KHP: An over-the-air cryptographic challenge on January 20, 2024
by Thomas from The SWLing Post on (#6HYM9)
Many thanks to SWLing Post contributor, Paul (KW1L), who writes: The Maritime Radio Historical Society, in cooperation with our good friends at the Cipher History Museum, present a unique, over-the-air cryptographic challenge. https://www.radiomarine.org/mrhs-events On January 20 2024, KPH will transmit a coded message consisting of 5-digit groups. The message will be encrypted using typical Cold [...]