Glen Cummings

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Glen Cummings
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Image result for homebrew vhf uhf duplexer

Image result for homebrew vhf uhf duplexer

Image Gallery Cavity Filter

Image Gallery Cavity Filter

DX Engineering 80 Meter Self Supporting Heavy Duty Vertical Antennas, model DXE-7580FS-VA-2, are high performance vertical antennas specifically designed for the 75/80 meter band. These DX Engineering 68 ft. vertical antennas allow you to achieve the strongest possible presence at your power level and be competitive. These are FULL SIZE, quarter-wave vertical antennas that deliver fantastic specs and the highest possible performance at a price that can easily be justified Find DX Enginee...

DX Engineering 80 Meter Self Supporting Heavy Duty Vertical Antennas, model DXE-7580FS-VA-2, are high performance vertical antennas specifically designed for the 75/80 meter band. These DX Engineering 68 ft. vertical antennas allow you to achieve the strongest possible presence at your power level and be competitive. These are FULL SIZE, quarter-wave vertical antennas that deliver fantastic specs and the highest possible performance at a price that can easily be justified Find DX Enginee...

K4HKX - Callsign Lookup by QRZ.COM

World's leading amateur radio web site with news, technical articles, discussions, practice exams and more.

The longest part is 530 mm, easy fit to your backpack. Very easy and fast deploy. Great for SOTA and portable operation. Can be used in horizontal or vertical polarization. Not good for windy weather.

PE4BAS Amateur Radio Weblog: Radioactivities weekend.

PE4BAS Amateur Radio Weblog: Radioactivities weekend.

6dB COLINEAR VHF ANTENNA by SM0VPO

6dB COLINEAR VHF ANTENNA by SM0VPO

A new design of Broadband HF vertical antenna ________________________________________________________ Il progetto è stato pubblicato in RadCom © di maggio-giugno 2014 RSGB www.RSGB.org e fu poi insignito del Premio RSGB 2015 Bennett nel riconoscimento di un 'contributo significativo o l'innovazione, che promuove l'arte della comunicazione radio Il progetto completo dell'antenna è liberamente disponibile per uso non commerciale.

A new design of Broadband HF vertical antenna ________________________________________________________ Il progetto è stato pubblicato in RadCom © di maggio-giugno 2014 RSGB www.RSGB.org e fu poi insignito del Premio RSGB 2015 Bennett nel riconoscimento di un 'contributo significativo o l'innovazione, che promuove l'arte della comunicazione radio Il progetto completo dell'antenna è liberamente disponibile per uso non commerciale.

16:1 Balun

16:1 Balun

Shortened EFHW Antenna 80-10m, How Common Mode Chokes Work, Multiband trapped end fed antenna, RF Safety at Field Day, WSJT-X, Yaesu Mark V FT 1000 MP, Adventure Radio Society

Shortened EFHW Antenna 80-10m, How Common Mode Chokes Work, Multiband trapped end fed antenna, RF Safety at Field Day, WSJT-X, Yaesu Mark V FT 1000 MP, Adventure Radio Society

44 useful links about Raspberry Pi Ham radio projects collected in Technical Reference/Raspberry Pi at The DXZone

46 useful links about Raspberry Pi Ham radio projects collected in Technical Reference/Raspberry Pi at The DXZone

20140831_160942

20140831_160942

Construction of AM88 Vertical Antenna

Construction of Vertical Antenna