[Milsurplus] [Glowbugs] Re: A military surplus question please ( Long! )

[WA5CAB at cs.com]

Hue,

You are thinking of the Command variants, where the bias network is in the 
dynamotor.  The Liasion variants like the RU-18 have the bias network in 
each receiver.  Of course, as with the BC-348's, if you ground the B- you short 
out the network.  Also like the BC-348's.

Robert

In a message dated 06/18/2012 17:52:27 PM Central Daylight Time, 
kargo_cult at msn.com writes: 
> Mike, as a youngster, how did you ever figure out how to connect up the 
> RU 
> receiver
> ( U.S. Navy aircraft TRF receiver ), and then how did you power it up? I 
> still find the
> control box connections confusing, and to operate it right, I think it 
> needs 
> something
> like -70 volts bias for the AGC to work right.
> -Hue
> 
> -----Original Message----- 
> From: w7dra at juno.com
> Sent: Saturday, June 16, 2012 8:10 PM
> To: kargo_cult at msn.com
> Cc: tetrode at googlegroups.com ; milsurplus at mailman.qth.net
> Subject: Re: [Glowbugs] Re: A military surplus question please ( Long! )
> 
> i wnt there many times. my mother bought me a BC312 there, to replace the
> RU18 i was using as a receiver. i guess there is where i got my affinity
> for ARC5 stuff...................
> 
> the univ store had lots and lots of BIG tubes (813/250h type)
> cant remember buying much thre though - had to get there on the bus
> 
> i could get to the WS store on my bike
> 
> mke w7dra
> 
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480