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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

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WASHINGTON, D. C.

1. 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.

2. 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.

3. 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].

4. 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

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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

* Available for issue in latter part of 1943.

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