ISS

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ISS

443 links - and 7 categories

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: 3647 | Votes: 0 | Rating: 0 ]
Antennas : Feed Lines
  • Where Does the Power Go - An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
    [ Hits: 735 | Votes: 3 | Rating: 10 ]
Antennas : Helical
  • Axial-Mode Helical Antennas - Notes on Axial-Mode Helical Antennas in Amateur Service. Helix Basics, Modeling Issues, and Short Helical Antennas Over Perfect Ground
    [ Hits: 1651 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Another way to look at vertical antennas - What iss the difference between a dipole and a vertical? Maybe not as much as you think. Come along and try another point of view.
    [ Hits: 4045 | Votes: 0 | Rating: 0 ]
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: 3974 | Votes: 5 | Rating: 6.2 ]
  • The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
    [ Hits: 5567 | Votes: 1 | Rating: 9 ]
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: 426 | Votes: 1 | Rating: 10 ]
  • Wisconsin Antique Radio Club - Online - Mission is to preserve the history and enhance the knowledge of radio.
    [ Hits: 1044 | Votes: 3 | Rating: 6.67 ]
DX Resources : Contest : Contest Results
  • 3830 Score Submittal Forms - This site is an expansion and replacement of the original 3830 score reporting forms site previously located at hornucopia.com. Its purpose is to make it easier for contesters to share their claimed scores and comments immediately after a contest. Score submissions are posted to the 3830 Reflector
    [ Hits: 1699 | Votes: 6 | Rating: 1.67 ]
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: 610 | Votes: 1 | Rating: 10 ]
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: 630 | Votes: 1 | Rating: 8 ]
Ham Radio : Clubs : North America : USA : Missouri
  • SMARC  updated - The Southwest Missouri Amateur Radio Club, based in Springfield, Missouri, was incorporated in 1956 as a "benevolent organization" with the purpose of service to the community.
    [ Hits: 574 | Votes: 2 | Rating: 10 ]
Operating Modes : Packet Radio
  • The KISS Protocol - The KISS TNC provides direct computer to TNC communication using a simple protocol. KISS is a simple Host-to-TNC communications protocol
    [ Hits: 539 | Votes: 2 | Rating: 3.5 ]
Radio Equipment : HF Transceivers : Yaesu FT-847
  • FT-847 on 70 Mhz - A further study of the spurious emissions from an FT-847 on 70MHz
    [ Hits: 1778 | Votes: 1 | Rating: 8 ]
Shopping and Services : Marine Radio
  • National Electronics - CB Radios, Marine, 2 way radios scanners and towers from Shawnee Mission KS USA
    [ Hits: 1354 | Votes: 1 | Rating: 1 ]
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: 1205 | Votes: 4 | Rating: 9.25 ]
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: 7943 | Votes: 14 | Rating: 4.79 ]
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. Click to donwload ChirpPix zip file.
    [ Hits: 1570 | Votes: 1 | Rating: 9 ]
Technical Reference : Coax Cables and Connectors
  • Coax cable data  updated - Characteristics of commonly used transmission lines
    [ Hits: 3587 | Votes: 9 | Rating: 6.33 ]
Technical Reference : Test Equipment
  • How to make a Q meter - This article appeared in the February issue of Amateur Radio and is reprinted here for the convenience of others
    [ Hits: 3053 | Votes: 10 | Rating: 7.3 ]

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