The Avanti Astro Beam explained - 1970 article re-printed
2021年4月7日 · Well, a few years ago, one of the engineers at AVANTI came across with a brilliant idea. He reasoned that if a three-element beam was made with an ASTRO-PLANE antenna as a driven element, rather than a simple half …
- [PDF]
World Radio History
One antenna type that has been developed on the AVANTI test range is the ASTROPLANE, which has been granted U.S. Patent #3587109. This antenna develops an intense electrical field if the bottom, skirt section, is excited minus the top monopole. If the top monopole is short, little energy is coupled to it.
The Avanti Astro Beam antenna | RadioReference.com Forums
2021年3月24日 · This three-element beam utilized the Avanti Astroplane in the center as a driven element and was said to have some of the most potent front-to-back rejection out there, better than stacked 3's and 4's. It was advertised as 40dbi front to back rejection with a …
Classic CB Base Station Antennas | DREW'S RADIO SITE
In addition to the legendary Moonrakers, Avanti manufactured the Astro Plane, Astro Beam, PDL 2, Sigma 5/8, and the strange-looking but incredibly potent Sigma 4. Radio Shack’s offerings consisted of 1/4 wave, 1/2 wave, and 5/8 wave Archer ground planes.
Is this Avanti Astro Beam worth saving? - RadioReference.com Forums
2021年2月12日 · Asking price seems to be around $150 shipped per a CB radio repairman friend of mine for a complete Avanti AV-150 "Astro-Beam" from the 1970s. YMMV based on condition of the remaining parts. Its worth it because the antenna has value and people will pay lots of money for it when its refurbished.
Copper Talk: Avanti astrobeam!!!!!! - Copper Electronics
The Astro Beam was/is an astroplane groundplane mounted on a beam boom. It has a reflector and a director element. Think 3 element vertical Yagi but replace the loaded element with an astroplane antenna.
Avanti AV 150...astrobeam | WorldwideDX Radio Forum
2011年4月26日 · I had an Astro Plane omni antenna. Probably the best thing about it was it was easier to get it up higher than the other popular ground plane antennas like the Super Mag and the HyGain CLR-2.
Antenna Specialists / Avanti Antenna - CBTricks
AV-101 "Astro-Plane" Omini Directional. AV-122 "PDL-II" Beam Antenna. AV-140 "Moonraker 4" Beam Antenna. AV-146 "Moonraker 6" Beam Antenna. AV-150 "Astro-Beam" Beam Antenna AV-160 "RAMROD" Omni Directional. AV-170 "Sigma 5/8" "Sigma II" Omini Directional. AV-174 "Sigma 4" Omini Directional. AV-190 "Saturn" Omini Directional. AV-261T. Mobile Antenna
astrobeam - WorldwideDX Radio Forum
2008年2月9日 · I had two Astro's back in the late 70's & early 80's, they did rather well for a $85 antenna. The "front to back" was excellent and if I had my choice, I would take the Astro Beam over a 3 element any day - vertical that is.
Astro Beam AV-150 Antenna Avanti Products; Miami FL, build …
Model: Astro Beam AV-150 - Avanti Products; Miami FL; Shape; Chassis only or for «building in» Notes; Vertical polarization antenna. Maximum load supported: 1000 Watt. Gain: 11 dB. SWR: 1.3 : 1 or less on 50/51 Ω. Main material: aluminum. Mentioned in-- Original prospect or advert (CQ Elettronica, Italy CD editor, number 1 January 1974.) Author
The Avanti Astro Beam antenna - RadioReference.com Forums
2021年3月24日 · The Astro Beam doesn't look even half that long. A really well designed and optimized 3 element Yagi might reach the 8.5dBi range and that's around the upper limit and the Astro Beam is probably more in the 6dBi range.
Astro-Beam Av150 | PDF - Scribd
Avanti Antenna Manual
Avanti Astro Beam? - WorldwideDX Radio Forum
2010年12月18日 · Most reports I've heard from owners suggest that the beam is very effective, but I have no idea what characteristics were consider. My ideas on this one is that it uses a AstroPlane as a driven element, and that supports my idea that the A/P is a 1/2 wave radiator.
Astro Beam Antenna for sale - eBay
Get the best deals for Astro Beam Antenna at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!
21+ Calculator Yagi Antenna - YanaSamanta
2023年2月21日 · A Yagi Uda Antenna For Murs And 2 Meters Web DL6WU Yagi-Uda antenna online calculator Created.. Web Economy in Fawn Creek Kansas. Web We will discuss more on the Yagi antenna design formula in this article. ... Web Amateur Beam Antenna Calculator. Web Most people think of weather in terms of temperature humidity precipitation cloudiness. Web ...
Engineering Report on the Avanti Astro Plane - July 1969
2021年4月7日 · The beam width to the 3 db point for the half-wave antenna in free space is 37.5 degrees; thus the “Astro Plane” antenna has a gain of about 4.46 decibels over the isotropic radiator
Fawn Creek Map - Stream - Montgomery, Kansas, USA - Mapcarta
Explore unique streams from around the globe. Fawn Creek is a stream in Montgomery, Kansas. Mapcarta, the open map.
Fawn Creek township, Montgomery County, Kansas (KS) detailed …
63% of Fawn Creek township residents lived in the same house 5 years ago. Out of people who lived in different houses, 62% lived in this county. Out of people who lived in different counties, 50% lived in Kansas. Place of birth for U.S.-born residents: This state: 1374 Northeast: 39 Midwest: 177 South: 446 West: 72 Median price asked for vacant for-sale houses in 2000: $9,999
Fawn Creek Township Map - Locality - Montgomery, Kansas, USA - Mapcarta
Fawn Creek Township is a locality in Montgomery, Kansas. Mapcarta, the open map.
Avanti AV-101 aka Avanti Astroplane omnidirectional CB antenna
2021年3月25日 · We have a thread on the Astro Beam, so why not the Astroplane? Avanti had the balls to bill this as the "best omnidirectional antenna ever made," although...