I flew into Baltimore and couldn’t meet my niece for a few hours and needed a diversion until after she got off work. So, I looked around and found the National Electronics Museum. I don’t know what I expected, but I just have to investigate these small museums. Now this one from the outside definitely has a military look with all the big radars and antenna out front. As it was created by people who were military contractors I expected maybe I’ll find all the junk that is no longer top secret. Well it seems that people who retire in this industry have devoted a huge amount of time to saving the history that they created in the electronics industry and the military industrial complex. So different types of radars are listed, displayed,
explained, and done so in a very understandable way. It is quite enlightening. then they talk about types of radios and how they were used to solve various puzzles to defend England, America, our troops, and other bits of history. To examine the satellites used for communications and their history was likewise eye opening in that all of the explanations in this museum are definitely from a different a point of view and one might read in a sanitized history book.
For instance when the Germans were bombing London they were using various frequency bands that used together gave them targeting system that they could use day or night. One ingenious fellow took to the problem. He investigated in the frequency bands that were not being used by our systems and found their targeting frequencies. Continue reading