dual band radio

20 links about dual band radio on dxzone.com

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The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It’s compact, light, economical and doesn’t need any radial.
[Hits: 9182 | Votes: 0 | Rate: 0.00]

40-80 Half-Extended Double Zepp Antenna - A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting
[Hits: 8450 | Votes: 6 | Rate: 3.33]
Dual Band Dipole 20-40m - A simple dipole built for two-band operation can be used for portable use and operate 20 and 40 meter bands
[Hits: 4544 | Votes: 9 | Rate: 6.60]

VHF/UHF Wideband Portable Dipole - A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU
[Hits: 2443 | Votes: 2 | Rate: 5.50]

A J-Pole for 2-meters and 70-cm ^pop - An Easy Dual-Band VHF/UHF Antenna from QST September 1994
[Hits: 74148 | Votes: 73 | Rate: 6.40]
Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm
[Hits: 3807 | Votes: 4 | Rate: 7.75]
144-430 portable j-pole antenna ^pop - A portable dual band j-pole antenna
[Hits: 32906 | Votes: 14 | Rate: 6.22]
Dualband J-Pole antenna - A VHF / UHF J-pole vertical antenna de ON6MU
[Hits: 2806 | Votes: 14 | Rate: 3.21]

Copper Cactus Dual-Band - Copper Cactus Dual-Band Super J-Pole Antenna Project 2 meter 70 Cm Home brew antenna
[Hits: 3118 | Votes: 3 | Rate: 9.67]

VHF UHF Dualband vertical antenna - Homebrew a dual band vertical antenna
[Hits: 741 | Votes: 0 | Rate: 0.00]

RM Italy ^pop - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more
[Hits: 38713 | Votes: 92 | Rate: 5.98]

Albuquerque Transmitter Hunting - An active group of Amateur Radio operators who locate hidden transmitters for fun and in times of need, such as determining the source of interference to local repeater systems or individuals who use the Amateur Radio bands illegally.
[Hits: 260 | Votes: 0 | Rate: 0.00]

Radio Equipment : VHF-UHF Handhelds : Baofeng UV-3R

Baofeng UV-3R Yahoo Group - This group is for support and discussion of the Baofeng UV-3R micro dual band VHF/UHF radio.
[Hits: 109 | Votes: 0 | Rate: 0.00]

Radio Equipment : VHF-UHF Handhelds : Kenwood TH-D7A-E

TH-D7A Review - The Kenwood TH-D7A dual-band data HT by Alan Crosswell, N2YGK
[Hits: 193 | Votes: 0 | Rate: 0.00]

Radio Equipment : VHF-UHF Handhelds : Yaesu VX-8R

YouTube - Yaesu VX-8R Tri-Band Handheld Ham Radio Transceiver - Package contain 1x yaesu vx-8r 1x sma dual section antenna 1x hf antenna lithium ion battery pack fnb-101li 1x battery charger nc-86c 1x connector unit
[Hits: 563 | Votes: 2 | Rate: 7.50]

Bandercom - Radio sales to over 60 countries, source for all communication equipment, individual hobbyists, professionals and dealers.
[Hits: 6756 | Votes: 9 | Rate: 5.92]

BR-universal-Filt - Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable
[Hits: 4590 | Votes: 14 | Rate: 8.14]

A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
[Hits: 4243 | Votes: 6 | Rate: 6.17]

QRM and noise reduction Priority listing - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
[Hits: 3418 | Votes: 4 | Rate: 8.00]

Cross Band Repeating - The purpose of a cross band repeater is the same as any radio repeater. It allows stations to communicate that ordinarily would not be able to do so because of the distance or terrain between them. A cross band repeater is implemented using a dual band 2 meter - 70 cm radio by KJ6RZ
[Hits: 265 | Votes: 1 | Rate: 10.00]

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