antenna   4427

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The AIR BOSS antenna launcher was designed to launch a light fishing line over trees in order to create temporary antenna for ham radio operators. Since then it has also found other uses installing cable in ceiling voids.

The AIR BOSS antenna launcher uses compessed air to lauch a 2oz lead weight pulling a light fishing line. Once the weight is retrieved, the antenna or another line can be fastened to the fishing line and the line retrieved to erect the antenna.
ham  radio  amateur  antenna 
20 days ago by mwishek
J-Pole Antennas for 144 and 440: 3 Steps
J-Pole Antennas for 144 and 440: Since my rotor snapped and my 2m quad fell with it I needed a simple temporary antenna I made a couple of plumber's delight J-poles see here:
antenna  ham  radio 
23 days ago by bjbishop
G5RV Jr. (Half Size) Ham Radio Antenna: 5 Steps (with Pictures)
G5RV Jr. (Half Size) Ham Radio Antenna: This project gives instruction on how to build my version of the G5RV wire antenna that is used on the 10-40 Meter Ham Radio bands (28MHZ to 7MHZ).

The history and basic theory of this antenna dates back to 1946. It was invented by Louis Varney. ...
ham  radio  antenna 
23 days ago by bjbishop
AA5TB - Small Loop Antennas
Small transmitting loop antennas by AA5TB.
antenna  ham  radio  hamradio  antennas 
5 weeks ago by bjbishop
Coaxial Collinear Antenna for ADS-B
Coaxial collinear (COCO) antenna for the ADS-B receiver. Construction, protection against lightning and static electricity and results of the tests are described in this report. Significant improvement of the polarogram was achieved.
ads-b  antenna 
8 weeks ago by LachmanBhatia
Constructing an ADS-B Collinear Antenna | EI6GSB
Construction of a coaxial collinear antenna for ADS-B plane-spotting at 1090 MHz
antenna  ads-b  electronics 
8 weeks ago by LachmanBhatia

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