Hits
Portable Yagi work on 144MHz
The antenna is matched to the coax using delta arms and a 4:1 coax balun to the dipole. The balun was constructed in the standard way using a loop of about 71cm
post 14 Dec 2024
Antenna for UHF VHF Links →
Hb9cv Antennen fur 2m,6m,10mt
When compared to two-element antennas of conventional design, it can be assumed that the HB9CV gain of approximately 4.2 dBd 1 is about the same as that of classic beam / reflector and radiator / director combinations
Hen antenna per i 144 mhz
La Hentenna rientra tra le antenne Loop, come classificazione, ma come funzionamento e un mondo ase' stante
HF-NVIS and VHF Antenna System
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 bands
Lightweight 4 Element Yagi for 144.3MHz
Antenna up at 1.4mm stainless steel rods and 11mm PE installation tubing as used by electricians
150
When compared to two-element antennas of conventional design, it can be assumed that the HB9CV gain of approximately 4.2 dBd 1 is about the same as that of classic beam / reflector and radiator / director combinations
La Hentenna rientra tra le antenne Loop, come classificazione, ma come funzionamento e un mondo ase' stante
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 bands
Antenna up at 1.4mm stainless steel rods and 11mm PE installation tubing as used by electricians
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