Giving you a rare glimpse behind the scenes at Kenwood’s Communications Division factory at Yamagata, in northern Japan, this video shows our new flagship Amateur Radio transceiver the TS-990S being built. It’s not all robot machines — real people help to create a masterpiece of communications technology that’s rapidly won the hearts of many Amateur…
ARISS Station Setup tips by ARRL Video by ARRL
Propagation was quite poor when this video was recorded, but for better or worse, the SDRplay is connected to an 85 foot vertically oriented triangular loop and is simultaneously receiving the AM BCB, 75 meters, and 40 meters. Toward the end of the video, the 3 virtual receivers are tuned to 3885, 1885, and 7290,…
DC9DZ: Project Tsunami 100K – Power Amplifier (PA) using two 4CX15000A Frequency bands all HF amateur bands 1.8 MHz to 29.7 MHz Power supply 3 power supply transformers 35000 VA, 4800 VA & 3 VA Plate voltage 12000 V at full output power Screen voltage 1500 V stabilized Grid voltage – 385 V +/- 30…
Let the conspiracy theories resume! Alaska’s High-Frequency Active Auroral Research Program (HAARP) facility will reopen in 2017. The sprawling facility now is under the ownership of the University of Alaska Fairbanks (UAF), and the UAF Geophysical Institute is preparing HAARP for a new sponsored research campaign that’s set to begin early next year, UAF Researcher…