U.S. Radar
Operational Characteristics of Radar
Classified by Tactical Application
FTP 217
Prepared by Authority of the Joint Chiefs of Staff, by the
Radar Research and Development Sub-Committee of the Joint
Committee on New Weapons and Equipment
1 AUGUST 1943
- The publication "U.S. Radar - Operational Characteristics of Available Equipment Classified by Tactical Application", short title FTP 217, is issued for the guidance of those concerned in planning of future operations.
- FTP 217 is effective upon receipt. It is a [formerly] SECRET [currently declassified] registered publication, and is to be transported, handled, and accounted for by U.S. Navy holders in compliance with U.S. Navy Regulations and the current edition of the Registered Publications Manual or by U.S. Army holders in accordance with A.R. 380-5. The Adjutant General's Office, Operations Branch, 2-B-939, Pentagon Building, Washington, D.C., is designated as the office of record, for U.S. Army holders.
- It is forbidden to make extracts from or to copy this publication without specific authority from The Joint Chiefs of Staff, except as provided for in Article 516 of the Registered Publications Manual. [Distribution currently unlimited].
- FTP 217 is not intended for use in aircraft. When not in use, it is to be given secure stowage as provided in the Registered Publications Manual or A.R. 380-5.
| /signed/ WILLIAM R. PURNELL Rear Admiral, U.S. Navy Deputy Chief of staff Commander-in-Chief, U.S. Fleet and Chief of Naval Operations |
/signed/ JOSEPH T. McNARNEY Lieutenant General, U.S. Army Deputy Chief of Staff |
TABLE OF CONTENTS
| Introduction | 1 | ||
| Shipborne Search Sets | 13 | ||
| CXAM and CXAM-1 | Long Wave Search Sets for Large Ships | 14 | |
| SC, SC-1, SC-2, and SC-3 | Long Wave Search Sets for Destroyers and Larger | 15 | |
| SK | Long Wave Search Set for Large Ships | 16 | |
| SG | Microwave Search Set for Destroyers and Larger | 17 | |
| SA and SA-1 | Long Wave Search Sets for Destroyers | 18 | |
| SH | Microwave Search and Fire Control Set for Cargo Ships | 19 | |
| SF | Microwave Search Set for Destroyer Escorts and Lighter | 20 | |
| SE | Microwave Search Set for Small Ships | 21 | |
| SL | Microwave Search Set for Small Ships | 22 | |
| SD-a, SD-1, SD-2, and SD-3 | Long Wave Search Sets for Submarines | 23 | |
| SJ | Microwave Search and Torpedo Control for Submarines | 24 | |
| SO Series | Microwave Search and Torpedo Control for Small Craft | 25 | |
| SN and *SQ | Portable Microwave Set | 26 | |
| *SW | Portable Medium Wave Set | 27 | |
| *SB | Portable Medium Wave Set | 27 | |
| Ship Fire Control Sets | 29 | ||
| Mark 3 | Medium Wave Fire Control for Main Batteries | 30 | |
| Mark 8 | Microwave Fire Control for Main Batteries | 31 | |
| Mark 4 and *Mark 12 | Medium Wave Fire Control for Dual Purpose Batteries | 32 | |
| *Mark 10 | Microwave Antiaircraft Fire Control | 33 | |
| *Mark 11 and *Mark 19 | Microwave Antiaircraft Fire Control | 34 | |
| Long-Range Aircraft Warning Sets | 35 | ||
| SCR-270-D | Mobile Long Wave Aircraft Warning Set | 36 | |
| SCR-271-D and SCR-271-E | Fixed Long Wave Aircraft Warning Set | 37 | |
| Seacoast Artillery Sets | 39 | ||
| SCR-582 | Fixed Microwave Seacoast Artillery Set | 40 | |
| *SCR-682 | Transportable Microwave Seacoast Artillery Set | 41 | |
| SCR-296-A | Fixed Medium Wave Coast Artillery Fire Control Set | 42 | |
| *Mark 16 | Mobile Microwave Search and Fire Control Set | 43 | |
| Searchlight Control Sets | 46 | ||
