30 m band

30 m band

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• Rotary Dipole for 30 and 40 meters band - Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band
  [ Hits: 10406 | Votes: 1 | Rating: 2 ]

• Multi-Band Super Mini Loop Antenna - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
  [ Hits: 23211 | Votes: 8 | Rating: 6.95 ]

• A 30/40 meters band vertical anetnna - A shortened 30/40 meters band vertical antenna in italian
  [ Hits: 7608 | Votes: 1 | Rating: 1 ]

• VE7CA portable tribander yagi - 30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna
  [ Hits: 2655 | Votes: 1 | Rating: 5 ]

• End-fed Inverted V for 17-20-30-40 Meters - Four band lightweight antenna, that rolls up into an small Grundig antenna case by N0LX
  [ Hits: 7947 | Votes: 5 | Rating: 8.2 ]

• What make the carolina windom so good - The off-center fed CAROLINA WINDOM provides outstanding performance on all bands. This includes all the WARC bands, 30, 17, and 12 meters.
  [ Hits: 6615 | Votes: 3 | Rating: 4.67 ]
• N3OX Multiband vertical - This vertical antenna consist of a 18 meters telescopic pole and allow operations from 160 to 30 meters band, project by Daniel Zimmerman N3OX
  [ Hits: 2093 | Votes: 1 | Rating: 8 ]
• A Stealthy HF Coat Hanger Antenna - A multiband stealth antenna. Tuner is required. The antenna is made from a $15, 500 ft roll of black #14 insulated stranded wire, about 120 small black wire ties, and maybe 30 or so large black wire ties.
  [ Hits: 7403 | Votes: 5 | Rating: 9.4 ]
• Another vertical antenna for 30, 40 and 80 meters - This article is to describe a multi band DX-dedicated antenna offering a minimum of compromises (such as lossy traps), for the hams not having any high-support
  [ Hits: 4377 | Votes: 4 | Rating: 3.5 ]
• Multi-band Inverted-Vee Antenna - A multi-band inverted-V dipole for portable operation by GM3VLB
  [ Hits: 2710 | Votes: 4 | Rating: 7.5 ]

• Inverted L Portable Antenna - An 87ft inverted L portable antenna working on 80 40 30 20 15 meters band
  [ Hits: 2401 | Votes: 3 | Rating: 9.33 ]

• DK0WCY - DK0WCY transmits 24 hours per day on 10144 kHz in the 30 meter amateur radio band. QTH in Scheggerott JO44VQ
  [ Hits: 821 | Votes: 2 | Rating: 5.5 ]

• QROlle, 6 Band QRP-rig - QROlle QRP-rig. 6 Band Shortwave rig with SMD:s. 160, 80, 40, 30, 20, 17 meters SSB/CW QRP-rig. All documentation in English
  [ Hits: 2236 | Votes: 2 | Rating: 9.5 ]

• Maldol MFB-300 - Maldol MFB-300 all band HF vertical antenna review by Steve Nichols
  [ Hits: 2604 | Votes: 1 | Rating: 1 ]

• Solarcon A99 for 20 Meters - Tuning the Solarcon Antron A-99 antenna for 20 meters band
  [ Hits: 1921 | Votes: 1 | Rating: 1 ]

• KENWOOD TL-922 Modifications - Allow 9 bands and 1300 Watt output on the TL-922 amplifier with this document by PA0FRI
  [ Hits: 2844 | Votes: 9 | Rating: 3.89 ]
• 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: 6952 | Votes: 5 | Rating: 7.4 ]

• Homebrew a CW Filter - An home-brewed morse code CW filter with a central frequency of 800hz and a variable bandwidth from 230hz to 26hz by F5RDH in french.
  [ Hits: 1769 | Votes: 2 | Rating: 2.5 ]

• SQ2OMC HF Transceiver - Description of the homebrew shortwave multiband SSB transceiver, that covers 0.1 - 30MHz. made by SQ2OMC
  [ Hits: 566 | Votes: 3 | Rating: 4.67 ]

• QRP transceiver for 7 Mhz - An optimized QRP transceiver for 40 meters band
  [ Hits: 1219 | Votes: 2 | Rating: 5.5 ]

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