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HF-NVIS and VHF Antenna
- This describes a portable antenna system that can provide both fifty mile range on 2 meters and 300 mile NVIS HF coverage on the 40M and 75M band
post 23 Apr 2026
Antenna for UHF VHF Links →
Antenna double bands 144/432 mhz
Questa antenna e' lunga circa 1,5 metri solo circa 30 centimetri in piu' di una quattro elementi a spaziatura costante classica
Antenna YAGI a 6 elementi per i 2 metri
Il boom e' lungo 1,75 m sezione 1,8 x 1,8 cm, il riflettore 50,3 cm, il radiatore 48,9 cm, d1 44,9cm, d2 44,3 cm, d3 40,8 cm, d4 39,5cm
Antenna Yagi 4 elementi UHF
Adaptation with hairpin on uhf is very functional and stable, and above all it is preferable to the match range
Antenna Double loop rx satellite 137.5mhz
operating frequency = 130 to 170 MHz ,center frequency = 137.5 MHz, perimeter of loops = 227 cm, material used = copper or aluminum = 227x3x0.2 cm, horizontal polarization gain 3 dbd
Antenna for 6 meter band Halo
A square folded dipole radiates in all directions, with -4dB gain on the sides compared to the front and back side
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Questa antenna e' lunga circa 1,5 metri solo circa 30 centimetri in piu' di una quattro elementi a spaziatura costante classica
Il boom e' lungo 1,75 m sezione 1,8 x 1,8 cm, il riflettore 50,3 cm, il radiatore 48,9 cm, d1 44,9cm, d2 44,3 cm, d3 40,8 cm, d4 39,5cm
Adaptation with hairpin on uhf is very functional and stable, and above all it is preferable to the match range
operating frequency = 130 to 170 MHz ,center frequency = 137.5 MHz, perimeter of loops = 227 cm, material used = copper or aluminum = 227x3x0.2 cm, horizontal polarization gain 3 dbd
A square folded dipole radiates in all directions, with -4dB gain on the sides compared to the front and back side
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