40 meter
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Antennas : 12M- Quad Antenna System by Pfeiffer Maltese
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- Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in this pdf file project by Pfeiffer Maltese
[ Hits: 39217 | Votes: 13 | Rating: 7.54 ]
- Zippiro antenna for 40 Meters
- Very compact and high efficiency antenna ,very low radiation angle even at low height.
[ Hits: 2112 | Votes: 3 | Rating: 5.67 ]
- ZMV Spiral antennas
- An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response
over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band.
[ Hits: 3431 | Votes: 8 | Rating: 5.37 ]
- 40 Meter delta loop
- A delta loop wire antenna plan for the 7 MHz band (40 meters) that is quick to setup and work with
[ Hits: 7957 | Votes: 5 | Rating: 4.6 ]
- W5VMs Shorty 40 Antenna
- A shortened dipole for 40 meters band by Martin E. Meserve
[ Hits: 2654 | Votes: 7 | Rating: 9.85 ]
- 40 m Band Delta loop Antenna
- 40 meters band Delta loop antenna plan that is vertically polarised
[ Hits: 9721 | Votes: 19 | Rating: 4 ]
- Multi-Band Mono Delta Loop
- Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
[ Hits: 6787 | Votes: 9 | Rating: 5.22 ]
- 40/80 Trap Dipole Design
- An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS
[ Hits: 2575 | Votes: 4 | Rating: 7.75 ]
- 80-40-20 Meter Dipole antenna
- Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by KJ4EX
[ Hits: 2775 | Votes: 4 | Rating: 3.5 ]
- Dipole for 40 Meters by K4VX
- Here is a very simple and practical way to make a short but efficient 40-meter dipole.
The K4VX Linear-Loaded Dipole for 7 MHz
[ Hits: 2699 | Votes: 1 | Rating: 10 ]
- Folded dipole antenna by N4SPP
- A quarter size cobra dipole antenna, a multiband dipole antenna for 40 to 10 meters basedn on original cobra dipole design but with a limited space by N4SPP
[ Hits: 2619 | Votes: 1 | Rating: 8 ]
- RX antenna for 160/80 meters
- RX Antenna 160m/80m Band Splitter/Switch, a small project that will work along with the K9AY RX antenna
[ Hits: 2058 | Votes: 0 | Rating: 0 ]
- Multiband HF Vertical
- A telescopic pole that you adjust to suit the band you're working on , tested on 40 20 and 15 meters band by M0PZT
[ Hits: 2379 | Votes: 5 | Rating: 7 ]
- Cushcraft R7 Manual
- Manual for R7, 10 12 15 16 20 30 40 meters band antenna
[ Hits: 8261 | Votes: 29 | Rating: 6.07 ]
- 5-band RF Power Amplifier
- This project uses a widely available IRF510 MOSFET, work on HF 80, 40, 30, 20 and 17 meter bands
[ Hits: 6951 | Votes: 5 | Rating: 7.4 ]
- 6L6 Transmitter
- 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.
[ Hits: 1300 | Votes: 1 | Rating: 10 ]
- A 40 meter SSB QRP transceiver
- This transceiver was conceived as a power-efficient, small, lighweight unit to be carried in the backpack, along with antenna and battery.
[ Hits: 2298 | Votes: 1 | Rating: 1 ]
- QRP transceiver for 7 Mhz
- An optimized QRP transceiver for 40 meters band
[ Hits: 1216 | Votes: 2 | Rating: 5.5 ]
- DSB/CW QRP rig for 20 and 40 mt.
- An experimental DSB/CW QRP rig for 20 and 40 meter bands
[ Hits: 1404 | Votes: 1 | Rating: 10 ]
- 40 Meter QRP Transmitter
- A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.
[ Hits: 1932 | Votes: 1 | Rating: 2 ]
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