ORDER rlll,, J MAINTENANCE OF REMOTE commucf~TIoN FACILITY (RCF) EQUIPMENTS OCTOBER 16, 1989 U.S. DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION AbMINISTRATION Distribution: Selected Airway Facilities Field Initiated By: ASM- 156 and Regional Offices, ZAF-600 10/16/89 6580.5 FOREWORD 1. PURPOSE. direction authorized by the Systems Maintenance Service. This handbook provides guidance and prescribes techni- Referenceslocated in the chapters of this handbook entitled cal standardsand tolerances,and proceduresapplicable to the Standardsand Tolerances,Periodic Maintenance, and Main- maintenance and inspection of remote communication tenance Procedures shall indicate to the user whether this facility (RCF) equipment. It also provides information on handbook and/or the equipment instruction books shall be special methodsand techniquesthat will enablemaintenance consulted for a particular standard,key inspection element or personnel to achieve optimum performancefrom the equip- performance parameter, performance check, maintenance ment. This information augmentsinformation available in in- task, or maintenanceprocedure. struction books and other handbooks, and complements b. Order 6032.1A, Modifications to Ground Facilities, Order 6000.15A, General Maintenance Handbook for Air- Systems,and Equipment in the National Airspace System, way Facilities. contains comprehensivepolicy and direction concerning the development, authorization, implementation, and recording 2. DISTRIBUTION. of modifications to facilities, systems,andequipment in com- This directive is distributed to selectedoffices and services missioned status. It supersedesall instructions published in within Washington headquarters,the FAA Technical Center, earlier editions of maintenance technical handbooksand re- the Mike Monroney Aeronautical Center, regional Airway lated directives . Facilities divisions, and Airway Facilities field offices having the following facilities/equipment: AFSS, ARTCC, ATCT, 6. FORMS LISTING. EARTS, FSS, MAPS, RAPCO, TRACO, IFST, RCAG, RCO, RTR, and SSO. a. Use FAA Form 6600-6, Technical Performance Record, VHF/UHF Air/Ground Receivers/Transmitters, to record the performance of very-high-frequency (vhf) and : 3. CANCELLATION. This order cancels Orders 6600.22A, Maintenance of ultra-high-frequency (uhf) transmitters, receivers, and Point-to-Point and Air-Ground Communication Transmitting transceivers.This form is available under NSN 0052-00-874- 2000, unit of issue: PD. and Receiving Equipment, and 6630.2A, Maintenance of Communication Antennas and Transmission Lines. b. Use FAA Form 6610-1, Technical Performance Record, SSB-AM Transmitter, High Frequency Point-to- 4. MAJOR CHANGES. Point/Broadcast, to record the performance of transmitters This handbook revises, updates,and combines the infor- using the 3MHz-to-30MHz frequency band. This order form ” mation previously contained in three orders:Order 6600.22A, is available under NSN 0052-00-874-0000,unit of issue: PD. Maintenance of Point-to-Point and Air-Ground Communica- c. Use FAA Form 6620-1, Technical Performance tion Transmitting and Receiving Equipment:.Order 6630.2A, Record, SSB-AM Receiver, High Frequency Point-to- . Maintenanceof Communication Antennas and Transmission Point/Broadcast,to record the performanceof receivers using Lines; and canceled Order 6520.4A, Maintenance Concept the 3MHz-to-3OMHz frequency band. This form is available for Remote Transmitter/Receiver Class 0 (RTR-0) and under NSN 0052-00-874-1000, unit of issue: PD. RemoteCommunications Outlet Class0 @ZO-0) Facilities. (Order 6520.4A was canceledby the directives checklist WA d. Use FAA Form 6000-8, Technical Performance 0000.4G.) Record-Continuation or Temporary Record/ReportForm, to record miscellaneousperformance information prescribed in 5. MAINTENANCE AND MODIFICATION POLICY. chapter 4 of this order, for transmitters, receivers, a. Order 6000.15A, this handbook, and the applicable transceivers, or ancillary equipment. This form is available equipment instruction books shall be consulted and used under NSN 0052-00-686-0001, unit of issue: PD. together by the maintenancetechnician in all duties and ac- I tivities for the maintenance of remote communication e. Use FAA Form 6050-3, Frequency Interference facilities. The three documentsshall be consideredcollective- Report, when needed. This form is available under NSN 0052-00-837-1000,unit of issue: SE. I) ly as the single official source of maintenance policy and f Page i 6580.5 1 O/l 6189 7. RECOMMENDATIONS FOR IMPROVEMENT. Clearance Procedures for Airway Facilities Maintenance Preaddressedcomment sheetsare provided at the back of Directives. Usersare encouragedto this handbookin accordancewith Order 1320.40B,Expedited for improvement. I W. Peter Kochis Director, Systems Maintenance Service Page ii \ S/29/92 6580.5 CHG 2 TABLE OF CONTENTS Chapter 1. GENERAL INFORMATION AND REQUIREMENTS Paragraph Page 1. Objective.. ................................................. 