Antenna rotor clean up
l.i.papadopol
Some months ago I’ve received from the local A.R.I. radio club an old antenna rotor. I think it is a Daiwa but there is no label on it. It looks…
2019
Mosley TA-33-JRN
I’m an ham radio operator since year 2008. I’ve started this hobby with simple and relatively cheap equipment: an FT757GX transceiver and a long wire with tuner. During this 11…
High voltage generation from 3.3-5V
This post describes my standard DC-DC HV converter You know, to power up geiger tubes or photomultipliers there the need of high voltage at very low current drain. How to…