| SCR-268 and SCR-268-B | Mobile Long Wave Searchlight Control Set | 46 | |
| Anti-Aircraft Fire Control Sets | 47 | ||
| SCR-547 | Mobile Microwave radar-Optical Height Finder | 48 | |
| SCR-545 | Mobile Long wave Aircraft Search and Microwave AA Fire Control | 49 | |
| SCR-584 | Mobile Microwave Anti-Aircraft Fire Control Set | 50 | |
| GCI--Ground or Ship Control-of-Interception Sets | 51 | ||
| SCR-588 | Long Wave Aircraft Detector and GCI | 52 | |
| SCR-527 | Mobile Long Wave Aircraft Detector and GCI | 53 | |
| SCR-615-A and SCR-615-B | Microwave Aircraft Detectors for GCI | 54 | |
| *SCR-627 | Long Wave GCI | 55 | |
| *SM | Microwave Shipborne GCI Set | 56 | |
| AI -- Aircraft Interception Sets | 57 | ||
| SCR-540 | Long Wave AI Set | 58 | |
| SCR-520-B and SCR-720-A | Microwave AI Sets | 59 | |
| AIA | Microwave AI Set for Single-Seated Fighters | 60 | |
| Lightweight Aircraft Warning Sets | 61 | ||
| SCR-602-A and SCR-602-T6 | Light Transportable Aircraft Detectors | 62 | |
| *AN/TPS-1 (*SCR-602-T3) | Light Transportable Aircraft Detector | 63 | |
| *AN/TPS-3 (*SCR-602-T8) | Light Transportable Aircraft Detector | 64 | |
| ASV -- Air-to-Surface Search Sets | 65 | ||
| SCR-521-A or ASVC, and SCR-521-B or ASE | Long Wave ASV Sets | 66 | |
| ASA | Medium Wave ASV Set | 67 | |
| ASB and "ASB Series" | Medium Wave ASV Sets | 68 | |
| SCR-517-A, SCR-517-B or ASC-1, and SCR-517-C | Microwave ASV Sets | 69 | |
| SCR-717-A and SCR-717-B | Microwave Small-Package ASV Sets | 70 | |
| ASD | Microwave ASV Set | 71 | |
| ASG, ASG-1, AN/APS-2a, (ASG-2) and AN/APS-2 (ASG-3) | Microwave ASV Sets | 72 | |
| *AN/APS-3 (ASD-1) | Microwave ASV and Torpedo-Laying Set | 73 | |
| *AN/APS-4 (ASH) | Lightweight ASV and Interception Set | 74 | |
| Bombing Aids | 75 | ||
| AN/APQ-5 (RC-217) | Bombing Attachment to Microwave ASV Sets | 76 | |
| *AN/APS.15 | Microwave ASV and High Altitude Bombing Set | 77 | |
| Navigation Sets | 79 | ||
| SCR-518-A or AYA | High-Altitude Pulse Altimeter | 80 | |
| *SCR-718 | Pulse Altimeter | 81 | |
| AYB, AN/ARN-1 (RC-24 and AYD-5) and AN/APN-1 (AYF) | Low-Altitude FM Altimeters | 82 | |
| SCR-640, SCR-621 or YH, and *YJ | Long Wave Racons | 83 | |
| *AN/CPN-3 (*SCR-620 or *YK) and *AN/CPN-6 | Microwave Ground or Shipborne Racons | 84 | |
| *AN/TPN-1 and *AN/PPN-1 | Light Weight Long Wave "Eureka" Racons | 85 | |
| *AN/APN-2 | Airborne Long wave "Rebecca" Interrogator-Responsor | 86 | |
| LORAN | Long-range Navigation System | 87 | |
| IFF -- Identification Sets | 89 | ||
| IFF -- Introduction | 90 | ||
| SCR-535 or ABE, and ABD | Mark II Airborne Transpondors | 95 | |
| SCR-595, ABK or BK -- Mark III | Airborne or Shipborne Transpondors | 96 | |
| SCR-695 or ABF | Mark III Airborne Transpondor | 97 | |
| *AN/APX-1 | Mark III Airborne Transpondor | 98 | |
| *AN/APX-2 (ABJ) | Mark III Airborne IRT | 99 | |
| *AN/APA-1 | Pilot Repeat Indicator | 100 | |
| SCR-729 | Mark III Airborne IR | 100 | |
| *AN/APN-8 | Airborne Radar Transpondor beacon | 101 | |
| BL and *BM | Mark III (A Band) Shipborne IR | 101 | |
| BN | Mark III (A Band) Low Power Shipborne IR | 102 | |
| *BO | Mark III (G Band) High Power Shipborne IR | 102 | |
| MARK III IR'S FOR ARMY GROUND EQUIPMENT | 103 | ||
| Miscellaneous | 105 | ||
| MAD (Type 4B2, AN/ASO-1, AN/ASQ-1a, AN/AS1-3) | Magnetic Detectors | 106 | |
| AN/CRT-1 and AN/ARR-3 | Sono-Radio buoys | 107 | |
| Glossary of Terms | 109 | ||
| List of Equipments by Army-Navy Joint Designation | 113 | ||
