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349 links - and 5 categories

Shortened 30m Dipole - DK1MI
This article describes the construction of a 9 50 m long dipole for the 30 ...

[ Hits: 126 | Votes: 1 | Rating: 1 ]

6m Oblong Loop Antenna - VK1NAM
Homebrew 6 meters antenna for SOTA and Parks activations.

[ Hits: 84 | Votes: 0 | Rating: 0 ]

Antenna too long! Capacitive couple with transformation to TRX. - dl7ahw
Wire antenna calculator with couple c for antennas that are too long.

[ Hits: 97 | Votes: 0 | Rating: 0 ]

Microvert Antenna for 40m by ON7IR - ON7IR
A mircovert antenna assembled for the 40m version of the DL7PE antenna A one meter ...

[ Hits: 154 | Votes: 0 | Rating: 0 ]

End Fed Antenna for WARC Bands - PA3DWC
I used a FT 240 43 for much more power not needed but beter safe ...

[ Hits: 188 | Votes: 1 | Rating: 3 ]
8010 Enfed Antenna - F5NPV
With this antenna the coverage is 80 40 20 15 and 10 meter band without ...

[ Hits: 142 | Votes: 0 | Rating: 0 ]
Delta Loop vs End Fed Half Wave on 20m - PH0NO
Intrigued by a German OM positive experience with a 20m delta loop the author replicated ...

[ Hits: 123 | Votes: 0 | Rating: 0 ]

Antenna Manufacturing: How to Prevent Galvanic Corrosion - G0UIH
Galvanic corrosion a destructive process triggered by dissimilar metal contact in a corrosive electrolyte poses ...

[ Hits: 55 | Votes: 0 | Rating: 0 ]

A cheap VHF UHF Yagi - US7IGN
Elements are aluminum TIG soldering rods 4 0mm of diameter almost 1m long these objects ...

[ Hits: 273 | Votes: 3 | Rating: 9.67 ]

Schoharie County Amateur Radio Association - SCARA
The Schoharie County Amateur Radio Association SCARA was established by a group of Schoharie County ...

[ Hits: 9 | Votes: 0 | Rating: 0 ]

Exploring the Spectrum From HF to UHF Frequencies - ARCAD
During radio s early days high frequencies were under 30 MHz due to technical limitations ...

[ Hits: 78 | Votes: 0 | Rating: 0 ]

HamDXMap - F5UII
This dynamic DX Map aggregates various resources that will help radio amateurs to operate their ...

[ Hits: 392 | Votes: 10 | Rating: 9.3 ]

KX3 assembly videos - VE9KK
Four part series of assembly videos of the Elecraft KX3 Even if these videos are ...

[ Hits: 32 | Votes: 0 | Rating: 0 ]

LW MW Antennas and More - Bernd Waniewski
A large archive of medium wave and long wave broadcasting antennas from all over the ...

[ Hits: 74 | Votes: 0 | Rating: 0 ]

Award Secretary - SP9AUV
Program for do application and endorsement for all ARRL awards 30 awards 18 for DXCC ...

[ Hits: 86 | Votes: 0 | Rating: 0 ]

Wave talkers: Introduction to AI in Ham Radio - WaveTalkers
WaveTalkers asked AI itself what it thought All of the content in the WaveTalkers AI ...

[ Hits: 36 | Votes: 0 | Rating: 0 ]

PCM Kestrel HF Transceiver - vk3yy
This article describes an upgrade to the Kestrel transceiver replacing its LCD display with a ...

[ Hits: 68 | Votes: 0 | Rating: 0 ]

A Comparative Study of APRS Tracks with 1W and 100mW LoRa Trackers - IZ7BOJ
Exploring LoRaWAN Range comparing the performance of 1Watt and 100mW LoRa trackers on daily commute ...

[ Hits: 48 | Votes: 0 | Rating: 0 ]
LoRa in Amateur Radio - USKA
About LoRa wireless communication technology designed to transmit data over long distances LoRa provides a ...

[ Hits: 102 | Votes: 0 | Rating: 0 ]

The battle with massive RFI problems in the shack - KC9ON
This fall winter 2 events has happened at about the same exact time I finally ...

[ Hits: 96 | Votes: 0 | Rating: 0 ]