{"title": "History of communications electronics in the United States Navy", "subjects": ["Communication systems", "Electronic installations", "United States", "United States. Navy", "Guided missiles", "Electronic equipment", "Maximum usable frequency (Radio)", "Wireless communication systems", "History", "Naval History"], "key": "/works/OL7387253W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2210276A"}}], "type": {"key": "/type/work"}, "covers": [14979773], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T21:02:28.239570"}, "last_modified": {"type": "/type/datetime", "value": "2025-12-23T04:12:19.530904"}}