9650

Apollo CM Block II VHF Transmitter/Receiver

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:1,000.00 - 1,500.00 USD
Apollo CM Block II VHF Transmitter/Receiver

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Auction Date:2023 Apr 20 @ 18:00 (UTC-5 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Apollo Command Module (Block II) VHF Transmitter/Receiver, measuring approximately 4.75″ x 12″ x 6˝, lacking its RCA manufacturer's label. The top panel is marked "C28-1A108" and has ports labeled "J1" through "J3." In very good to fine condition.

The VHF/AM transmitter-receiver equipment provided two-way voice communications among the CM, the ground, the LM, astronauts outside the CM, and recovery forces, relay of two-way voice from either the LM or extravehicular astronauts to the ground (via the S-band); reception of pulse-code modulated data from the LM; and reception of biomedical data from extravehicular astronauts.