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Project 2m Halo for 144 MHz


Project 2m Halo for 144 MHz

Polarisation is horizontal while the radiation pattern is omnidirectional

post 19 Jul 2024


Antenna Halo Links

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Halo Una semplice antenna 144mhz
Una striscia d'alluminio larga almeno 2 cm., lunga 96 cm., ricurva su se stessa, e chiusa agli estremi da una striscia di materiale isolante

Squalo antenna for 6m
Squalo antenna, or square halo. In fact, it's just a square folded dipole

Stacking 2 Meter halo antenna
Build and install a pair of halo antennas for use on 2 meters SSB

The homebase 10 halo antenna
Simple to make wire halo antenna for 10m 28MHz built using parts available from the local DIY store


23cm Yagi Antenna building

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

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

interface-for-digital-broadcasts-with-integrated-audio

Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free