Cheap Dual Band Radio

Waveguide Filter - Wikipedia
A waveguide filter is an electronic filter that is constructed with waveguide technology. Waveguides are hollow metal tubes inside which an electromagnetic wave may be transmitted. Filters are devices used to allow signals at some frequencies to pass (the passband ), while others are rejected (the stopband ). ... Read Article

THE ARROW ANTENNA - Sun Country Amateur Radio Society
The arrow antenna Then, we are searching for a linear polarized dual-band antenna lightweight enough to be handled easily with our hand to aim it at the satellites. ... Read More

Going Portable With The Amateur Radio Satellites - AMSAT-NA
I often use a Kenwood TH-78A dual-band HT and a lightweight Arrow Antenna to make contacts through one of our FM amateur radio satellites from the shores of Lake Huron in Michigan. ... Get Content Here

Blackbox Base Station Unboxing - YouTube
This is an unboxing and overview of the Blackbox Base Station Dual Band UHF/VHF Desktop Radio available from http://www.buytwowayradios.com/produc . ... View Video

This Illustration Example Uses - BaoFeng Radio
Project: X-Band Repeater with 2 BTECH Mobiles BaoFengTech.com BaoFeng Tech Page 2 of 4 On the other radio select the upper display (with the A/B Button). ... Retrieve Content

Retevis RT82 DMR Dual Band Handheld Radio Review - Ham Radio ...
The Retevis RT82 DMR Dual Band Handheld Radio is a Motorola Tier I & II compatible DMR radio with 3000 channels, 5 watt output power on VHF and 4 watts UHF. ... View Video

Choosing A Ham Radio - American Radio Relay League
Antenna can be used indoors or a dual-band base antenna can be mounted outside, using coaxial cable to connect the radio and antenna. For operation from ac power, ... Doc Retrieval

VHF/UHF Quad Antenna - IW5EDI Simone - Ham-Radio
VHF/UHF Quad Antenna The information in this article has come from many amateur sources, the most notable was Quads are easy and cheap to build; also a Quad is the foundation for the Quagi antenna. some amount of antenna RF energy, thus, taking received signal from the radio RF amp/1st ... Get Content Here

Phonograph - Wikipedia
The phonograph is a device for the mechanical recording and reproduction of sound.In its later forms, it is also called a gramophone (as a trademark since 1887, as a generic name in the UK since 1910) or, since the 1940s, a record player. The sound vibration waveforms are recorded as corresponding physical deviations of a spiral groove engraved, etched, incised, or impressed into the surface ... Read Article

List Of IOS Devices - Wikipedia
This is a list and comparison of devices designed and marketed by Apple Inc. that run a Unix-like but has no cellular radio or other cell phone hardware, and the iPad tablet computer. All three devices function as digital audio and Dual-band CDMA/EV-DO Rev. A (800, 1,900 MHz) In addition ... Read Article

Cheap Yagi Antennas For VHF/UHF - Repeater Builder
Cheap Yagi Antennas for VHF/UHF by Kent Britain, WA5VJB edited by John Maca, AB5SS [Editors notes: The antennas described in this article were built as the result of several discussions between Kent and a Cuban radio operator. While there are plenty of high performance antenna designs, ... Fetch This Document

Stealth Antennas
Prior written permission of the Radio Society of Great Britain. Publisher’s note multi-band antenna. 4. Stealth antennas for the loft Fig 4.2(a): You can see that when erected in a straight line the dipole is quite directional. ... Retrieve Here

G7FEK Limited Space Antenna - G7FEK Amateur Radio Exeter ...
G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. ... Read More

STEVE SMITH KM4CJ - Huntsville Amateur Radio Club HARC
STEVE SMITH . KM4CJ. What Is A ‘Go kit’ ? A Go-Kit is made up of a portable "Amateur radio" station and assorted personal gear that can quickly be assembled to respond to a "Call To Service". What the kit will consist of depends Dual Band is recommended. Mono -Band OK. ... Access Document

70 Watts Cheap On 2304 MHz Modifying A 1900 MHz PCS Amplifier ...
The band pass filter is of no use for amateur operation at 2304 MHz as it is obviously made to pass frequencies in the 1900 MHz PCS band. Power Amplifier Schematic – The figure below is a detailed schematic of the final stage of ... Fetch Doc

Work FM Satellites With Your HT!
Work FM Satellites with your HT! For SO-50, set up your radio to tune for the Doppler effect on the 440 Arrow's Model 146/437-10WBP is a dual-band cross-Yagi design, with a diplexer built into the handle, with 3 elements on 2M and 7 on 440. See it in action in the December, 2007 issue ... Return Doc

TYT UV8000E Dual Band 10W FM HT Review - YouTube
The radio also has a crossband repeater function/mode which allows you to either use it as a normal repeater or to use it to talk to someone on the other band for example if your radio can only do ... View Video

APRS Digipeater In A Box
Introduced its TM-D700A dual band (144 and 440 MHz) transceiver. The TM- APRS Digipeater in A Box N2YGK’s aprsdigi supports the WIDEn-n and TRACEn-n digipeater plentiful and cheap. The Cons The “original” APRS digipeater does not ... Fetch Doc

Single Chip 433/868/915 MHz Transceiver NRF905
NRF905 is a single-chip radio transceiver for the 433/868/915 MHz ISM band. The transceiver consists of a fully integrated frequency synthesiser, receiver chain with demodulator, a power amplifier, a crystal oscillator and a modulator. The ... Read Full Source

D-STAR System Introduction - Icom America
D-STAR System Introduction. Five Examples of Having Fun with D-STAR GPS satellite Repeater A Repeater B The “D-STAR” stands for Digital Smart Technology for Amateur Radio. It is an open 144/430(440)MHz Dual Band Transceiver ID-880H 144/430(440)MHz Dual Band Transceiver IC-2820H + UT-123 ... View Doc

Controlled Impedance Cheap Antennas Kent Britain WASVJB
At this band the antenna is getting very practical and easy to build. but sometimes a newcomer needs a cheap antenna to get into a repeater Radio Shack 118" dia Aluminum ground wire Catalog # 15- 035 was used in the prototype for all the elements except the Driven element. Other 118" dia ... Doc Viewer

Mobile & Portable Antennas & Mounts - HARC Home
Mounts – cheap ball, stainless steel or all brass antenna at all. $130 and it has dual meters. Project above need a match box for all bands I use a dual band mag-mount on the roof for 2M/70cm and the Hustler for all other bands. I use either Hustler or Hamsticks ... Content Retrieval

VHF / UHF Direct Connect Beams - Ercinfo.webs.com
Cheap Yagi Antennas for VHF/UHF From Clear Lake Amateur Radio Club by Kent Britain, WA5VJB edited by John Maca, AB5SS presented an SWR of 1.5:1 across the top 2 MHZ of the band (146-148mhz)"..KA8OGD . A note or two more about experimenting with this antenna: MAXIMUM SIGNAL IS OFF BOTH ... View Document

Cheap LEO Antenna - WA5VJB
Cheap Antennas for the AMSAT LEO's Kent Britain -- WA5VJB Cheap LEO Antenna Drew, KO4MA, using the Cheap LEO antenna during a Dayton AMSAT LEO Demonstration Hand held dual band antennas are popular for QSO's through many of the Low Earth Orbit (LEO) ... Get Content Here