[Milsurplus] BC-344-D

[J. Forster]

OK. If it's a fault protector, you would not expect it to be glowing under
normal conditions. It may not be sick at all. You can easily test it with about
90 VAC or  VDC and a 1 Meg series resistor. If it glows, it's OK. Standard
warning about electrocution applies.

-John



WA5CAB at cs.com wrote:

> Joe,
>
> It is a shunt protector for the input (antenna) coil windings in the
> receiver.  Up to fairly reasonable currents, it limits the voltage applied to
> the coils to the ionization potential of neon, which if I recall correctly is
> 67 or 68 volts.  In many installations (SCR-399/499 for example) the receivers
> had their own antennas which were not spaced that far away from the
> transmitting antenna. [snip]
>