small hf antenna

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small hf antenna

40 links - and 1 categories

Antennas : 15M
  • HF Copper Loop  pop - A small transmitting loop antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR Based on material originally published in Amateur Radio, 11 1991
    [ Hits: 25349 | Votes: 21 | Rating: 6.63 ]
  • HF Copper Loop for 20 and 15 meters - A Small Transmitting Loop Antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR
    [ Hits: 7741 | Votes: 1 | Rating: 5 ]
  • Small loop antenna for 15 and 20 meters - A Small Transmitting Loop Antenna for 14MHz and 21MHz. This is an antenna you might consider if you have limited space by Lloyd Butler VK5BR
    [ Hits: 3598 | Votes: 1 | Rating: 2 ]
Antennas : 2M
  • The Moxon Rectangle on 2 Meters - We often think of the Moxon rectangle as strictly an HF antenna. However, its small size and special far field pattern lend themselves to some VHF applications. So let's see how to adapt the design to 2 meters (as a popular band choice) and also see a few of the uses to which we may effectively put the design.
    [ Hits: 11948 | Votes: 13 | Rating: 2.85 ]
  • 2m VHF antennas with high gain - 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth. These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.
    [ Hits: 8261 | Votes: 12 | Rating: 7.75 ]
Antennas : Loop Antennas : Magnetic Loop
  • 160/80m Coaxial Receiving Loop Antennas  pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.
    [ Hits: 65097 | Votes: 61 | Rating: 5.89 ]
  • Thinking about Ideal Loops - Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
    [ Hits: 2271 | Votes: 6 | Rating: 7.33 ]
Antennas : Maria Maluca
  • Maria Maluca Antenna by dl8ncr - This small beam fed with VHF ribbon line consists of a dipole and a director adjusted for the desired band
    [ Hits: 3030 | Votes: 6 | Rating: 6.5 ]
Antennas : Mobile
  • A $20 HF mobile antenna - A few hours of fun with PVC and wire and you have got yourself a respectable road radiator. The antenna consists of little more than some PVC pipe topped by a RadioShack replacement whip antenna and a couple of coils made from a small roll of #14 house wire.
    [ Hits: 10545 | Votes: 6 | Rating: 7.33 ]
Antennas : Multiband
  • 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: 7401 | Votes: 5 | Rating: 9.4 ]
Antennas : Satellite
  • UHF Yagi for AO-40 - Based on DL6UW Yagi antenna's design-formula The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length
    [ Hits: 2468 | Votes: 4 | Rating: 6.75 ]
Antennas : Sloper
  • LA1IC Coax-Fed slooping longwire - Simple, inexpensive and easy to erect, this antenna provides directivity, low angle radiation and a small gain on a number of HF bands.
    [ Hits: 3920 | Votes: 3 | Rating: 7 ]
Antennas : Stealth
  • HF Balcony antenna - Small HF balcony antenna project
    [ Hits: 19880 | Votes: 40 | Rating: 5.18 ]
Antennas : Tuners
  • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    [ Hits: 15342 | Votes: 7 | Rating: 5.14 ]
  • HF/VHF Portable Mini Tuner - A small portable antenna tuner for HF and VHF bands by ON6MU
    [ Hits: 2453 | Votes: 3 | Rating: 5.67 ]
Antennas : Vertical
  • Rybakov 806 Multiband Antenna - Multiband no trap no gap antenna. This Antenna is a small wonder, easy to build and allow you to work all HF spectrum with your TRX and it's internal ATU.
    [ Hits: 2474 | Votes: 2 | Rating: 6 ]
Manufacturers : Antennas : HF
  • Isotron Antennas - Isotron antennas are low-profile HF antennas. If you need a small antenna, then an Isotron may be the answer. Bilal isotron antennas.
    [ Hits: 5593 | Votes: 20 | Rating: 6.05 ]
Manufacturers : Transceivers
  • HFRadio.us - HFRadio.US is a woman-owned small business that specializes in products for the HF market. We have our own line of broadband HF antennas plus other specialized products primarily for the Motorola Micom series radios.
    [ Hits: 805 | Votes: 3 | Rating: 6.67 ]
Operating Modes : Mobile
  • ARRLWeb: Automobile - Hams have been putting stations in their cars since the Twenties. Today, there is great satisfaction in facing the challenge of installing a transceiver in our small cars and pick-ups, using somewhat inefficient antennas
    [ Hits: 854 | Votes: 2 | Rating: 10 ]

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