Despite this failure, the Dutch authorities allowed De Groot to continue with his long-wave radio
experiments at Malabar and he managed to establish a regular long-wave connection with Kootwijk in the years that followed.
Air Force Space and Army Space teamed up for an initiative on a high-altitude long-wave radio
She and Pierson got excited about two of the newer cabinets, one from the '50s that contained a working short-, medium-, and long-wave radio
and turntable; the other a sleek little combo piece with a '60s-era secretary on one side and a bar on the other.
The cost of launching long-wave radio
station TEAMtalk 252 - also on teamtalk.com/252 - combined with falling sales, is expected to produce annual revenues "significantly below market expectations".
At the time, long-wave radio
broadcasts were used principally by the Japanese military.