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VHF/UHF Portable Satellite Antenna
The antenna performance should match or surpass the Arrow antenna. The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements
post 30 Jun 2024
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
Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal