4 meter

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4 meter

812 links - and 9 categories

Antennas : 160M
  • Receiving loop aerial for 1.8 MHz - Bulding notes of a receiving loop antenna for 160 meters band
    [ Hits: 4259 | Votes: 4 | Rating: 7.50 ]
  • K3KY's Short Beverage  pop - Originally planned as an 80/160 Beverage, this antenna is a terrific performer on 40 and 30 meters
    [ Hits: 24652 | Votes: 8 | Rating: 5.63 ]
Antennas : 20M
  • I4SBX EH Antennas - Three eh antenna plans for 20 40 meters bands.
    [ Hits: 6656 | Votes: 2 | Rating: 5.50 ]
Antennas : 2M
  • QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
    [ Hits: 6498 | Votes: 4 | Rating: 5.25 ]
  • 8 Element Quad for 145 Mhz  pop - 8 elements quad antenna for 2 meters band, centered on 145 Mhz
    [ Hits: 28253 | Votes: 96 | Rating: 5.96 ]
  • A portable 2-element VHF yagi  pop - Build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee.
    [ Hits: 27236 | Votes: 22 | Rating: 7.23 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • ZZ Wave Net  updated - ZZ Wave Net is a 40 & 80 meter full wave loop designed to fit on a city lot. ZZ Antenna is a folded dipole bent into an inverted V loop
    [ Hits: 9264 | Votes: 9 | Rating: 6.79 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • K9FV 40 meters band loop - A Mississippi Style 40 meter magnetic loop made from available aluminum conduit, this antenna will not disappoint by Ken Holland, K9FV
    [ Hits: 13500 | Votes: 8 | Rating: 7.75 ]
Antennas : 80M
  • Switchable Antenna 80/160 meters band  pop - A switchable antenna for 80/160 meters by IK1ZOY. A new version of a 1/4L 80 m. dipole modified for use in 160 m. band. using it's own coaxial cable feeder to wrap a coil.
    [ Hits: 16357 | Votes: 6 | Rating: 5.50 ]
Antennas : G5RV
  • Homebrew G5RV  pop - A G5RV plan for 10-160 meters, 10-40 and 10-80 meters band
    [ Hits: 19922 | Votes: 8 | Rating: 7.75 ]
Antennas : Loop Antennas : Multiband
  • A Magnetic Loop antenna for 7-21 mhz - If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter
    [ Hits: 3533 | Votes: 2 | Rating: 5.50 ]
Antennas : Portable Antennas : Vertical
  • 7 MHz Vertical antenna  pop - 7 MHz Vertical antenna for ham radio band of 40 meter text in spanish and english
    [ Hits: 31968 | Votes: 90 | Rating: 8.55 ]
Antennas : Wire
  • 40m Short Antenna  pop - GM4JMU shortened dipole for 40 meters band
    [ Hits: 26117 | Votes: 28 | Rating: 4.89 ]
DX Resources : Beacons : 6 meters beacons
  • WB4WOR Propagation Beacons - WB4WOR Propagation Beacon on 6 and 10 meters Jointly Owned and Operated by the Broadcast Packet and Repeater Group and Piedmont Amateur Radio GroupRandleman, NC USA
    [ Hits: 1080 | Votes: 1 | Rating: 10.00 ]
Ham Radio : Band Plans
  • MF and HF Amateur Radio Band Charts - Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK
    [ Hits: 1424 | Votes: 6 | Rating: 3.00 ]
Publications : Manuals
  • Isotron antenna manulas - From this page you can download the following manuals, in Adobe Acrobat format .pdf, 40 Meter Isotron, 80 Meter Isotron
    [ Hits: 3320 | Votes: 5 | Rating: 3.20 ]
Shortwave Radio : Broadcasters : Pirate Radio
  • Radio Pirania - Pirate statio based in chile transmitting on 48 meters band
    [ Hits: 539 | Votes: 0 | Rating: 0.00 ]
Software : Oscilloscope
  • Cobracom  pop - Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
    [ Hits: 20098 | Votes: 10 | Rating: 6.09 ]
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