Pictures of the transmitter of the HB9HD repeater

the components were built by:

transmitter DL7KH / Achim
mechanical work HB9BGR / Charly
power supply HB9SJE / Axel
power control unit HB9BGR / Charly
repeater controller, software HB9WNN / Thomas
rack mount construction, documentation HB9SJE / Axel
metal cabinet with 19" rack at Fronalpstock HB9WDG / Dani   HB9JAY / Walter
70 cm repeater HB9SJE / Axel
link receiver HB9SJE / Axel
10m antenna special construction HB9LCQ / Dani
mast for all our antennas HB9UVN / Willi

if you wish a higher resolution ... just click

Power Control Unit

Power Control Unit ba

Relais Board


Power Control Unit
19" Rack with 10m and 70cm units
70cm repeater
with 2 Motorola GM340

Controller Unit
Controller Unit back
some cables ...

Controller Unit back
Coax attach and grounding
Filters and coax attach


TX internals

TX internals

TX opended

TX internals