20 meter

464 links - and 5 categories

2 Element Yagi ^updated - A simple to build Yagi 2 element antenna for 15 or 20 meters band by 9m2mso
[ Hits: 3572 | Votes: 8 | Rating: 6.88 ]
2 element yagi wire beam - A 2 element yagi wire-beam antenna for the 20 meter band based on the KJ5VW design
[ Hits: 1855 | Votes: 7 | Rating: 3 ]

Homebrew 5 Element VHF Yagi-Uda - A project for a home made 5 element yagi-uda antenna for 2 meters, covering 144-148 MHz band by N1BMX
[ Hits: 1627 | Votes: 4 | Rating: 5.75 ]
6 element Yagi for 2 meter band - A 144 MHz six element yagi beam antenna plan
[ Hits: 3241 | Votes: 28 | Rating: 6.5 ]

40M Bazooka antenna - Hombrewing a bazooka antenna for 40 meters band, the article include also with plans for 20m and 160m band.
[ Hits: 4794 | Votes: 43 | Rating: 5.64 ]

Diamond Loop for 40 m - A 2 element Narrow Diamond Loop Array for 40 Meters by VE3VN
[ Hits: 1043 | Votes: 1 | Rating: 4 ]

Vertical dipole antenna - A vertical dipole for 10, 15, 20 and 40 meters made adapting two Hustler Model 6-BTV antennas by w6sdo
[ Hits: 2238 | Votes: 9 | Rating: 6.56 ]

EH Antenna for 20 meters band - An EH Antenna for 14 MHz by EB3EMD based on an original project by F5SWN
[ Hits: 743 | Votes: 2 | Rating: 1 ]

20 thru 10 Meter Fan Dipole - The 20 thru 10 meter dipole is constructed from stranded insulated wire available in most hardware stores. The feedpoint uses an 8 inch long section of 2 inch diameter PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots used on lower frequencies.
[ Hits: 3181 | Votes: 14 | Rating: 5.96 ]
The Fan Dipole Fence - The FFD is a multiband antenna, quick, easy and cheap. This antenna is designed to work on 80, 40, 20, 17, 10 and 6 meters and to be placed in a backyard.
[ Hits: 1929 | Votes: 10 | Rating: 6.7 ]

5 Band Indoor Magnetic Loop - A indoor magnetic loop antenna that covers 20 17 15 12 and 10 meters band with a 3 meter lenght of 22 mm copper tube by G4IZH
[ Hits: 9175 | Votes: 22 | Rating: 5.82 ]
HF Fan Dipole Attic Antenna - 40/20/10 Meter Fan Dipole attic antenna article by KD2GOE
[ Hits: 1182 | Votes: 1 | Rating: 3 ]

Spiral Dipole Antennas - Experiments with spiral dipole antennas. Includes two spiral antenna designs for 20 and 40 meters band by KN9B
[ Hits: 1169 | Votes: 3 | Rating: 10 ]

40 Meters Wire Yagi Antenna - A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn
[ Hits: 2582 | Votes: 6 | Rating: 4.67 ]
Tri-band Wire Yagi Antenna - A compact wire Tri-band Yagi for 10 15 20 meters with 2 active elements each band
[ Hits: 782 | Votes: 2 | Rating: 4.5 ]
40m wire Yagi antenna - A 4 element Wire Yagi antenna design for the 40 meters band
[ Hits: 1777 | Votes: 1 | Rating: 5 ]

3905 Net - 3905 Century Club offer nets on 20, 40, 75, 80, and 160 meters operating with a mixture of SSB, CW, RTTY and PSK-31 modes
[ Hits: 335 | Votes: 3 | Rating: 9 ]

Operating on the Top Band - An introduction top operating on 160 meters band, article appeared on November 2006 issue of CQ, PDF file by K9LA
[ Hits: 418 | Votes: 0 | Rating: 0 ]

Portable PSK - Integrated PSK station for 80 & 20 meters without using a PC Pictures and diagrams by N2APB
[ Hits: 579 | Votes: 0 | Rating: 0 ]

WiFi SWR meter - An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
[ Hits: 1705 | Votes: 10 | Rating: 4.9 ]