Bert Modderman:
bfq34 1.2 watt 23cm
Bert Modderman:
1180mhz amplifier
Bert Modderman:
10 ghz slot antenna with strong flange
Bert Modderman:
1240-1300 mhz filter 0.3db loss
Bert Modderman:
1296 mhz 28 mhz if filter
Bert Modderman:
1240 - 1320 mhz atv 23cm filter
Bert Modderman:
10ghz 2 stage amp
Bert Modderman:
1296 mhz amplifier 1kw 1000watt 19db gain
Bert Modderman:
13cm 2320 100 watt watercooled
Bert Modderman:
_MG_1591
Bert Modderman:
10ghz and 13cm slotantenna
Bert Modderman:
_MG_0592
Bert Modderman:
_MG_0593
Bert Modderman:
76 ghz
Bert Modderman:
76ghz
Bert Modderman:
10ghz circular feed with wr75 to wr90 transition.
Bert Modderman:
om6aa - pe1rki 10ghz circular feeds
Bert Modderman:
10ghz slot antenna 10.368ghz
Bert Modderman:
_MG_0366
Bert Modderman:
final test and approvement
Bert Modderman:
100 watt 430mhz circulator and 400 watt 1296mhz circulator
Bert Modderman:
modified ve4ma feeds
Bert Modderman:
Sequencers with relays or fet switches
Bert Modderman:
_MG_9791
Bert Modderman:
400-700MHz log periodic antenna
Bert Modderman:
_MG_9359
Bert Modderman:
10ghz septum feeds with dualmode horns
Bert Modderman:
_MG_9363
Bert Modderman:
_MG_9366
Bert Modderman:
_MG_5662
