VFX1 - exciter/transmitter

One of the first "true HAMradio" products of the Czech Radioclub's Cetral Radio Manufactory (ÚRD - Ústřední radiodílny). This is a VFO/XO mixed exciter (or QRPP transmitter), delivering about 10mW RF power. CW only. At this piece is a crystal oscillator board missing. No more information, no documentation. Production date about the midlle of seventies.

Update: Josef OK1NOP lent me another piece of this apparatus, yet complete with the crystal board. See the last four photos. Now, I have to make a replica ...

© OK1UHU 2019