antennas 80 m
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Antennas : 40M : 40 meter Delta Loop Antennas- The 40m Delta Mono-Loop
- A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions
[ Hits: 3905 | Votes: 8 | Rating: 6.12 ]
- Bandwidth extension on 80 Meter Dipoles
- Extending The Bandwidth of 80 Meter Dipoles
[ Hits: 443 | Votes: 0 | Rating: 0 ]
- 80 Meter Ground Plane
- The 80 meter ground plane is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses PVC a pipe T-section Article by W1TR
[ Hits: 1219 | Votes: 2 | Rating: 5 ]
- 80 Meter Vertical Loop
- The 80 meter vertical loop is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses a 6 inch section of half inch diameter PVC pipe Article by W1TR
[ Hits: 954 | Votes: 4 | Rating: 7.75 ]
- Broadband 80 meter dipole
- The AB2RA bowtie 80 meter antenna includes also a 40 meter dipole
[ Hits: 829 | Votes: 0 | Rating: 0 ]
- Shortened 80m Antenna
- An antenna for 80 meters band for those who does not have enough space to setup a halwave wire dipole that is aprox 130ft or 40 meters. The antenna is an open-wire-fed shortened dipole
[ Hits: 402 | Votes: 1 | Rating: 1 ]
- 80/75 Meter Wire Antennas
- Calculations of 75 and 80 meters wire antennas
[ Hits: 842 | Votes: 10 | Rating: 3.8 ]
- The Double Bazooka Antenna - A Review
- Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands.
[ Hits: 1101 | Votes: 4 | Rating: 5.5 ]
- Building and Using an Experimental Beverage
- An interesting article about planning and testing beverage antennas for 80 and 160 meters in a rural location
[ Hits: 772 | Votes: 3 | Rating: 5.33 ]
- 160 80 12m Dipole
- How complicated can a dipole be? Well, pretty complicated! Read on for details.
[ Hits: 562 | Votes: 0 | Rating: 0 ]
- 20 40 80 Trapped Dipole
- An homemade portable trapped dipole antenna for 40 and 80 meters band with an optional extension for the 20 meters.
[ Hits: 1315 | Votes: 9 | Rating: 5 ]
- Multi-band End-Fed Antenna
- An excellent guide to homebrewing multi band end-fed antennas. The article, embed several drawings including diagrams and detailed pictures, illustrating the basic funcionality of end-fed antennas. The author gives some basic hints on how to build a half size antenna for 80 40 to 10 meters and a 6 meter to 40 meter configuration. It is also well described how to build the impedance transformer and the loading coils for lower bands.
[ Hits: 979 | Votes: 5 | Rating: 5 ]
- End Fed Half-Wave Antennas
- An interesting article on end fed half-wave wire antennas with a couple of original experiments.
Author illustrate the role of the QRP matchbox, and a 40/20 meter antenna with a center stub making it a large bandwidth antenna for 40 and 20. Includes also an 80/40 end fed with the typical coil to make it available on 80 merts band.
[ Hits: 273 | Votes: 2 | Rating: 10 ]
- G5RV JR 10-40
- The G5RV JR cover 10-40 meters band a project by PU2OKE
[ Hits: 1741 | Votes: 7 | Rating: 7.15 ]
- Portable NVIS Loop for 80m to 40m
- A portable (15.5 foot diameter) NVIS loop for 3.5 to 7.3 MHz. Performs well at high and low takeoff angles, and has smaller footprint than most NVIS antennas.
[ Hits: 303 | Votes: 0 | Rating: 0 ]
- 160m/80m Receiving Loop antenna
- Going High-Q and High-Tech with the RX Loop at AC0C
[ Hits: 640 | Votes: 2 | Rating: 8.5 ]
- 160m - 80m Receiving Loop
- Going High-Q and High-Tech with the RX Loop at AC0C
[ Hits: 665 | Votes: 1 | Rating: 8 ]
- Triband Receiving Loop for 160/80/40m
- A receiving only loop antenna for low bands, cover 160 to 40 meters with a remote antenna switch box well described and illustrated in this article
[ Hits: 859 | Votes: 1 | Rating: 10 ]
- Multiband HF Dipole
- A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole
[ Hits: 3083 | Votes: 7 | Rating: 6.43 ]
- Fun and Games with the Spiderbeam 18 Meter Pole
- A portable operation experience with a SpiderBeam pole during a contest, testing wire antennas, like dipole and delta loops configurations on 20 40 and 80 meters band.
[ Hits: 303 | Votes: 1 | Rating: 10 ]
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