U.S. Naval Cryptologic Veterans Association

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Collection Equipments of Yore

These PDF documents are copies of official documents describing cryptologic collection equipments many of us used during our U.S. Navy service.

NSA Signal Collection Equipment and Systems (541 Downloads)

This is a chapter of a book researched and published by the Center for Cryptologic History describing magnetic tape recorders developed during the first two decades of AFSA/NSA.

04-13-2016 Download ( pdf, 1.29 MB )
NAVEDTRA 10251 Chapter 1 (613 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter contains the Introduction & descriptions used in the document.

04-13-2016 Download ( pdf, 3.98 MB )
NAVEDTRA 10251 Chapter 2 (531 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Transmission Lines, Multicoupling Devices, and Antennas.

04-13-2016 Download ( pdf, 3.88 MB )
NAVEDTRA 10251 Chapter 3 (633 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Receivers.

04-13-2016 Download ( pdf, 10.15 MB )
NAVEDTRA 10251 Chapter 4 (570 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Demodulators, Rekeyers, and Demultiplexers.

04-13-2016 Download ( pdf, 8.9 MB )
NAVEDTRA 10251 Chapter 5 (398 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Teletypewriters.

04-13-2016 Download ( pdf, 6.17 MB )
NAVEDTRA 10251 Chapter 6 (854 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Magnetic Tape Recorders.

04-13-2016 Download ( pdf, 6.44 MB )
NAVEDTRA 10251 Chapter 7 (422 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Signal Analysis Equipment.

04-13-2016 Download ( pdf, 6.44 MB )
NAVEDTRA 10251 Chapter 8 (524 Downloads)

NAVEDTRA 10251, Cryptologic Collection Equipments, was prepared by the Program Development Center Detachment at Corry Station, Pensacola FL for the Chief, Naval Education and Training in 1977. This chapter describes Special Purpose Equipment.

04-13-2016 Download ( pdf, 2.3 MB )

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