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2 meter ssb yagi plans for sideband
It was designed and optimized using 144.250mhz as the center frequency which is in the middle of the SSB portion of the 2 meter band and according to the program has a gain of 11.68dBi with a front to back (F/B) ratio of 37.44dB on a boom length of 8.68 feet
post 08 Apr 2024
Antenna for UHF VHF Links →
10 Euro dish with biquad feeder
The 10 euro satellite dish came with a LNB size adaptor such that 22mm copper water pipe could be used
2 meter VHF Antennas 7 elements and 10
2 meter VHF Antennas 7 elements and 10
2 Meter 5 Element Quad
I used EZNEC to model this antenna. I got the boom from a large UHF TV antenna that was 70 long
12 element zl speciale
155
The 10 euro satellite dish came with a LNB size adaptor such that 22mm copper water pipe could be used
2 meter VHF Antennas 7 elements and 10
I used EZNEC to model this antenna. I got the boom from a large UHF TV antenna that was 70 long
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
30 Volt Computer Power Supply Stack A bonus was that i discovered that these did not need a standby load connected to the supply to keep them running just apply mains power and close the Start lead to ground