Inside DXZoneBest Links of the Week Top Amateur Radio links of the week Issue 1720 Best new links of the week Jun 18, 2017 1335 Building a CobWebb Antenna Sivan Toledo Homebrew a cobwebb antenna for the HF bands. This page describe a cobwebb multiband antenna resonating on 14 18 21 24 and 28 MHz. The cobweb antenna model can be considered a fan dipole, or better, multiple dipoles fed in parallel. Trapped Dipole for 15/20 Meters Bands VK3YY An easy to build dipole for 21 and 14 MHz with traps made by two T50-6 toroids cores mounted on a simple PCB foil Homebrew spectrum analyser Andrew Holme A 50 MHz homemade RF spectrum analyzer MorsePower Morse Man A blog about Morse but mostly about using CWCOM a simple but effective method to learn morse code, communicating using morse code over the internet 1 GHz RF Spectrum Analyzer GBPPR An homemade RF spectrum analyzer with full details on construction notes and planning. Includes block diagram, schematics and pictures Reparing a Heathkit SB-101 Sivan Toledo A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier Nemos Photgraphy – Morse Keys Gerry A collection of photographs of morse keys Parallel Square Conductor Transmission Line Calculator ON4AA Design a parallel square stock balanced transmission line with this calculator. K7CSW – Saltlake Peaks Amateur Radio Club K7CSW SPARC The Saltlake Peaks Amateur Radio Club, founded by employees of L-3 Communications located in Salt Lake City, Utah at the Communications Systems West Division. Special Call Activity Plan – Amateur Radio Union of Serbia Pedja Supurovic Special Call Activity Plan – Amateur Radio Union of Serbia. Check which special YU call signs are active.