someone for navigation.

73,
George
W5VPQ


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