RU/GF set.   Dual frequency transmitter and receiver coils. 

Mark D. 
WW2RDO

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

Sent from my iPhone

On Sep 26, 2022, at 10:30 PM, Hubert Miller <[email protected]> wrote:



OH I pulled the trigger too soon. Text does not say SBD-5 had “two channel MHF”. SBD-5 is undefined more closely than “MHF”.

I am thinking, GP + RU.

-Hue Miller  

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