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1、TM 11-5985-391-12 TECHNICAL MANUAL OPERATORS AND UNIT MAINTENANCE MANUAL EQUIPMENTPAGE DATA1-6 SETUPPAGE 2-3 PMCSPAGE 4-13 - STORAGE AND PAGE SHIPMENT4-43 MAC APP B SETUP REFER-APP ENCE CARDSF SPECIAL OPERATIONS RADIO ANTENNA KIT (SORAK) ANTENNA GROUP OE-452/PRC (NSN 5985-01-279-7942) Distribution a
2、uthorized to the Department of Defense and DOD contractors only for official use or for ad- ministrative or operational purposes. This determination was made on 15 April 1990. Other requests for this document will be referred to Commander, US Army Communications-Electronics Command and Fort Monmouth
3、, ATTN: AMSEL-LC-LM-LT, Fort Monmouth, NJ 07703-5000. DESTRUCTION NOTICE - Destroy by any method that will prevent disclosure of contents or reconstruction of the document. HEADQUARTERS, DEPARTMENT OF THE ARMY 1 JANUARY 1991 TM 11-5985-391-12 GUIDELINES FOR SORAK OPERATIONS Never erect the antenna d
4、irectly under power lines. If you must erect an antenna below a power line, power line pole, tower, or building with overhead power line connections, never put the antenna closer than two times the an- tenna height from the base of the power line, pole, tower, or building. Before erecting any SORAK
5、antenna, inspect all the parts making up the antenna kit. Do not deploy antenna if components are missing or damaged. When erecting the antenna, allow only team personnel in the erection area. Make sure the areas for antenna anchor and guy rope stakes are firm. If the ground is marshy or sandy, use
6、rocks, trees, or bushes to help secure the antenna. When selecting locations for antenna anchor and guy rope stakes, avoid traveled areas and roads. If you cannot avoid these areas, clearly mark guy ropes and antenna wires with the warning flags or signs supplied by your unit. In an emergency, use s
7、trips of white cloth as warning streamers. If you suspect that power lines nave made accidental contact with your antenna, stop operating, rope off the antenna area, and notify your superiors. Keep a sharp eye on your mast guy ropes and stakes, and antenna anchor stakes. Check them daily and immedia
8、tely before and after bad weather. DO NOT ERECT ANY ANTENNA DURING AN ELECTRICAL STORM. B TM 11-5985-391-12 SAFETY STEPS TO FOLLOW IF SOMEONE IS THE VICTIM OF ELECTRICAL SHOCK DO NOT TRY TO PULL OR GRAB THE INDIVIDUAL IF POSSIBLE, TURN OFF THE ELECTRICAL POWER IF YOU CANNOT TURN OFF THE ELECTRICAL P
9、OWER, PULL, PUSH, OR LIFT THE PERSON TO SAFETY USING A DRY WOODEN POLE OR A DRY ROPE OR SOME OTHER INSULATING MATERIAL SEND FOR HELP AS SOON AS POSSIBLE AFTER THE INJURED PERSON IS FREE OF CONTACT WITH THE SOURCE OF ELECTRICAL SHOCK, MOVE THE PERSON A SHORT DIS- TANCE AWAY AND IMMEDIATELY START ARTI
10、FICIAL RESUSCITATION C/(D blank) TM 11-5985-391-12 Technical ManualHEADQUARTERS DEPARTMENT OF THE ARMY No. 115985-391-12Washington, DC, 1 January 1991 Operators and Unit Maintenance Manual Special Operations Radio Antenna Kit (SORAK) Antenna Group OE-452/PRC (NSN 5985-01-279-7942) REPORTING ERRORS A
11、ND RECOMMENDING IMPROVEMENTS You can help improve this manual. If you find any mistakes, or if you know of a way to improve the procedures, please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publications and Blank Forms), or DA Form 2028-2 located in the back of this manual d
12、irect to: Commander, US Army Communications-Electronics Command and Fort Monmouth, ATTN: AMSEL-LC-LM-LT, Fort Monmouth, New Jersey 07703-5000. HOW TO USE THIS MANUAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHAPTER 1 Section I Section II Section III CHAPTER 2 Section I Secti
13、on II Section III Section IV Section V CHAPTER 3 CHAPTER 4 Section I Section II Section III Section IV Section V Section VI INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment Description .
