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Antennas : End-Fed- The Pop-Up Vertical 2.0
- WB3GCK
Basically this antenna is a 23 foot wire fed through a 4 1 un un ...[ Hits: 254 | Votes: 0 | Rating: 0 ]
- A More Efficient Magnetic Loop Antenna
- AA8C
The idea behind this antenna was to use multiple conductors in parallel to reduce the ...[ Hits: 215 | Votes: 2 | Rating: 5.5 ]
- Build the K1FM-Loop
- K1FM
The latest version of the K1FM Loop is electrically similar to the previous one but ...[ Hits: 102 | Votes: 0 | Rating: 0 ]
- RX Loop antenna
- PA5HE
This loop antenna is intended to be connected as an antenna for receivers that do ...[ Hits: 60 | Votes: 0 | Rating: 0 ]
- VHF UHF BiQuad
- KE4UYP
This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized ...[ Hits: 177 | Votes: 0 | Rating: 0 ]
- HF DXView Propagation Map
- NG0E
This map shows real time radio propagation from stations operating on 11 bands between 1 ...[ Hits: 304 | Votes: 5 | Rating: 7.6 ]
- TN8K Congo 2023
- TN8K
Dates Arrival January 6th Departure January 21th 2023 Call sign TN8K Operators Petr OK1BOA Petr ...[ Hits: 32 | Votes: 0 | Rating: 0 ]
- ADIF Processor Map QSOs with Google Earth
- M0NOM
The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF ...[ Hits: 406 | Votes: 3 | Rating: 7 ]
- TX5N Log Online
- TX5N
Online Log for TX5N DX Pedition to Austral Islands 2022[ Hits: 275 | Votes: 4 | Rating: 7 ]
- W0CW Kansas City DX Club
- K0XM
Established in the mid 1970 s The Kansas City DX Club is an ARRL affiliated ...[ Hits: 55 | Votes: 0 | Rating: 0 ]
- Countries with CEPT Licence
- DK5JI
A document that includes a list of all countries implementing CEPT licence with detailed information ...[ Hits: 177 | Votes: 3 | Rating: 9 ]
- Radio Scout Frequencies
- K2BSA
Information on frequencies suggested as Scout amateur radio frequencies These were initially suggested by the ...[ Hits: 45 | Votes: 0 | Rating: 0 ]
- Satellite Frequency List
- JE9PEL
All Satellites Frequency List Update A complete list of satellite frequencies available in several formats ...[ Hits: 141 | Votes: 1 | Rating: 1 ]
- How to call CQ as an HF QRP station
- qrper.com
Tutorial How to call CQ as an HF QRP station in SSB Phone Calling CQ ...[ Hits: 132 | Votes: 3 | Rating: 4 ]
- Elecraft K2 Preselector Modification
- NJ0IP
Although most Preselectors are designed with an internal T R relay theoretically enabling direct insertion ...[ Hits: 191 | Votes: 0 | Rating: 0 ]
- MFJ-434 Voice Keyer
- MFJ
Let this microprocessor controlled MFJ Contest Voice KeyerTM call CQ send your call and do ...[ Hits: 57 | Votes: 0 | Rating: 0 ]
- AllScan
- David NR9V
AllScan is a free and open source web app for AllStar nodes that provides Favorites ...[ Hits: 20 | Votes: 1 | Rating: 8 ]
- 12v Battery Charger
- XQ2FOD
Well firstly the 12 Volt source will typically vary anywhere from 11 Volt to 15 ...[ Hits: 80 | Votes: 1 | Rating: 10 ]
- Demonstrating AM sidebands
- PA3FWM
Amateur radio courses teach that in amplitude modulation sidebands arise This can be proven mathematically ...[ Hits: 65 | Votes: 0 | Rating: 0 ]
- A Simple Spectrum Analyzer
- AA8C
This is a swept filter spectrum analyzer Basically RF and swept oscillator signals are fed ...[ Hits: 121 | Votes: 0 | Rating: 0 ]
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