all band hf
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Antennas : 20M : 20 meter Vertical Antennas- 4m Tall Vertical Dipole for 20m
- TF3LJ
Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...[ Hits: 95 | Votes: 0 | Rating: 0 ]
- Moxon Mania - Building the Ultimate 4-Band Moxon Antenna
- W7JMP
The article details the design and construction of a four band Moxon beam by a ...[ Hits: 96 | Votes: 0 | Rating: 0 ]
- Open-Folded W8JK Antenna for HF
- F5NPV
Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...[ Hits: 141 | Votes: 1 | Rating: 3 ]
- Space-Efficient Excellence: Inverted L Multi-Band HF Antenna
- qsoshack
Discovering a solution for limited space the inverted L HF antenna emerges as a stellar ...[ Hits: 190 | Votes: 0 | Rating: 0 ]
- The Infamous Attic Dipole
- AF4PS
An attic wire antenna with several modifications during the time Began as a simple coax ...[ Hits: 103 | Votes: 0 | Rating: 0 ]
- Variations on a Dipole
- AF7NX
Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...[ Hits: 98 | Votes: 0 | Rating: 0 ]
- Small DuoBand Antenna
- DK7ZB
This small dual band UHF VHF directional antenna is good choice for portable operations This ...[ Hits: 198 | Votes: 1 | Rating: 2 ]
- Build a W3DZZ Antenna
- N2LNO
The purpose of this construction is to enable the realization of an HF antenna called ...[ Hits: 219 | Votes: 1 | Rating: 1 ]
- Ribbit digital text messaging mode for HF/VHF/UHF
- RibbitRadio
Ribbit is a novel digital text messaging mode for VHF UHF communications for recreational and ...[ Hits: 134 | Votes: 1 | Rating: 10 ]
- PSKmail: Email and Internet on HF
- PSKmail.org
new
PSKmail a narrow band ARQ system allows ham radio operators to send emails and access ...[ Hits: 39 | Votes: 0 | Rating: 0 ]
- 40 MHz 8m Band Amateur Radio Exploration
- G3XBM
The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...[ Hits: 76 | Votes: 1 | Rating: 8 ]
- 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 ]
- ICOM IC-R75 Review by N9EWO
- N9EWO
Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...[ Hits: 44 | Votes: 0 | Rating: 0 ]
- Arduino QRP Transceiver: DIY Success on HF Bands
- M0XPD
This article introduces an Arduino based QRP CW Transceiver designed for lower HF bands The ...[ Hits: 115 | Votes: 1 | Rating: 1 ]
- Arduino Digital Transceiver Project
- WB2CBA
Arduino Digital Transceiver ADX is a low cost HF transceiver for digital modes This Arduino ...[ Hits: 97 | Votes: 0 | Rating: 0 ]
- Measured Data For HF Ferrite Chokes
- K9YC
FT 240 toroids measurements The data was measured using well calibrated HP instrumentation All plots ...[ Hits: 40 | Votes: 0 | Rating: 0 ]
- DIY EMC/RFI Mains Filter for a Clean Shack
- M0PZT
updated
Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...[ Hits: 158 | Votes: 2 | Rating: 9.5 ]
- Building a 20W All-Band HF SDR with Softrock 6.3
- TF3LJ
new
This project describes a DIY all band HF SDR transceiver Built around a Softrock 6 ...[ Hits: 105 | Votes: 1 | Rating: 1 ]
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