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The HB9CV 144 Antennas
The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd
post 19 Dec 2024
Antenna for UHF VHF Links →
Halo una semplice antenna 144mhz
L'aereo e' formato da una striscia d'alluminio larga almeno 2 cm., lunga 96 cm., ricurva su se stessa
HB9CV for 145 mhz
Its excellent performance, practically that of a 3 elements under a smaller footprint, is worth its success. The boom is twice as fast as that of a 3-element yagi
HB9CV UHF 70 cm 435 MHz
This antenna is extremely simple to make, with common materials
High Performance Antenna Stack for 2m
Our main antenna system that is composed of two 15el. DL6WU stacked vertically has around 3 dB
150
L'aereo e' formato da una striscia d'alluminio larga almeno 2 cm., lunga 96 cm., ricurva su se stessa
Its excellent performance, practically that of a 3 elements under a smaller footprint, is worth its success. The boom is twice as fast as that of a 3-element yagi
This antenna is extremely simple to make, with common materials
Our main antenna system that is composed of two 15el. DL6WU stacked vertically has around 3 dB
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
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