HF Noise! - N0GW
An antenna that is providing you with good signal reports from distant locations. The All HF radio receivers these days have sufficient RF signal gain (amplification) that especially in cheap consumer electronic equipment, will leak ... Fetch Content
Military Auxiliary Radio System - Wikipedia
The Military Auxiliary Radio System (MARS) is a United States Department of Defense sponsored program, established as a separately managed and operated program by the United States Army, and the United States Air Force. The United States Navy-Marine program has been closed. ... Read Article
Radial Systems For Verticals Rev2.1.pub (Read-Only)
ARRL Antenna Handbook is a good source for additional information. Rudy Severns, N6LF, has some excellent technical articles about radial systems on his website at antennasbyn6lf.com. ... Visit Document
A Portable 2-element VHF Yagi - FVARC
A portable 2-element VHF yagi May, 1997 Here's a simple Saturday project: build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4" CPVC pipe with one tee, and a bit of time. ... Access Content
ZEROFIVE-ANTENNAS
Vertical that has HF band coverage without lossy traps and tricky adjustments meter antennas aren’t cheap! antenna is being lowered in high winds you should have a second person to safely lower it. ... Get Content Here
What Is It? Why Do I Care? How Can I Make One!
• HF DX signals are constantly changing in polarization • The loop may be vertical or horizontal depending on feed point • Vertical polarization is preferred when antenna is low ... Access Full Source
Hi-Q Series HF Mobile Antennas
It is a center loaded HF mobile antenna. The Hi-Q Antennas™ design is not a cheap copy of the original Don Johnson screwdriver antenna. These Hi-Q Antennas™ products have the highest radiation efficiency and the highest level of quality ... Return Document
Radar Configurations And Types - Wikipedia
Radar configurations and types is an article about listing the different uses of radars ... Read Article
Determining Short HF Antenna Efficiency - Qsl.net
Determining Short HF Antenna Efficiency Phil Salas - AD5X AD5X Short Antenna Efficiency Search for the Ideal Antenna Unobtrusive Very Small Cheap 100% Efficient TANSTAAFL A short antenna capacitance ~ 30 pf (depends on length). z. ... Retrieve Here
Receive Antenna Interface For Transceivers - DX Engineering
3 Introduction The patented* DXE-RTR-1A Receive Antenna Interface for Transceivers is a unique and simple, multi-purpose relay unit which automatically switches the RF output antenna connector on any HF transceiver between a receiving antenna system and a standard transmitting antenna. ... Read Content
“SAFARI” INVERTED V ANTENNA (they are usually very cheap) – I bought a 4 metre length of pipe in Cyprus last year which hoisted the roach pole up a further 10 feet plus. “Can you hear me Mother?” : a portable dipole for all seasons. ... Read Content
Outdoor Scanner-Ham Discone Antenna
The antenna is designed to provide high efficiency when receiving and transmitting signals on selected frequencies. Your antenna receives VHF and UHF frequencies between 25 MHz and 1300 MHz (1.3 GHz), and transmits effectively at 50, 144, 220, 440, 900, and 1296 MHz. ... View Doc
Stealth Antennas - Thunderbird Amateur Radio Club
With simple antennas • on HF • on VHF / UHF Temporary HF antenna: • Can be cheap (eg. Fishpoles with wire, 10m with RadioShack 102” whip) Hidden HF dipoles House S of 59th and Union Hills Hide in attic, around outside of house, or ... View Document
Antennas & Transmission Lines - WNDW
4 Antennas & Transmission Lines The transmitter that generates the RF 1 power to drive the antenna is usually located at some distance from the antenna terminals. The connecting link between the two is the RF transmission line.Its purpose is to carry RF ... Get Document
Simple Broadband Antenna For The 40- Meter Band
ANTENTOP- 01- 2014 # 018 Simple Broadband Antenna for the 40- meter Band Igor Grigorov, va3znw The Simple Broadband Antenna was designed on base of my local environment and taking into account the ease/cheap to do. Figure 1 shows the antenna. Three points there are need to install the antenna ... Access Content
Radio Antennas | How To Make A CHEAP And Temporary Radio ...
Top 20 Best Radio Antennas 1. TV Antenna, Gipow Amplified HDTV Antenna 75 Mile Range with Detachable Amplifier USB Power Supply Signal Booster Upgraded Version Better Reception, 16ft High ... View Video
CB Radio In The United Kingdom - Wikipedia
CB radio in the United Kingdom. (HF) licence, for conversion to the 28 MHz (10-metre) amateur allocation. Many cheap toys and household remote control equipment also use the frequency, adding to the interference and lack of reliability which is still a feature of this band. ... Read Article
Home Brew 20 Meter DiPole Antenna From cheap ... - YouTube
Cheap DIY Dipole out of speaker wire, 1.5 SWR, amazing results. ... View Video
Five Minute Portable 40m Ground Plane antenna! - YouTube
This video is about a simple portable 40m ground plane antenna that will go up in only five minutes flat! My back yard HF vertical antenna build part 1. Cheap SOTA or Stealth 40m Antenna ... View Video
The 'Tenna Dipper: A Poor Man's Antenna Analyzer
Using an Antenna Analyzer Can Be Problematic • They can be expensive (good ones are very expensive) - $99 to $$$$ • Many antenna analyzers must be calibrated in ... Fetch Doc
SIMPLE FORMULAS FOR FOLDED ANTENNAS
Antenna end effect, discussed in detail by the author in a recent article [4]. It is readily calculated using the formula, In Equation 4, Z0c is the common mode characteristic impedance and Zs is the parallel ... Visit Document
Antenna Toolkit - N5DUX
Antenna Toolkit 2nd Edition JosephJ.Carr,K4IPV Newnes that they can provide decent performance on the cheap. As one who has difficulty erecting that antenna. Finally, most high-frequency (HF) short-wave antennas are really easy to ... Read Here
VHF/UHF Quad Antenna - IW5EDI Ham Radio
VHF/UHF Quad Antenna The information in this article has come from many amateur sources, the most notable was The more antenna tuners, matching devices, and electronic Quads are easy and cheap to build; also a Quad is the foundation for the Quagi antenna. Quagi’s, are the brain child ... View Doc
By Kent Britain, WA5VJB A Cheap And EZ HDTV Antenna Project
THE ANTENNA ROOM by Kent Britain, WA5VJB A Cheap And EZ HDTV Antenna Project Photo A. Easy-to-build HDTV antennas. www.popular-communications.com September 2008 / POP’COMM / 23. HF Specialty Pak 2 in 1- Two programs on one DVD for only $24.95 ... Read Here
THE ARROW ANTENNA - Sun Country Amateur Radio Society
Cheap. Last year I published three articles in the Unión de Radioaficionados Españoles you could contact with the same countries than a HF station, so you could enjoy this One of the most wide spread designs is the ARROW antenna. This antenna is ... Fetch Here
No comments:
Post a Comment