0 30 mhz

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0 30 mhz

160 links - and 2 categories

Antennas : 30M Antennas : Baluns : 1 to 1 Balun
  • Ferrite Balun for HF - Diagram and sample ferrite balaun for 1.8-30 MHz
    [ Hits: 2071 | Votes: 7 | Rating: 9.14 ]
Antennas : Feed Lines : Choke
  • Common-mode chokes - Chart that present results of impedance measurements made on a variety of common-mode choke implementations across the frequency range 1MHz to 30MHz by G3TXQ
    [ Hits: 605 | Votes: 2 | Rating: 4 ]
  • RF Chokes - A chart presenting the results of impedance measurements made on a variety of common-mode choke implementations across the frequency range 1MHz to 30MHz by G3TXQ
    [ Hits: 905 | Votes: 2 | Rating: 7.5 ]
Antennas : Magnetic Loop
  • A loop antenna for 7 MHz to 30 MHz - This note describes a relatively small, but efficient, loop antenna initially created for portable operation. With suitable modifications, it can be adapted for fixed station use. In this age of CC&Rs, an antenna similar to this may very well be the answer to your problems. Have a look, be inspired, get out the torch / soldering iron and create your own version!
    [ Hits: 2447 | Votes: 8 | Rating: 7.25 ]
  • MagLoop 10-24 Mhz - A few pictures of an homebrew magnetic loop RTX antenna project, working from 30 to 12 meters with excellent results
    [ Hits: 697 | Votes: 4 | Rating: 6 ]
Antennas : Tuners
  • QRP Antenna Tuner project - This is a project aboout compact and portable a QRP antenna tuner for use in the HF ham radio bands from 3-30 MHz, even if it's a compact and efficient project this small antenna tuner will not match any possible load.
    [ Hits: 283 | Votes: 0 | Rating: 0 ]
Antennas : Windom
  • Windom Antenna 3.5-30 MHz - A windom multiband antenna project with pictures and diagram for the 6:1 balun
    [ Hits: 3468 | Votes: 10 | Rating: 6.7 ]
DX Resources : Nets : Emergency Nets
  • 14300.net - This website is in place to convey the importance of 14.300 MHz as a frequency of recognition
    [ Hits: 318 | Votes: 0 | Rating: 0 ]
  • Intercon 20 meter Net - A member of the 14.300 mHz net family, goal is to provide a means of emergency communications, to handle third party traffic and information between individuals, to promote goodwill and friendly relations among radio operators.
    [ Hits: 180 | Votes: 1 | Rating: 10 ]
Ham Radio : Band Plans Radio Equipment : Receivers : Icom IC-R75
  • Icom IC-R75 review - A detailed review of the Icom IC-R75 30 kHz -6 0 MHz Receiver first introduced in 1999
    [ Hits: 285 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Home Made 2.4 kW HF Amp - A Solid State HF Amplifier with 16 mrf150 featuring 2.4 kW 1.8 MHz - 30 MHz
    [ Hits: 1596 | Votes: 3 | Rating: 7.67 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • ZETAGI B303 Mod for 50MHz - Converting a ZETAGI B303 power amplifier for 50 MHz usage
    [ Hits: 1720 | Votes: 6 | Rating: 5.17 ]
Technical Reference : Beacon keyers
  • 30m WSPR Beacon - 10MHz WSPR and QRSS Transmitter Project
    [ Hits: 605 | Votes: 0 | Rating: 0 ]
  • 30 Metre QRSS Beacon - A home made QRSS beacon project for the 10 MHz by VK2ZAY
    [ Hits: 2617 | Votes: 2 | Rating: 6.5 ]
Technical Reference : QRP Projects
  • HF1 QRP Transceiver Project - This project is based around the recent HF1 QRP transceiver by Ashhar Farhan, VU2ESE. The transceiver is an interesting SSB design with wide tuning range from 0-30MHz and should cover several amateur bands. The schematic for the transceiver can be found on the Minima mail list in this post with a PDF attachment
    [ Hits: 670 | Votes: 0 | Rating: 0 ]
Technical Reference : SWR Meters
  • Wideband SWR meter - SWR meter for 1 to 1300 MHz project
    [ Hits: 1048 | Votes: 2 | Rating: 10 ]
Technical Reference : Software Defined Radio : RTLSDR
  • LNA4HF - low-noise amplifier for HF reception, amplifies signals 80 to 100 times between 0.15 MHz and 30 MHz. It will let you hear more signals with your RTL-SDR plus Ham-It-Up setup
    [ Hits: 944 | Votes: 7 | Rating: 6.85 ]
Technical Reference : TVI Filters
  • Television Notch Filters - Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
    [ Hits: 454 | Votes: 2 | Rating: 3 ]

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