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ISS
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Antennas : 160M
- A Potpourri of 160-Meter Verticals
- A potpourri of 160-Meter vertical antennas and modeling issues, inverted-L, 3-element parasitic array, 1/4-wavelength monopole
[Hits: 2919 | Votes: 0 | Rate: 0.00] Antennas : Feed Lines
- Let's talk transmission lines
- Don’t neglect one of the most important parts of your station!
[Hits: 634 | Votes: 3 | Rate: 9.00] - Transmission Lines
- About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
[Hits: 323 | Votes: 0 | Rate: 0.00] - AA3RL Transmission Line Calculator
- Excel spreasheet that calculate virtually every transmission line parameter that one may need.
Include Length conversions, Reactance and Length of Stubs
[Hits: 3664 | Votes: 8 | Rate: 6.88] - Where Does the Power Go
- An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
[Hits: 484 | Votes: 3 | Rate: 10.00] Antennas : Theory Antennas : Tuners
- Putting a Balun and a Tuner Together
- Two wire transmission line as a three terminal Device , The W2DU and W7EL models of a choke balun, The effectiveness of a balun. Article by Kevin Schmidt, W9CF
[Hits: 3346 | Votes: 5 | Rate: 6.20] Antique Radios : Clubs
- Michigan Antique Radio Club
- Michigan Antique Radio Club, or MARC. The MARC was officially founded October 19, 1985 at the Dillon Inn (now the Hampton Inn) in Lansing, Michigan. Our mission: To preserve the history and enhance the knowledge of radio, television and related disciplines
[Hits: 251 | Votes: 1 | Rate: 10.00] - Wisconsin Antique Radio Club - Online
- Mission is to preserve the history and enhance the knowledge of radio.
[Hits: 557 | Votes: 3 | Rate: 6.67] Contesting : QSO Party
- Missouri QSO Party
- The Missouri QSO Party is open for participation by all licensed amateur operators world-wide. The object of the contest is to work as many stations as possible during the contest period.
[Hits: 349 | Votes: 1 | Rate: 10.00] DX Resources : Beacons : 10 meter beacons DX Resources : QSLing
- Trusted QSL
- The mission of the Trusted QSL Group is to keep eQSL an open and free activity for amateur radio operators by promoting the Digital Signature Standard (DSS).
[Hits: 373 | Votes: 1 | Rate: 10.00] Ham Radio : Clubs : North America : USA : California
- CVARC Coachella Valley ARC
- Mission is to provide a forum and learning environment where club members and visitors can share ideas and experiences regarding amateur radio.
[Hits: 368 | Votes: 1 | Rate: 8.00] - IECARO - Inland Empire Council of Amateur Radio Organizations
- The purposes of IECARO are, to provide a forum for all member organizations wherein each will benefit from the experiences of the others, To provide a vehicle for periodic sponsorship of the ARRL Southwestern Division Convention, To develop a consensus on current issues before the Amateur Community within the IECARO Service Area
[Hits: 349 | Votes: 0 | Rate: 0.00] Ham Radio : Clubs : North America : USA : Texas
- Clear Lake Amateur Radio Club
- CLARC was founded in 1987 as an ARRL Special Services Club and is an IRS 501(c)3 not-for-profit organization serving the NASA/Clear Lake area of Houston, Texas. Our mission is to expand the visibility of amateur radio through education, training, and fellowship and to use our capabilities for the public good
[Hits: 159 | Votes: 1 | Rate: 5.00] Ham Radio : Demographics Manufacturers : Towers and Accessories
- Rajessh Eng. The Tower Company
- Rajessh Engineers is a general Purpose designing, fabricating, and commissioning of communication towers, transmission towers, sub-station structures and their accessories. Rajessh Engineers located at IT Highway, Sholinganallur, Chennai, Tamil Nadu, India.
Rajessh Engineers is an engineering steel fabricating company to meet the highly specialized needs of the communication, power industry.
[Hits: 301 | Votes: 0 | Rate: 0.00] Operating Modes : RTTY Shopping and Services : Marine Radio
- National Electronics
- CB Radios, Marine, 2 way radios scanners and towers from Shawnee Mission KS USA
[Hits: 897 | Votes: 1 | Rate: 1.00] Software : Antenna analysis
- TLDetails
- Transmission Line Details. This utility program shows the impedance and SWR at both ends of a transmission line and the details of power loss in the line. It includes characteristics for over 40 built-in line types. You can modify these values to see how small changes affect the results or to specify custom lines. All program inputs may be changed directly or you can use spin buttons to make the changes. If you are using a moderately fast computer you can hold down a spinner and "watch the movie" on the charts as the results are recomputed. By AC6LA
[Hits: 706 | Votes: 4 | Rate: 9.25] Software : DSP
- glfer
- glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time
the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes
[Hits: 1073 | Votes: 0 | Rate: 0.00] Software : Decoders
- DTMF decoder
- A very easy to use program to decode DTMF dial tones found on telephone lines with touch tone phones. The DTMF Decoder is also used for receiving data transmissions over the air in amateur radio frequency bands.
[Hits: 4010 | Votes: 3 | Rate: 7.00] Software : Hellschreiber
- ChirpPix
- ChirpPix converts a bitmap image to a wave file, which can then be sent by a SSB transmitter and received on spectrogram waterfall displays
Image Transmission using ChirpPix and ChirpHell
[Hits: 761 | Votes: 0 | Rate: 0.00] Software : Packet
- Packet Engine Pocket PC
- Packet Engine For PocketPC (Windows Mobile 5 and more). It can be used with KISS TNCs only.
[Hits: 1213 | Votes: 1 | Rate: 4.00] Technical Reference : Coax Cables and Connectors
- Coax cable data
- Characteristics of commonly used transmission lines
[Hits: 2842 | Votes: 7 | Rate: 7.86]
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