2 m. Band VHF dipole collinear

2 m. Band VHF dipole collinear

Collinear antenna project, wich gives a gain of about 5,1 DBi with 2 dipoles and 8,1 DBi with 4 dipoles Omni directional

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post 14 Sep 2026

Antenna for UHF VHF Links →

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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

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The Folded Dipole The Folded Dipole is not used much amongst Radio amateurs, probably due to the fact that this antenna uses twice as much wire as a single-wire dipole

15 Element Wire Log-Periodic 7MHz 30MHz Balun necessary, Double-boom 60/18mm, electrically fed = increased gain

Antenna Longwire lunghezza casuale Vi occorre un antenna semplice e di sicuro funzionamento, in pochi minuti potrete costruirvi una Long Wire di lunghezza casuale

The Vocal Keyer The vocal keyer for Yaesu FT1000 MarkV

Homebrew T-Match Antenna Tuning Unit Build a new ATU that would cover 160m and also handle much more power

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

Calcolo induttanza bobina in aria Nei dati immessi usare il punto (.) come separatore e non la virgola