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2 m. Band VHF Collinear

2 m. Band VHF Collinear
    After the dipoles and coaxial cables placement into the mast, its time for the final tuning
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post 14 Sep 2026



Antenna for UHF VHF Links →

154



Double Twin Quad Antenna Project for 70cm
    The Double Twin Quad Antenna for the two-meter band we were very surprised, if not deeply impressed, by its apparent performance


Gamma match
    The layot of the gamma-match,mnusthe capacitor, is one-half of a T


Embedded GSM antenna
    Embedded GSM antennas Lambda/4 the red coloured part of the picture view is the part of antenna that will radiate at the lower band GSM 850/ 900MHz. A+B+C+D = 79 mm


Easy antenna dual band VHF-UHF
    Questa antenna, concepita con l'aiuto di Yagi-Calculator, un piccolo programma molto pratico



Hamplus quality ham radio equipment

Hamplus Quality Ham Radio Equipmen Automatic Remote Antenna Switch for 3 Radio and 6 Antennas

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic

    Antennas Type

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4 Band CW QRP Transceiver

4 Band CW QRP Transceiver Homebrew 4-bander cw qrp transceiver for the homemaker, the design is based on a classic dc receiver and a class c transmitter

The Folded Dipole

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

Rf Directional Power Meter

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

Antenna Longwire lunghezza casuale

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 The vocal keyer for Yaesu FT1000 MarkV

Homebrew T-Match Antenna Tuning Unit

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

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

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

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