[ARC5] Antenna coupler used with APN-9?

[Michael Hanz]

It's a CU-92/APN, Mike.  I have a couple of NIB that have the schematic 
sheet inside, but I couldn't find them in a quick sweep of the shack.  
The boxes make nice housings for a transition from 50 ohm distribution 
to a push post device in the shack.

73,
Mike  KC4TOS

On 12/29/2016 4:23 PM, Mike Everette via ARC5 wrote:
> Does anyone know the number of the little antenna coupler box used 
> with the APN-9 LORAN receiver?  I think its purpose was to connect the 
> APN-9 to the same antenna as used by the liaison receiver (BC-348, 
> ARR-15 or ARR-41 perhaps).  It has an SO-239 receptacle and push posts 
> for the antenna (and one of the receivers).
>
> What is the circuit of this unit?  Does it match the wire antenna to 
> 50 ohms somehow for the LORAN set?
>
> I have one of these with the nomenclature removed, so even though I 
> know what it is, it's still a whatzit... wanted to maybe use it to 
> connect a BC-348 to an antenna using a 50-ohm electronic TR switch, 
> either with the coupler as-is or modified as necessary.  Anyone have 
> an e-mailable diagram and perhaps the specs for the coupler?

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