[Milsurplus] ARC-2

[David Stinson]

Howdy, Hue!
I did a lot of work on the AN/ARC-2 last summer and 
wrote-up most of it.
I tried many different itterations of the "tighten the IF"
schemes.   In short- none of them worked well and all
of them came with unintended consequences that degraded
performance in various ways.  Also- the center conductor
insulation of the shielded cables connecting stage to stage
and which you must unsolder to make changes
 has a very low melting point.  Even a 25 Watt iron in those
small spaces did damage to it.  
It would be very difficult to replace.  

I eventually decided that I wasn't going to try working
DXCC with an AN/ARC-2 in the first place.  I use it 
for local AM nets, CW when the bands aren't crowded
and enjoy it for what it is, which is "a cool radio."
I think it was the right decision.

GL OM ES 73 DE Dave AB5S

P/S/  Important:  Always replace metal tubes with 
metal tubes in the ARC-2;  never glass.
The metal shield is required.  Glass tubes in the IF
will cause the stages to go into oscillation and 
not in a "good" way.