14、 . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Principles of Operation . . . . . . . . . . . . . . . . . . OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . Description and Use of Operators Controls. . . . . . . . . and Indicators Preventive Maintenance Checks. . . . . . . .
15、 . . . . . . . . . . . . and Services (PMCS) Operation Under Usual Conditions . . . . . . . . . . . . . . . . Operation Under Unusual Conditions. . . . . . . . . . . . . . Equipment Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OPERATOR MAINTENANCE INSTRUCTIONS. . ORGANIZATION
16、AL MAINTENANCE . . . . . . . . . Repair Parts, Special Tools, TMDE, . . . . . . . . . . . . . . . . and Support Equipment Service Upon Receipt . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preventive Maintenance Checks. . . . . . . . . . . . . . . . . . . . and Services (PMCS) Troubleshoot
17、ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . Preparation for Storage or Shipment . . . . . . . . . . . . . . . Page ii 1-1 1-1 1-5 1-7 2-1 2-1 2-1 2-3 2-33 2-37 3-1 4-1 4-1 4-3 4-13 4-19 4-25 4-43 i T
18、M 11-5985-391-12 APPENDIX A APPENDIX B APPENDIX C APPENDIX D APPENDIX E APPENDIX F GLOSSARY INDEX References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance Allocation Chart. . . . . . . . . . . . . . . . . . . Components of End Item . . . . . . . . . . . . . . .
19、. . . . . . . . and Basic Issue Items Lists Additional Authorization List . . . . . . . . . . . . . . . . . . . Expendable and Durable Items List . . . . . . . . . . . . . . Antenna Deployment Reference Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page A-1 B-1 C-1 D-1 E-1 F-1 Glossary -1 Index -1 HOW TO USE THIS MANUAL This manual tells you how to set up and use the Antenna Group OE-452/PRC Special Operations Radio Antenna Kit
21、(SORAK). It also includes organizational level main- tenance instructions and data. The front cover index gives you a quick reference to important information that you will use most often. Warning pages are at the beginning of this manual. Study the warnings and always follow safety procedures when
22、installing, using, or maintaining the equipment. Units of measurement used in this manual are U.S. standard with metrics units in paren- theses. Read all information found at the start of each procedure. It includes important state- ments about the equipment and your safety. Paragraphs in this manua
23、l are numbered by chapter and order of appearance within a chapter. Indexes at the start of each chapter will help you find information quickly. ii TM 11-5985-391-12 CHAPTER 1 INTRODUCTION SubjectSectionPage General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I 1-
24、1 Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II 1-5 Technical Principles of Operation . . . . . . . . . . . . . . . . . . . . . . .III 1-7 Section I. GENERAL INFORMATION Subject Para.Page Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、 . . . . . . . . . . 1-11-1 Maintenance Forms, Records, and Reports . . . . . . . . . . . . . .1-2 1-3 Destruction of Army Materiel to Prevent . . . . . . . . . . . . . . . .1-3 1-3 Enemy Use Preparation for Storage or Shipment . . . . . . . . . . . . . . . . . . . .1-4 1-3 Reporting Equipment Impro
26、vement . . . . . . . . . . . . . . . . . . . .1-5 1-3 Recommendations (EIR) Nomenclature Cross Reference List. . . . . . . . . . . . . . . . . . . .1-6 1-4 1-1. SCOPE. TYPE OF MANUAL This manual covers operator setup, operation, and organizational maintenance of the OE-452/PRC Special Operations Rad
