Magic QRP SWR Bridge v.3
want to buy KIT of Magic Bridge please look at
K6VHF`s info here
Lighting Protection for Rotors
If you want
to use your old HF tranceiver in VHF in EME or MS QSO -
you must increase stability of frequency. For example -
i use my old IC745 with my 144/28
XVTR . I have good total value of frequency stability
for long sending cycle without TXCO. You need only some
a bit of polypropylene for VCO, 2nd LO and LO.
In old tranceivers
often was problem with switchknobs XIT/RIT.
is - to use old switchknobs XIT/RIT for control of good
relay. Now only clear of relay ladder with good contact
will be control XIT/RIT . For example - i use russian relay
RES-49 in easy layout !