[time-nuts] AN/URQ-10A standard docs

[Hal Murray]

scmcgrath at gmail.com said:
> The USS Iowa Radio room team was looking for URQ/10’s to restore the ships
> radio systems a while back 

What was it used for?

I'm guessing for tweaking the frequency of radios as their crystals drift.  
How many radios does a WW II battleship have?  How many after various 
upgrades?  (The URQ/10 manual said 1966.)

Does it matter if a radar set drifts off frequency?  I'm assuming that the 
transmit and receive side would be locked together.

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