I appreciate it when folks get ahold of me and point out issues, inconsistencies, or flat out errors in my published works, both my book and this website. It gives me the opportunity to make corrections or further explain something.
In this case, a man name “Bob” wrote to me and said…
I looked back at the documentation for the TC-497, Phase 4 booklet and found the reference for the AN/VRC-12 radio set. Sure enough, the radio set is noted as the AN/VRC-12. In my book, I incorrectly wrote it was the AN/NRC-12.I searched my documentation and the internet for references to this radio set, which did not come out until 1965. The Phase 4 booklet would not have come out until 1961.
In this case, I made a mistake in the book for the radio sets model number as seen here in the documentation. Thank you for pointing this out Bob!