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Antennas : Baluns

• A Mini-Balun BLT - A mini balun 1:1 4:1 project by WV0H
  [ Hits: 1029 | Votes: 1 | Rating: 10 ]
• 9:1 Balun and Unun - Homebrew a 9:1 transformer and measurement for testing purposes with a miniVNA
  [ Hits: 109 | Votes: 0 | Rating: 0 ]

• Echelon-Log Beverages - About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays. This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.
  [ Hits: 1860 | Votes: 1 | Rating: 10 ]

• How to install a Mini Whip antenna - Notes on how to properly install a Mini Whip receiving antenna in an noisy urban environment.
  [ Hits: 361 | Votes: 3 | Rating: 6.67 ]

• 435 MHz satellite receiving antenna - A UHF antenna for satellite reception. Anntenna mast is in wood, made with two aluminium rods
  [ Hits: 1537 | Votes: 4 | Rating: 6 ]

• Z-Match 100 and mini Z-Match - This is a one for all antenna tuner with wide range tuning on all the HF bands. The tuner is based on a G3WQW design. DIY project by PD7MAA
  [ Hits: 923 | Votes: 0 | Rating: 0 ]
• Z-Match 100 and mini Z-Match - This is a antenna tuner with wide range tuning for antennas with a Z of + 50 Ohms on all the HF bands.
  [ Hits: 298 | Votes: 0 | Rating: 0 ]

• Ham Logs Online - Put your Ham Logs online, compare contest scores, send and receive electronic QSL requests and more. The place to see if you finally worked them!
  [ Hits: 2600 | Votes: 6 | Rating: 1.83 ]

• Icom IC-756PROIII - Icom UK Discontinued products - A page dedicated tho the IC-756PROIII transceiver. This radio, discontinued, incorporates many of the features that made its predecessors so successful. However, the integration of the latest technology employed in the IC-7800 such as receiver technology, +30dBm class IP3, miniscope makes this new rig the very pinnacle of the IC-756PRO series.
  [ Hits: 162 | Votes: 1 | Rating: 9 ]

• Yaesu FT-100 specifications - The Yaesu FT-100 is a miniature mobile transceiver that provides coverage of the 160 to 6 meter bands plus the 144 MHz and 430 MHz bands
  [ Hits: 1842 | Votes: 0 | Rating: 0 ]

• QRP Transceiver Kits Mini-Review - AR5X review of popular CW QRP transceiver kits
  [ Hits: 510 | Votes: 0 | Rating: 0 ]

• EA3GCY Radio Kits - Amateur radio kits online shop, includes Mini Touch Key, QRP HF SSB and CW transceiver kits
  [ Hits: 593 | Votes: 0 | Rating: 0 ]

• RCKLog - RCKLog is a windows freeware program for logging and administration of SSB and CW-Contest with simultaneous control of transceiver and real-time operation of Packet-Radio.
  [ Hits: 1635 | Votes: 28 | Rating: 8.56 ]

• Mini logbook - A neat free little tool to log your contacts. It automatically looks up previous contacts with recent call. Select text in MRP40 Rx- window. Auto insert that text into MiniLog via double click. By Polar Electric
  [ Hits: 1569 | Votes: 2 | Rating: 5 ]

• MiniDeluxe - MiniDeluxe is a light-weight replacement for Ham Radio Deluxe that provides interoperability with FlexRadio's PowerSDR and Ham Radio Deluxe's Logbook and digital mode programs
  [ Hits: 2621 | Votes: 0 | Rating: 0 ]

• Ham Call Lookup - Windows Phone - Ham Call Lookup is an windows phone app that allows you to perform amateur radio callsign lookups via QRZ.COM. It also incorporates DX cluster feeds, DXCC information retrieval and Solar data all within one application on your Windows Phone. For callsign lookups, the application uses the QRZ.COM XML interface, please register at QRZ.COM for an account if you do not already have one. The application will happily work with a free QRZ.COM account although it is recommended to use a paid account, as a minimum the XML Logbook Data paid option, in order to access the full functionality of callsign lookups within the application.
  [ Hits: 204 | Votes: 0 | Rating: 0 ]

• Understanding Impacts of 75-ohm Devices in 50-ohm Systems - This article explores the implications of using 75-ohm devices, common in TV setups, within 50-ohm systems. While mismatched cables and connectors may lead to minimal consequences in receive-only setups, potential losses and reduced isolation in splitters and taps are examined. The article concludes that, for general applications, inexpensive TV-type components can offer reasonable performance with some trade-offs
  [ Hits: 149 | Votes: 2 | Rating: 9.5 ]

• DIY EMC/RFI Mains Filter for a Clean Shack - Utilizing snap-on ferrite cores and practical insights, the author enhances their shack's cleanliness against electromagnetic interference. With meticulous experimentation and installation, they improve noise levels across HF bands, reflecting on the effectiveness of their filter in minimizing common-mode disturbances. Updates underscore ongoing refinement and cautionary advice for optimal filtering and radio reception amid changing RF environments.
  [ Hits: 153 | Votes: 1 | Rating: 10 ]