Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is important.
FR5200H / FR6200H IDAS VHF/UHF Digital Repeaters 50W 100% Duty cycle operation Employing a high performance power amplifier, together with the solid h... Read more
Cape Verde Islands Back on the 5th of August 2018, Mark Turner EI3KD worked D4Z in the Cape Verde Islands off the coast of Africa to set a new IARU Re... Read more
RFinder B1 HT Radio, Android DMR and FM This is the device that you have been waiting for! The RFinder B1 is now available for pre-order. Imagine a d... Read more
New KPA1500 solid-state amplifier won’t take over your entire desktop: it’s just 4.5 x 13.5 x 11.5” (HWD; 11.5 x 34 x 29 cm). The lightweight companio... Read more
The winner of the July 2015 QST Cover Plaque award is Steve Lawrence, WB6RSE, for his article “Rebuilding a Receiving Flag Antenna for 160 Meters.” Th... Read more