[R-390] R391

[Roger Ruszkowski]

Richard,

The R391 was a signal corps receiver.
It went with a transmitter that also had auto tune / select crystals.

When the world was RTTY HF you had your R391 and transmitter set up on pre
selected frequencies and had your daily traffic net. You know about 
 daily traffic nets as you made a living copying them from Asmara Ethiopia  and rerunning
tape recordings at Vint Hill Farms.

You had a pair of R391 set up to do diversity receive.
On time you auto tuned your R391 over to the proper frequency and loaded a new roll of paper
in the RTTY printer. Loaded two punch tape machines with fresh tape. 
And copied all the incoming traffic for the scheduled event. 
Then you loaded an out going  punched tape in the tape reader 
and when your turn came hit the transmit button. 
Once a day the chain of command worked bottom up Please boss I need the following.
Once a day the chain of command worked top down you shall do the following EXACT FOLLOWS.

You not only copied it to printer but also copied it to one or more punch tapes.
Because you did not know what parts were going to be relayed.
And you also wanted to make sure you got a good tape copy to retransmit thus two tapes were punched.

A lot of the stuff was orders.
You loaded a tape with an exact set of orders in a tape reader.
Put a minugraph master in the printer.
Run the tape to cut a minugraph stencil.
Put the stencils in a minugraph machine and litterly cranked out 50 copies of the orders.

We ran an Army, Navy, Air Force, Marine Corp, Coast Guard, and Logistical support around the world on the system.

You do not know how much traffic your R391 received in its day.

I knew guys who could tare tape and re punch tape to edit traffic faster than I can do mail here on my keyboard.

Welcome aboard.

Roger AI4NI  33C4H  68 - 75 Ft, Devens student, Phu Bia Viet Nam, Korea, Fort Devens Instructor and Okinawa Shop supervisor / Trick Chief.



I am new here with my first post. In the 60's I was a morse code inteceptor in 
the Army Security Agency stationed in Asmara Ethiopia and Vint Hill Farms. I 
used a R390 exclusively. About twenty years ago I bought a R390 from a HAM in 
Maryland and it sat covered up for years. Well, now I am retiring at the end of 
the year and decided to get back to getting my license and getting my radio 
restored. I got it cleaned up and now find that it is a R391. The auto tune 
version of the R390/A. I took it to Howard Mills for restoration and was emailed  
a day ago stating that it is finished waiting for pickup. Does anyone know who 
used the R391? Was it the Naval Security Group, Army Security Agency, etc? I 
find that there were only about 1450 produced but there is very limited info on 
the web. Anyone use one?
Thanks,
Rich

Sent from the IPAD of R. J. Wojnar

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