National NCX-D 12 volt DC power supply for NCX-3 (or other??) transceiver. Good condition, ratty copy of manual and with mounting plate and cabling. Output is rated at: 12v, 700v @ 50-300 ma, 280v @ 125 ma and bias of -80 @ 10 ma. Asking $50 + shipping. Thanks - Bruce, KD5IUG