9 band

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9 band

457 links

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 ]
Antennas : 20M : 20 meter Yagi antennas
  • 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 ]
Antennas : 2M Antennas : 40M
  • 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 ]
Antennas : 40M : 40 meter Vertical Antennas
  • Build this Novice 4 band vertical  pop - 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 ]
Antennas : Loop Antennas : Maria Maluca
  • 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 ]
Antennas : Multiband
  • Multiband dipole comparison  pop - A comparison of different multi-band dipole techniques
    [ Hits: 34469 | Votes: 25 | Rating: 5.21 ]
Antennas : Receiving
  • 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 ]
Antennas : Sloper
  • 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 ]
DX Resources : Nets
  • 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 ]
Internet and Radio : News Groups
  • 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 ]
Manufacturers : Transceivers
  • 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 ]
Operating Modes : NPR New Packet Radio
  • 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 ]
Operating Modes : VHF UHF
  • 49MHz Hobbyists Site - A website and email reflector for hobbyists in the unlicensed 49MHz low-power band.
    [ Hits: 1880 | Votes: 4 | Rating: 7.5 ]
Software : Radio Control
  • FTB8900 - Memory management (cloning) software for the Yaesu FT-8900R quad band FM mobile transceiver
    [ Hits: 4319 | Votes: 16 | Rating: 2.45 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • 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 ]
Technical Reference : Receivers : Regenerative Receiver
  • 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 ]
Technical Reference : VHF Radios

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