20 40 meters
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Antennas : 40M- Low Bands Battle Creek Antenna
- PI4CC
This antenna is designed for 40 80 and 160 meters to complement a tri band ...[ Hits: 137 | Votes: 0 | Rating: 0 ]
- Multiband portable wire antennas
- OZ1CX
Vertical end fed antenna used for portable operations The antenna will work on 80 with ...[ Hits: 188 | Votes: 0 | Rating: 0 ]
- 8010 Enfed Antenna
- F5NPV
With this antenna the coverage is 80 40 20 15 and 10 meter band without ...[ Hits: 143 | Votes: 0 | Rating: 0 ]
- K1FM Mini Magnetic Loop
- K1FM
Original HF magnetic loop antenna designed by the author to work in conjunction with QRP ...[ Hits: 119 | Votes: 1 | Rating: 8 ]
- Short Antenna for 40-30-20 Meters Band
- dj0ip
This page describes an entirely simple One Knob matchbox that will match this antenna efficiently ...[ Hits: 239 | Votes: 1 | Rating: 7 ]
- Homebrew an OCF Off-Center Fed Dipole Antenna
- W5ODJ
This type of antenna is a popular antenna design as the performance is very good ...[ Hits: 201 | Votes: 3 | Rating: 6.67 ]
- Modified Ground Plane Antenna Adds Second Band
- Dick Reid, KK4OBI
This article explains the trick of how to shorten and lengthen pairs of radials to ...[ Hits: 53 | 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: 116 | Votes: 1 | Rating: 1 ]
- Portable 40m CW Transceiver
- ZL2CTM
Homemade portable transceiver for the 40 meters band.[ Hits: 67 | Votes: 1 | Rating: 1 ]
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