RF - PCARA
RF 1Notes appear on page sured its gain at 8.5 dBd during the 1995 Eastern States VHF/UHF Con-ference—with little gain variation between 417 and 446 MHz. 1 The SWR is almost as broad, with better than 1.4 SWR use this antenna on 432-MHz SSB or 436-MHz satellite, the extra band-width is ... Read Content
Home Brew Antenna Notes
Home Brew Antenna Notes Wally Jukes, K6LDS Assistant Stake ERC Specialist El Dorado California Stake While preparing to “Show and Tell” some of my homebrew amateur radio antenna projects with VHF and UHF. My first ham radio ... Retrieve Content
The VHF / UHF « Eggbeater » Antenna ~ Revisited
The VHF / UHF « Eggbeater » Antenna ~ Revisited ~ ON6WG / F5VIF A new simple way to build the “Eggbeater”Antenna Introduction Previous designs described in « VHF / UHF « Eggbeater » Antenna ~ Part 1 » and « VHF / UHF ... Access Content
Biconical antenna - Wikipedia
In radio systems, a biconical antenna is a broad-bandwidth antenna made of two roughly conical conductive objects, essentially a two-dimensional version of the biconial design which is often used for short-range UHF television reception. ... Read Article
Turnstile antenna - Wikipedia
A turnstile antenna, or crossed-dipole antenna, is a radio antenna consisting of a set of two identical dipole antennas mounted at right angles to each other and fed in phase quadrature; used for television broadcasting in the VHF or UHF bands ... Read Article
High-Efficiency Antennas For Hand-Held Radios - KED-Wireless
UHF repeater. Under these conditions, homebrew 2-m half-wave antenna. Fig 2—A hand-held with a K ØDK 2-meter half-wave telescoping antenna. Homebrew Half-Wave Antennas for Hand-Held Radios The half-wave antennas described ... Access Document
My Loop Antenna - Radio Central Amateur Radio - RCARC
My Loop Antenna November 20, 2013 3 Brief History • 1968 Lew McCoy W1ICP attempts using military small-loop antenna adapted for amateur applications ... Fetch This Document
5. ANTENNA TYPES - NCJRS
At UHF, a quarter-wave whip is approximately 15 cm (6 in) long. Since this length is physically small, some design considerations can be used to increase the gain. Figure 27. A simple active antenna Not so much antenna types as antenna ... Get Content Here
PRACTICAL ANTENNA DESIGN - N5DUX
2 practical antenna design 140 -150 mhz vhf transceivers online edition elpidio latorilla ledf media ... Retrieve Document
Antennas And Accessories Catalog 2014/2015
Antennas and Accessories Catalog 2014/2015 Catalog 2014/2015 | 07.00 Antennas and Accessories Communications, Active Directional Antenna ¸HL562E ULTRALOG ¸AD033V3 Omnidirectional UHF Antenna ¸AC090 SHF Directional Antenna System. 2 Rohde & Schwarz HF – VHF/UHF – SHF Antennas ... Get Content Here
ANTENNA EXPERTS
Antenna Experts disclaims any liability or responsibility as a result of improper or unsafe installation practices. Complete antenna installation-cum-service manual and relevant test reports will be supplied along with the antenna. However if you ... Retrieve Document
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna For ...
The DBJ-2: A Portable VHF-UHF Roll-Up J-pole Antenna for Public Service Edison Fong, WB6IQN WB6IQN reviews the theory of the dual band 2 meter / 70 cm J-pole antenna and then makes detailed measurements of a practical, easy to ... Fetch Doc
A POOR MAN’s ANTENNA ANALYSER - GM3VLB
A POOR MAN’s ANTENNA ANALYSER (With sincere thanks to that outstanding engineer/designer, Jim Tregellas VK5JST (1), whose original work inspired me, for his ... Retrieve Full Source
'' EGGBEATER '' ANTENNA VHF/UHF ~ PART 2
'' EGGBEATER '' ANTENNA VHF/UHF ~ PART 2 ON6WG / F5VIF Summary Note : In Part 1, Fig 1 shows a maximum gain of 6.45 dBi. Several design attempts were made ... Read More
Development Of VHF Collinear Antennas, Matching - W0BTU
Antenna theory and practice of antenna home brewing. Some general principles of the design of collinear antennas, matching and feeding Antenna element lengths at frequencies in the VHF and UHF region is significantly affected by the element diameter. ... Document Retrieval
UHF-VHF Yagi Construction - Amateur Radio Projects
VHF/UHF Yagi Construction, KG4JJH Page 2 of 2 Horizontal polarization allows a shorter boom length because the mast can be attached in the center of the boom without interfering with the antenna’s pattern. ... Visit Document
Homebrew VHF/UHF Ground Plane Antenna
14 AWG solid copper wire Based on a design in the 2011 ARRL Handbook, page 21.63 N5YMthe antenna July 2013 For safety, bend over the end on the vertical ... Read Full Source
What Criteria Am I Looking For In An antenna? - W7AIA
What criteria am I looking for in an antenna? It is like looking for a car. How many people will it hold? What is the gas mileage? 2 wheel drive, 4 wheel drive, all wheel drive? ... View This Document
Satellite Yagi 2m 70cm Tape Measure Antenna Homebrew - First ...
Built a Yagi 2m 70cm Tape Measure Antenna for amateur radio satellites but this video shows me having a QSO of a repeater about 20-30 miles away. Inspiration ... View Video
Elements UHF yagui. Both of them are connected to a tiny duplexer. The whole are two linear polarized antennas with gain enough to work LEO FM satellites with an HT The IOio antenna ready to be put away The IOio antenna hung under the trunk lid ... Retrieve Doc
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