Start
DL6WU antenna
Yaesu G-1000C
Antenna coupler
VSWR Saga
Dopplershift
Sunnoise
T-match
10Ghz 1Watt RF amplifier
10Ghz 3Watt RF amplifier
Varian TWT

ARTICLES

 

In this chapter you will find articles which may be of interest for you.

DL6WU modified DX antenna for 432Mhz
YAESU G-1000C rotor Variable Speed & Digital indication
Antenna couplers; easy design tool.
VWSR Saga. Where to look for?
EME Dopplershift prediction
Sunnoise measurements and results.
T-match for 432Mhz yagi
10Ghz RF Amplifier
Varian TWT RF amplifiers
Important note on Septumfeed construction find: here!
Latching Relay Driver for HP8761 series coaxial relay: here! ( Note: the ciruit needs min.19Vdc!!)
Environmental noise on 432MHz find: here!
EME'rs on 432Mhz are suffering with Faraday Rotation resulting in one way contact or so. Find here some explanation
For 10Ghz it is worthwhile to monitor the antennaposition using a moonnoise detector system. find description: here
RFMA7185 RF amplifier for 10Ghz. Find description: here!
PST rotator modification for absolute endocer. PA0HRK : here!

 

        My new Moonnoise Detector system