27、io Antenna Kit (SORAK). PURPOSE OF ANTENNA KIT The SORAK includes all of the components needed to erect a high frequency (HF) or very high frequency (VHF) antenna for use with low power manpack radios at U.S. Army Special Operations Forces (SOF) out stations. Five different configurations of the an-
28、 tenna can be used to send and receive signals over distances of up to 2500 miles (4000 kilometers). Test equipment is included for checking the antennas voltage standing wave ratio (VSWR) prior to attempting communications. 1-1 TM 11-5985-391-12 1-1. SCOPE (CONT). 1. Transmission Line (Coaxial Cabl
29、e) 2. 22 Foot Telescoping Mast (22 Foot Mast) 3. Balun Transformer (Balun) 4. Antenna Wire 5. 6 Foot Telescoping Mast (6 Foot Mast) 6. Wire Reel 7. Termination Assembly (Termination) 1-2 TM 11-5985-391-12 1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS. REPORTS OF MAINTENANCE AND UNSATISFACTORY EQUIPME
30、NT Department of the Army forms and procedures used for equipment maintenance will be those pre- scribed by DA Pam 738750, as contained in Maintenance Management Update. REPORTING OF ITEM AND PACKAGING DISCREPANCIES Fill out and forward SF364 (Report of Discrepancy (ROD) as prescribed in AR 735-11-2
31、/DLAR 4140.55/SECNAVINST 4355.18/AFR 400-54/MCO 4430.3J. TRANSPORTATION DISCREPANCY REPORT (TDR) (SF 361) Fill out and forward Transportation Discrepancy Report (TDR) (SF 361 ) as prescribed in AR 55-38/NAVSUPINST 4610.33C/AFR 75-18/MCO P4610.19D/DLAR 4500.15. CONSOLIDATED INDEX OF ARMY PUBLICATIONS
32、 AND BLANK FORMS Refer to the latest issue of DA Pam 25-30 to determine whether there are new editions, changes, or additional publications pertaining to the equipment. 1-3. DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE. Destruction of Army electronics materiel to prevent enemy use shall be in a
33、ccordance with TM 750-244-2. 1-4. PREPARATION FOR STORAGE OR SHIPMENT. For information needed to prepare SORAK for storage or shipment, refer to Chapter 4, Section VI. The information provided covers special preservation, packaging, packing, and marking requirements. 1-5. REPORTING EQUIPMENT IMPROVE
34、MENT RECOMMENDATIONS (EIR). If your equipment needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you dont like about your equipment. Let us know why you dont like the design or performance. Put it on an SF 368 (Product Quality Deficiency Report). Mai
35、l it to: Commander, US Army Communications-Electronics Command and Fort Monmouth, ATTN: AMSEL-ED-PH, Fort Monmouth, New Jersey 077035000. We ll send you a reply. 1-3 TM 11-5985-391-12 1-6. NOMENCLATURE CROSS REFERENCE LIST. Common NameOfficial Nomenclature Anchor/Ground RodAnchor/Ground Rod Assembly
36、 Anchor Stake Grounding Rod Antenna Kit,Antenna Group, OE-452/PRC SORAK, or Special Operations Radio Antenna Kit, Group OE-452/PRC Balun, Balun Transformer Coaxial Cable, Coax Return Loss Bridge or RLB RLB Battery Termination, Termination Assembly Wattmeter Wire Reel 6 Foot Mast, 6 Ft. Mast Telescop
37、ing Mast 22 Foot Mast, 22 Ft. Mast, Telescoping Mast Coupler, Transmission Line Line, Transmission or Cable Assembly, Coax Antenna System Test Set (TS-4351/PRC) Battery, Nonrechargeable Absorber, RF Radiation Ratio Frequency Power Test Set (TS-4350/PRC) Cable Hand Reeling Machine Telescoping Mast As
38、sembly, 6 Foot Telescoping Mast Assembly, 22 Foot 1-4 Section Il. EQUIPMENT DESCRIPTION Subject TM 11-5985-391-12 Para.Page 1-71-5 Location and Description of Major Components. . . . . . Equipment Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-81-6 Safety, Care, a
