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• Practical Guanella 1:1 balun - This article proposes a lossy transmission line model of a practical Guanella 1:1 balun that is effective for all frequencies within and immediately adjacent to the pass band
  [ Hits: 3618 | Votes: 3 | Rating: 3.33 ]

• Where Does the Power Go - An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
  [ Hits: 739 | Votes: 3 | Rating: 10 ]
• Coaxial Transmitting Chokes - Understanding Common Mode and Differential Mode Currents on Transmission Lines by K9YC
  [ Hits: 1100 | Votes: 0 | Rating: 0 ]
• The Coaxial Line - Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
  [ Hits: 888 | Votes: 0 | Rating: 0 ]

• Pedestrian mobile HF antenna - This antenna allow transmission and reception on all bands between 7Mhz and 28 Mhz. Similar in concept to the Miracle Whip by VK3YE
  [ Hits: 2703 | Votes: 2 | Rating: 6 ]

• Antennas and Transmission Lines Myths - Antennas, Transmission Lines, Tuners - Myths, Mysteries and Qualifiers By Don Wilhelm W3FPR
  [ Hits: 572 | Votes: 2 | Rating: 10 ]

• 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: 5569 | Votes: 1 | Rating: 9 ]

• WD2XGJ Experimental Station - Experimental Longwave Transmissions from Tower Hill wayland Massachusetts Operator Name Warren, Ham Call K2ORS, Frequency: 137.7796 KHz
  [ Hits: 595 | Votes: 0 | Rating: 0 ]

• 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: 1702 | Votes: 6 | Rating: 1.67 ]

• 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: 613 | Votes: 1 | Rating: 10 ]

• Central Ohio Amateur Radio Emergency Service - Our Mission: To provide emergency communications to central Ohio public safety, emergency, health, government and relief agencies in times of disaster.
  [ Hits: 774 | Votes: 1 | Rating: 7 ]

• 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 ]

• NCVEC.org - The NCVEC is a not-for-profit voluntary association, with membership comprised of the various Federal Communications Commission (FCC) certified Volunteer Examiner Coordinators (VECs).
  [ Hits: 685 | Votes: 1 | Rating: 10 ]

• mikroElektronika books : Radio receivers - Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers
  [ Hits: 877 | Votes: 3 | Rating: 7.33 ]

• DStar- is anybody else worried about this? - D-Star is being promoted as a new digital voice transmission mode "For the second century of Amateur Radio" - but does it really fit into the spirit of the hobby?
  [ Hits: 410 | Votes: 0 | Rating: 0 ]

• Low Frequency Transmission Modes - Article by W1TAG on operating modes used on low-banding. The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF
  [ Hits: 438 | Votes: 0 | Rating: 0 ]

• FT-847 on 70 Mhz - A further study of the spurious emissions from an FT-847 on 70MHz
  [ Hits: 1781 | Votes: 1 | Rating: 8 ]

• 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 ]

• linSmith - Smith chart utlity - A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
  [ Hits: 1369 | Votes: 1 | Rating: 10 ]

• Coax cable data - Characteristics of commonly used transmission lines
  [ Hits: 3588 | Votes: 9 | Rating: 6.33 ]

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