CQ Communications, Inc., will launch multi-platform digital editions of all of its magazine titles before the end of 2011, Publisher Richard Ross, K2MGA, announced today. Those titles include CQ Amateur Radio (CQ magazine), CQ VHF, Popular Communications and WorldRadio Online. Many CQ book titles are already available in digital form on CD. “The digital editions…
The last couple of days have shown both the good and the bad sides of increasing solar activity, says Steve G0KYA. He adds that Sunday and Monday were fantastic examples of how high levels of solar activity/sunspots, coupled with quiet geomagnetic conditions, can make the bands come alive. “The solar flux index was up to…
The ‘Retro-75’ 75/80 Meter AM Transceiver board kit & The ‘Retro-40’ 40 Meter AM Transceiver board kit This project is a frankly nostalgic look back at our hobby of 50 years ago. It’s now been updated using all modern components. Features: Board size 3.5” x 5.27” Tunable Receiver- 50 kHz, selectable, varicap-tuned 4 kHz receiver…
The inductor calculator presented on this page is unique in that it employs the n=0 sheath helix waveguide mode to determine the inductance of a coil, irrespective of its electrical length. This allows for more accurate inductance predictions at high frequencies. Furthermore, the calculator closely follows the National Institute of Standards and Technology (NIST) methodology…
IT9RYH, also known as “Nino”,or PIPO as i want to call him,has been active on 20 meters as long as I can remember. There’s only one problem: his equipment knows only one frequency, 14.195 MHz. In winter evenings he is jamming the dx on 40m and 80m as well (when he finds out how his…