A fierce tropical storm has caused floods and landslides that have killed up to 11 people in the Philippines. Tropical Storm Yagi lashed the north of the country overnight into Monday. The heavy rains ...

When [Jephthai] wanted to build his own Yagi antenna, he turned to MMANA software for antenna modeling. This is an antenna analysis program that uses the moment method to calculate parameters for ...

One of amateur radio’s many interests comes in portable operation, taking your radio to an out of the way place, usually a summit, and working the world using only what can be carried in. Often this ...