1 2. Scope and Coverage ............ ............................. 1 3. Aircraft Accident ............................................. 1 4. Receiver Sensitivity and Transmitter Power ........................ 2 Output Adjustment Policy 5. Certification Requirements ..................................... 2 Precautions When Using Test Tones ............................. 2 ;- Nonstandard Facilities ......................................... 2 8: Authorized Emissions ......................................... 2 9.-l 9. Reserved. Chapter 2. TECHNICAL CHARACTERISTICS . 20. PurposeorFunction . 5 21 e-23. Reserved. Section 1. RCF DESCRIPTION Subsection 1. HIGH-FREQUENCY (HF) RCF 24. HF Point-to-Point (PTP) and Air-to-Ground (A-G) . 9 25. HFVoiceBroadcast . ..-....................... 9 26.-29. Reserved. Subsection 2. VHF AND UHF RCF Air Traffic Control/Service . , . 12 Extended Remote Center Air-to-Ground (ERCAG) . 12 Communication Facilities * 32. Remote Transmjtter/Receiver Class 0 (RTR-0 and . 12 Remote Communications Outlet Class 0 (RCO- b ) Communication Facilities 33. -35. Reserved. Section 2. HF EQUIPMENTDESCRIPTION General E* Modes of Operation‘ l : : : : : : : : : : : : : : : : : : : : :I 38. -39: Reserved. Subsection 1. RF EQUIPMENT 40. HF Transmitters HF Receivers . : : : : : : : : : : : : : : : : : : : : : : ii! 42. -:k Reserved. Subsection 2. TRANSMISSION LINES 44::Generalreserved. 20 Page Iii 1 o/23/95 : 6580.5 CHG 5 Paragraph Page Subsection 3. ANTENNAS 46. General . ..-.. 20 47. HF Point-to-Point and Broadcast Antennas . 20 48. Ground-Mobile Antennas . 27 49.40. Reserved. Subsection 4. WAVE PROPAGATION 51. General . .. 35 52. Basic . ..~. 35 53. Structure of the Ionosphere . 35 54. Skywave Transmission Geometry . 37 55. Groundwave and Scatter Propagation . 38 56. Ionospheric Variations . 38 57. Reliability of HF Circuits . 42 58.-59. Reserved. Section 3. VHF AND UHF EQUIPVENT DESCRIPTION 60. General . 42 61.-62. Resewed. Subsection 1. RF EQUIPMENT 63. ITT Models AN/GRT-21 (VHF) and AN/GRT-22 (UHF) Transmitters . 42 64. Wulfsberg Model WT-100 (VHF) Transmitters . 47 65. ITT Models AN/GRR-23 (VHF) and AN/GRR-24 (UHF) Receivers . 49 ” 66. Wulfsberg Model WR-100 (VHF) Receiver . 49 67. Motorola Models CM-200 UT and CM-200 VT Transmitters . 52 68. Motorola Models CM-200 UR and CM-200 VR Receivers . 52-2 * 69. Motorola Models CM-50 (VHF)/CM-51 (UHF) Linear Power Amplifiers (LPA). 52-3 * Subsection 2. TRANSMISSION LINES 70. General . 52-3 71. Combiners and Multicouplers . 52 - 3 Subsection 3. ANTENNAS 72. General .................................................... 54 73. VHF Single Input Antennas ..................................... 54 74. UHF Single Input Antennas .................................... 55 75. VHF Dual Input Antennas 55 76. UHF Dual Input Antennas .. 57 77. VHF/UHF Dual Input Antennas 57 78. VHF Omnidirectional Gain Antennas ;77 79. VHF Directional Gain Antennas.......................................................................................................................................................................... 80.-81. Reserved. 82. Ground-Mobile and Base-Station Antennas ........................ 57 83. Radio Link Antennas .......................................... 58 Page iv 9128193 6580.5 CHG 3 Paragraph Page 84-89. Reserved. Subsection 4. WAVE PROPAGATION General .................................................... 59 Basic.. .................................................... 59 WaveGeometry ............................................. 59 Factors Affecting Coverage ......... ; .......................... 61 Coverage and Reliability Analysis ................................ 61 Reserved. Chapter 3. STANDARDS AND TOLERANCES 100. General .................................................... 65 101. Notes and Conditions ......................................... 65 102. References ................................................. 66 103.-l 09. Reserved. Section 1. HIGH FREQUENCY EQUIPMENT Subsection 1. TRANSMllTERS 110. Model 1330 5KW AM and Ssb Transmitter . 66 111. Model 1311 1 KW AM and Ssb Transmitter . 66 112. Model 127-l Converter-Driver 113. Model125-1Sband125-3IsbG;inerato;’::::::::::::::::::::::::: :; 114. Model GPT-1 OfQV AM and Ssb Transmitter. 67 115-l 17. Reserved. Subsection 2. RECEIVERS 118. Model 2210 AM and Ssb Receiver . y . 69 119.-123. Reserved. Section 2. VHF AND UHF EQUIPMENT Subsectidn 1. TRANSMITTERS 124. VHF and UHF Transmitters, Types AN/GRT-21, AN/GRT-22, . 70 and WT-100 125. Miscellaneous Parameters . m. 71 126. High Power VHF Transmitter, Aerocom,