Quad or loop antenna

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Quad or loop antenna

Quad or loop antenna

The feedpoint of a full wave length 1 × λ loop or cubical quad QQ has an characteristic impedance of approximately 115 Ω

post 15 Feb 2025

Antenna Quad Links →

25

Swiss Quad Portabel
Feeding with feeder to a 1: 4 balun

Teoria sulle cubical quad
Antenna con un superguadagno, si tratta di una doppia quad in parallelo con un'altra identica

Quad Orizzontale tutte le bande dagli 80 ai 2 metri

Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

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

40 meter Phased Array An used coaxial delay lines in his two-element phased array, and some users still use delay lines with good results

Cat display yaesu ft 817 External CatDisplay for the YAESU FT817 by DL6NCI, project ZL1CVD

Compact digital mode usb interface The interface separates your rig from your computer through its built-in audio transformers and optocoupler to avoid ground loops and RF interference

Morse Walker morse runner Morse Walker is a CW pileup trainer inspired by VE3NEA's Morse Runner with modes such as POTA, SST, and CWT, plus beginner-friendly features, including adjustable speeds and Farnsworth spacing

A 2 transistor transmitter from a 9v battery This is a simple project it's a version of the pixie 2 as implemented by w1fb,just the transmitter

Compressor clipper for FT-817 I have described the function of an HF clipper on my website and here I go into some special features of the HF clipper for the FT-817

Capacitive Loaded Vertical Doublet My linear-loaded vertical doublet has been doing an excellent job the past two years, but it's time for a change. I've wanted to play with a twin-T capacitive loaded vertical doublet design

Carico Fittizio 50 ohm Il carico fittizio che vi illustro brevemente è stato realizzato assemblando in parallelo alcuni restore