S is for Signal #AtoZChallenge

The A to Z Challenge asks bloggers to post 26 posts, one for each letter of the English alphabet, in April. Most of us choose to make these posts on a particular theme. My theme for 2023 is 1943 Washington D.C., the setting of the novel that I'm writing. Visit daily in April for a new post on my topic.

S is for Signal

The characters in my novel are codebreakers at Arlington Hall, working for an agency in the Army Signal Corps.

First, let's figure ...