Perpetual Motion Machine Publishing has posted a call for submissions for an anthology titled "Lost Signals". They're looking for "horror fiction about radiotelegraphy" of 1000 to 20,000 words. They have a list of links at the bottom of the call to give you an idea of exactly what they're looking for. The deadline is October 31 and payment is 1cent a word. You can find the call here, submissions are through Submittable.