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Antennas : 2M
7 Elements YAGI for 144 Mhz
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- The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz
SSB/MGM band, in PDF Format
QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
Antennas for HF mobile operation
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- The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
How to Use an Antenna Tuner
- Get maximum power to your antenna by learning how to hook up and use a tunner to properly "trick" your rig
Freeland
- Vacuum tubes, power grid tubes, rebuilt vacuum tubes, rebuilt transmitter tubes, rebuilt uhf klystrons, rebuilt cermolox types, rebuilt eimac types, rebuilt thomson types
Brand Electronics
- Power meters
AR2 communications
- Complete catalog of low noise preamplifiers and microwave Gunnplexers.
Channel Master
- Low cost, reliable rotor with digital display remote control.
Ameco
- Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
Idiom Press
- CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.
Citel
- We have a wide range of power protectors and surge protection products available
Tokyo HY-Power
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- RF Aplifiers and accessories. Solid State RF Linear Amplifier Engineering and Antenna Tuners
RadioMirror Tutorials
- RadioMirror amateur packet radio multicast software is a powerful tool for distributing information to many hams at once, and can be especially useful during the course of an emergency
The HAM Contact
- Mobile antennas, alternative power sources, ham radio accessories
Wolverine Power Systems
- Wolverine Power Systems provides generators, rental, service and repair located in Holland, Michigan.
Test Equipment Depot
- New and Pre-Owned Agilent, Avcom, Fluke, Hewlett Packard, Instek, Leader, LeCroy, Tektronix,and more ..Oscilloscopes, Spectrum Analyzers, Network Analyzers, Power Supplies, Video Test Equipment, Generators, Meters and more
Techni-Tool!
- Techni-Tool is a distributor of electronic production tools, oscilloscopes, multimeters, power supplies, cases, tool kits, cutters, wrenches, crimpers, solder desolder stations, BGA, microscopes, lamps, static control, workstations, chairs, torque screwdrivers, tweezers, dusters, chemicals.
Solder-It Co.
- manufacture and distribute specialty low temperature solder pastes, butane powered torches, tools and a few other amazing products
AST Global Electronics
- New and Pre-Owned Agilent, Avcom, Fluke, Hewlett Packard, Instek, Iwatsu, Leader, LeCroy, Tektronix, etc. Oscilloscopes, Spectrum Analyzers, Network Analyzers, Power Supplies, Video Test Equipment, Generators, Meters and tons more
The mystery of the numbers stations
- In response to a question about Numbers Stations, their origin and
purpose, the following information should be of interest.
Nec2Go
- Powerful antenna modeling tool using NEC 2 computing engine. Nec2 specifically provide users, either those experienced with the Nec2 processes, or for those who are neophytes but want to model their own antennas.
Nec2Go uses a simplified process for defining the antenna structure and then providing view of the structure, plots (2D and 3D) and other significant data that is pertinent to the design.
This simplified process uses an edit file with equations for all definitions.
RodLog HAM radio logging system
- A site about RodLog, a HAM Radio logging system to replace the paper logbook and allow fast searching and analysis of the data.
Coaxial Cable & Power Handling
- This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest
Icom 706MKIIG mod of internal fan on rx
- Unlike the old Icom 706, the 706 MKIIG HF/VHF/UHF multi-mode ham radio transceiver do not keep its internal blower running all the time in receive mode.
Yahoo! Groups : TS-850S
- Welcome to TS-850S HF Transceiver Owners Group.
Group designed to discuss the attributes, usage and technical information sharing,
concerning this Classic Transceiver.
Please feel welcome to add your questions, information and comments. We hope you enjoy the Amateur Operators "Attribute of helping ones fellow operator". Valid AmateurCallsigns only, admitted.
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