[ARC5] Motorola and GE Mic ID

[Mark K3MSB]

I picked up a few $1 hand mics at the local fester on Saturday in the hopes
one would be an electret.    There are two of them that I can't determine
if they're dynamic or electret:

General Electric 19c32027061
Motorola HMN1031a

There's a TON of info on the web,  but not one site will tell me if it's
dynamic or electret....

This is for my SCR-274N AM efforts....

73 Mark K3MSB
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