Cable provider Spectrum and the History Channel joined veterans and middle school students in South Portland. John Calipari, Dan Hurley among latest college coaches to rip NCAA over James Nnaji ...

The Spectrum was not just a building on South Broad St., it was many other things for 43 years. It wasn't limited to just bricks and the steel on the inside, but served the city of Philadelphia for a ...

2017-06-03T22:29:37-04:00https://ximage.c-spanvideo.org ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Fig. 1: Operating at 17.2 kHz, the Alexanderson alternator rotating armature radio transmitter at ...

This article originally appeared in the print edition of Radio’s sister publication, TV Technology. We share it with readers who will be interested in spectrum management issues. THE BIG ISLAND To ...