39、nd Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-91-6 1-7. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. The major components of the SORAK include 22 foot mast/guy assembly (1), two 6 foot mast/guy assemblies (2), antenna assembly (3), and test sets (4). Refer to Section III f
40、or a functional description of the major assemblies and their components. 1-5 TM 11-5985-391-12 1-8. EQUIPMENT DATA. Applicable equipment data for the SORAK are as follows: WEIGHTS AND DIMENSIONS Deployment Bag and Equipment: Weight Width Height Length Mast Bag and Equipment: Weight Width Height Len
41、gth ENVIRONMENTAL CONDITIONS Ambient Operating Temperatures Storage/Transport Temperatures OPERATING RANGE Antenna Length/Configuration: 117 ft. (36 m) Sloping Dipole 117 ft. (36 m) Sloping Vee 234 ft. (71 m) Sloping Vee 468 ft. (143 m) Bent Longwire 175 ft. (53 m) Bent Longwire 1-9. SAFETY, CARE, A
42、ND HANDLING. 16 lbs (7.3 kg) 9 in. (22.9 cm) 7 in. (17.8 cm) 18 in. (45.7 cm) 8 lbs (3.6 kg) 7 in. (17.8 cm) 4.5 in. (11.4 cm) 28 in. (71.0 cm) -51 to + 122F (-46 to + 50C) -51 to + 160F (-46 to + 71C) Range, Communication (comm.) Mode, and Frequency 0 to 250 mi. (0 to 400 km), HF comm. over 2 to 12
43、 MHz 250 to 650 mi. (400 to 1000 km), HF comm. over 4 to 14 MHz 650 to 1500 mi. (1000 to 2500 km), HF comm. over 4 to 32 MHz 1500 to 2500 mi. (2500 to 4000 km), HF comm. over 6 to 32 MHz 0 to 20 mi. (0 to 30 km), VHF comm. over 30 to 88 MHz Warnings, safety precautions, and safety procedures are pro
44、vided at the front of this manual. Operators should become thoroughly familiar with all warnings, safety precau- tions, and safety procedures before handling or operating the equipment. 1-6 TM 11-5985-391-12 Section Ill. TECHNICAL PRINCIPLES OF OPERATION Subject Para.Page SORAK Components . . . . .
45、. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-101-7 SORAK Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111-10 1-10. SORAK COMPONENTS. 22 FOOT MAST/GUY ASSEMBLY The antenna wires can be elevated by a 22 foot mast to maximize antenna performance. The as
46、sembly includes a telescoping mast supported by four 21 foot guy ropes, two 32 foot guy ropes, and four guy stakes. The mast is intended for use when existing structures (poles, buildings, trees, etc.) are not available. A spare 21 foot guy rope, 32 foot guy rope, and guy stake are included in the k
47、it. 1-7 TM 11-5985-391-12 1-10. SORAK COMPONENTS (CONT). 6 FOOT MAST/GUY ASSEMBLIES Two 6 foot mast/guy assemblies are provided to maintain a minimum wire height of 6 feet (1.8 meters) above ground to improve antenna efficiency. Each assembly includes a tele- scoping mast and three adjustable guy ro
48、pes with metal guy stakes. ANTENNA ASSEMBLY The antenna assembly includes two wire reels. Each wire reel is equipped with a 250 foot (76 meter) antenna wire. The wire reels allow you to quickly deploy and rewind the an- tenna wires. 1-8 TM 11-5985-391-12 1-10. SORAK COMPONENTS (CONT). The 40 foot ha
49、lyard is used to raise the antenna wire on the 22 foot mast. In some con- figurations, a shorting stud on the halyard is used to short two antenna wires together. The field radio transmits or receives signals through a coaxial cable connected to the SORAK balun transformer. The balun converts the unbalanced 50 ohm transmission line (coax) to a balanced 450 ohms for hookup with the antenna wires. The termination assembly absorbs nonradiated transmission power to reduce standing waves on the antenna wire. This gives the antenna a broadband response, eliminating the need to
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