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6 Elements VHF Yagi antenna
VHF Yagi homebrew antenna designed with YAGIMAX 3 and made by SV1XY
post 19 Aug 2024
Antenna for UHF VHF Links →
5/8 vertical antenna for 2 mt
Formed by 10 turns of 1 mm copper spaced 1mm
6 Elements VHF Yagi antenna
A 6 elements VHF Yagi "homebrew" antenna designed with YAGIMAX 3, with excellent results on local and satellites contacts
70 cm vertical antenna
Stylus length 427mm, coil 5 turns, with 4 radials 163mm
900 MHz 7 Element Delight Yagi Antenna
The T-Match eeding a Balanced Dipole. A suitable 4:1 balun is used in conjunction with the T-Match to perform this function
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Formed by 10 turns of 1 mm copper spaced 1mm
A 6 elements VHF Yagi "homebrew" antenna designed with YAGIMAX 3, with excellent results on local and satellites contacts
Stylus length 427mm, coil 5 turns, with 4 radials 163mm
The T-Match eeding a Balanced Dipole. A suitable 4:1 balun is used in conjunction with the T-Match to perform this function
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