high

560 links - and 3 categories

W5JGV Mobile Antenna - W5JGV
A High Efficiency Extended Length Mobile Antenna The antenna itself is 3 42 meters or ...

[ Hits: 4124 | Votes: 5 | Rating: 6.2 ]

Another vertical antenna for 30, 40 and 80 meters
This article is to describe a multi band DX dedicated antenna offering a minimum of ...

[ Hits: 4377 | Votes: 4 | Rating: 3.5 ]

Falling Derrick Method of Tilting Up a Tower
A homemade 16 foot falling derrick to tilt up a 50 foot high 18 inch ...

[ Hits: 5835 | Votes: 11 | Rating: 4.36 ]

WA8YWO
High Frequency Expermental Beacon WV The Beacon operates on the frequency of 13 55567mhz This ...

[ Hits: 410 | Votes: 0 | Rating: 0 ]

Eoltec Wind Turbines
High efficiency, Best Wind Technology for Highest Performances

[ Hits: 415 | Votes: 1 | Rating: 10 ]

Tabor Electronics
Tabor electronics produces high end function generator universal counters timers synthesizers pulse function and arbitrary ...

[ Hits: 422 | Votes: 0 | Rating: 0 ]

Gage Applied Technologies
Gage applied technologies designs and manufactures high speed data acquisition systems high speed digitizers in ...

[ Hits: 550 | Votes: 0 | Rating: 0 ]

Signal Forge
The signal forge 1000 signal generator is a portable high performance digital and rf signal ...

[ Hits: 639 | Votes: 0 | Rating: 0 ]

Arizona Near Space Research
Arizona near space research promoting science and education by exploring frontiers in amateur radio and ...

[ Hits: 627 | Votes: 0 | Rating: 0 ]
AMSAT & High Altitude Balloons
Balloon Projects, scheduled launches at amsat

[ Hits: 534 | Votes: 1 | Rating: 9 ]
Suntracker: Wayne State University
Suntracker : high altitude, balloons, weather station, stratosphere, solar cells

[ Hits: 370 | Votes: 0 | Rating: 0 ]
Treasure Valley Near Space Program
Lighter, cheaper, higher. let's do launch!

[ Hits: 406 | Votes: 1 | Rating: 10 ]

New England Historical Radio Society - Stephen Russell
The New England Historical Radio Society Inc is an organization dedicated to the preservation of ...

[ Hits: 532 | Votes: 0 | Rating: 0 ]

Nuhertz Technologies
Leading supplier of low and high frequency electronic filter design products for the design of ...

[ Hits: 1720 | Votes: 3 | Rating: 7.67 ]
FilterCAD
A free computer aided design program to help users without special expertise in filter design ...

[ Hits: 11771 | Votes: 28 | Rating: 5.03 ]
AADE Filter Design - AADE ^updated
Dowwnload this free windows programs to design Butterworth Chebyshev Elliptic Caur Bessel Legendre and Linear ...

[ Hits: 24856 | Votes: 114 | Rating: 7.17 ]

RufzXP - Fabian, DJ1YFK
RufzXP is an excellent free training software for improving code speed and CW practice particularly ...

[ Hits: 11750 | Votes: 33 | Rating: 6.53 ]

Building High Power Amplifiers
SM5BSZ article on building VHF RF amplifiers

[ Hits: 1504 | Votes: 1 | Rating: 10 ]

Batteries and QRP
Thanks to the popularity of cell phones laptops and other personal electronic devices the battery ...

[ Hits: 506 | Votes: 0 | Rating: 0 ]

5th order High Pass VHF Filter
Sometimes many VHF UHF modern transceivers have problems with BROADCAST Interference and CROSS modulation from ...

[ Hits: 1211 | Votes: 8 | Rating: 6.12 ]