9 band
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Antennas : 10M- The optimized wideband antenna
- NW3Z yagi antenna designs for Dayton 2001
Includes yagis for 20 15 10 meters.
[ Hits: 5877 | Votes: 6 | Rating: 3 ]
- 3 elements Yagi for 20 meters
- A 3 Element Mono-band Yagi for 20 meters by Kees Wiegers, PA5CW (ex-PA3BHS)
[ Hits: 11722 | Votes: 11 | Rating: 7.33 ]
- 9 element yagi for 2 meters band
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- A simple design of a 9 elem. yagi antenna for 2 meters band
[ Hits: 53406 | Votes: 263 | Rating: 5.23 ]
- Homebrew 20/40m Travel Antenna
- This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil
[ Hits: 17482 | Votes: 15 | Rating: 5.86 ]
- Build this Novice 4 band vertical
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- Home made vertical antenna for 80 40 15 10 meters
ARRL PDF file taken from QST June 1978
[ Hits: 79525 | Votes: 53 | Rating: 6.37 ]
- A Small Wire Loop Antennas for 160 meters
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- Low noise, receive only coax loop antennas for 160 - 10 meters HF bands
[ Hits: 49328 | Votes: 10 | Rating: 6.5 ]
- Maria Maluca Antenna by PY2BBP
- The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands
[ Hits: 338 | Votes: 1 | Rating: 10 ]
- Multiband dipole comparison
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- A comparison of different multi-band dipole techniques
[ Hits: 34469 | Votes: 25 | Rating: 5.21 ]
- Broadband receiving antenna matching
- This article addresses the subject of obtaining the best signal transfer from an antenna to the
typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave
(500 - 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
[ Hits: 6682 | Votes: 4 | Rating: 6 ]
- Half-sloper antenna for 40-80
- K9CZB QST article about sloper antenna project for 40 and 80 meters band
[ Hits: 13765 | Votes: 11 | Rating: 4.55 ]
- 3905 Century Club Nets
- Worked all states and awards net that has been operting since 1977. Eleven nets on four bands, working SSB, CW, RTTY and PSK.
[ Hits: 1961 | Votes: 6 | Rating: 8.17 ]
- Ham Radio Help
- This group is being formed to support those radio enthusiasts that already have experience in SWL, Scanners, or Citizen Band/FRS radio that would like to know more about becoming a Ham.
[ Hits: 783 | Votes: 3 | Rating: 4.33 ]
- QRP LABS
- The QRPLABS series of single band QRP CW tranceiver kits are high performance CW tranceivers with easy operating features, small size and light weight.
[ Hits: 3351 | Votes: 3 | Rating: 6.67 ]
- NPR New Packet Radio - IP over 430 MHz
- NPR (New Packet Radio) is a custom amateur radio digital protocol, designed by F4HDK to transport bidirectional IP trafic over radio links on the 70cm band. This IP protocol is optimized for point-to-multipoint topology, with the help of managed-TDMA. Bitrate is up to 500kbps. Home Made modem has a built-in ethernet port to connect to PC. To boost power a DMR amplifier is required to reach 20W. This project is an extension of HSMM - Hamnet - AREDN networks
[ Hits: 151 | Votes: 0 | Rating: 0 ]
- 49MHz Hobbyists Site
- A website and email reflector for hobbyists in the unlicensed 49MHz low-power band.
[ Hits: 1880 | Votes: 4 | Rating: 7.5 ]
- FTB8900
- Memory management (cloning) software for the Yaesu FT-8900R quad band FM mobile transceiver
[ Hits: 4319 | Votes: 16 | Rating: 2.45 ]
- 2 m. Band VHF PA 5 Watts
- A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum
[ Hits: 1984 | Votes: 1 | Rating: 10 ]
- WD5HOH Regenerative(Regen) Receiver
- This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands.
[ Hits: 9365 | Votes: 8 | Rating: 6.5 ]
- converting Philips FM-92 E to 6 metres
- conversion of low band VHF Philips FM-92E to 6 metres
[ Hits: 1713 | Votes: 3 | Rating: 5.33 ]
- VHF CW Transmitter
- Simple CW transmitter for the two meters band
[ Hits: 1940 | Votes: 2 | Rating: 7.5 ]
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