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Showing posts with the label Simple Ham Radio Antennas

Simple Ham Radio Antennas: Full-Wave Loop Antenna. Post #368.

Nice, easy to understand tutorial on Full-Wave Loops antennas from Stan Gibilisco (W1GV). I've used full-wave loop antennas for many years and have found them to be simple, effective, and efficient. Full 80-10 meter coverage can be gained if you design your full-wave loop for 80 meters and use 450 ohm ladder line as your feed line . The ladder line then goes into a balanced tuner , which is connected to your rig by a short length of coaxial cable . If you don't have a balanced tuner, you can connect the ladder line to a 4:1 balun and use a short piece of coaxial cable to connect the balun to your tuner. You can use a variety of shapes for your full-wave loop, with the square and delta loop being popular options. For the latest Amateur Radio news and events, please check out the blog sidebars. These news feeds are updated daily. You can follow our blog community with a free email subscription or by tapping into the blog RSS feed . Aloha es 73 de Russ (KH6JRM).

Simple Ham Radio Antennas: Free online magazine Antentop 01- 2014 is ready. Post #362.

Free online magazine Antentop 01- 2014 is ready. : " Free online magazine Antentop 01- 2014 is ready. Hi. Free online magazine Antentop 01- 2014 is ready. It contains 41+ topics, including: Antenna Theory : Linear Array Theory- Part II; HF - Antenna Practice: 44 Feet Dipole. Where is theTruth?: Lawn Antenna: Buried Antennas for  Emergency Communications: Simple Broadband Antenna for the 40- meter Band : Directional Antenna UA6AGWV. 7.00: Antenna UA6AGW in Experimenters byRU1OZ : Antenna UA6AGW V.40.20:Field Antenna UA6AGW V.40.21: Shortened Antenna G5RV for 14- 50- MHz Bands: Shortened Dipole Balcony Antenna for the 20- meter Band : Simple Window Loop Antenna : Simple Folded Dipole Antenna for the 20- meter Band: Simple Wire Antenna for All HF- Bands: Twin Triangle Antenna for the 10- meter Band: Compact Twin Delta Antenna for the 80- and 40- meter Bands: Delta Antenna for 80-. 40-, 20- and 15- meter Bands:Windom UA6CA for 80-, 40-, 20- and 10- meter Bands: Air Plane HF

Simple Ham Radio Antennas: Stealth Amateur Radio Antenna System (7 MHz to 1.3 GHz) AKA HDTV antenna. Post #302.

Here's a curious design for a stealth antenna from Jim Whitaker . The antenna appears to be a type of Off Center Fed Dipole ( OFCD ) capable of working on 40, 20, 15, 10, 6 meters . The antenna functions as a discone for 6 meters, 2 meters, and 70 cm. I've built a few OFCD antennas , but they didn't look like Jim's. You may want to test Jim's idea if your antenna space is limited or discouraged by HOAs and CC&Rs.For the latest Amateur Radio News and Events, please check the blog sidebars. These news feeds are updated daily. Aloha es 73 de Russ (KH6JRM).