Section I DESCRIPTION OF SCREENS PH-555/GF AND PH-556/GF I. General (fig. I) Screen PH-555/GF is a large, portable, folding, projection screen riesigned especially for large audience projection outdoors and under field conditions. Stakes…Historic35 pagesComms Signal
Field and depot repair instructions for Radio Receivers BC-973-A and BC-973-B, covering disassembly, trouble-shooting, alignment, and testing.Historic120 pagesComms Signal
SECTION I DESCRIPTION OF CAMERA EQUIPMENT PH-104 1. GENERAL (fig. 2). Camera Equipment PH-104 may be issued with either Camera PH-47-E or PH-47-F, both of which are press-type cameras designed for hand use or for mounting on a tripod. Each…Historic173 pagesComms Signal
a " ‘ ; . : s aa, . ; A : Bie 4 = "WAR DEPARTMENT TECHNICAL MANUAL a C3 we t AS ns G im _ RADIO RECEIVERS BC-683-A,-B, anp-BM REPAIR INSTRUCTIONS victial, op teat, SR ne WARNING: The material forming the subject matter of this manual is…Historic116 pagesComms Signal
No person is entitled solely by virtue of his grade or position to knowledge or possession of classified matter. Such matter is en trusted only to those individuals whose official duties require such knowledge or possession. (See also…Historic53 pagesComms Signal
The Army has decentralized most of its signal capabilities. Corps, divisions, brigade combat teams, and support brigades now have signal forces organic to the units who own, operate, train, and maintain their unique signal forces. Corps…Archive258 pagesComms Signal
Be careful when working on the 450-volt plate and power supply circuits, or on the 115-volt ac line connections. Dangerous voltages exist at these points. DON'T TAKE CHANCES!Historic36 pagesComms Signal
1. PURPOSE. REStRICTED SECTION I DESCRIPTION The purpose of Code Training AN IGSC-Tl (fig. 1) is to provide operaton and others with a de,ice for practicing transmission and f'ueption of International Mone signals, by both visual and audio…Historic37 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM 11-2369 LAMINATING EQUIPMENT PH-523/GF WAR DEPARTMENT 15 OCTOBER 1944 RESTRICTED. DISSEMINATION OF RESTRICTED MATTER. The information contained in restricted documents and the essential char acteristics…Historic59 pagesComms Signal
Section I. 1. General a. Teletypewriter Sets AN/TGC-1 and AN/TGC-1A are complete teletypewriter sets designed for use in comcenters (communications center) and tape-relay stations. Each unit in- cludes facilities for sending, receiving,…Historic260 pagesComms Signal
Section GENERAL 1-1. Scope a. This manual describes Switchboards, Telephone, Manual SB-22/PT and SB-22A/PT. It covers their installa- tion, operation and maintenance. It also includes operation under unusual conditions, cleaning and…Archive100 pagesComms Signal
Section 1-1. Scope a. This manual covers organizational mainte- nance of the electronic equipment configuration in Army model YUH-1D, helicopters serial num- bers 60-6028 through 60-6034 and model UH-1D/H serial numbers 62-2110 through…Historic327 pagesComms Signal
Command and control is fundamental to joint and Army operations. Command and control is the exercise of authority and direction by a properly designated commander over assigned and attached forces in the accomplishment of a mission (JP 1).…Current184 pagesComms Signal
vide a basis for allocation of commu- can be used to secure six (6) fullnications equipment and assistance to duplex or twelve (12) half-duplex the receiving state. teletypewriter terminals or any combination thereof. 6. Assignment and…Historic37 pagesComms Signal
LESSON 1 NET STRUCTURE Critical Task: 301-794-1309 OVERVIEW LESSON DESCRIPTION: Upon completion of this lesson you will be able to: 1. When provided with a diagram of a communication system, identify each of the types of radio…Archive51 pagesComms Signal
FM 24-12 Chptr 2 FM Radio Operations set at the tactical CP must be used for both command and operations traffic. 2-8. Technical Characteristics FM operations are the backbone of combat communications. To plan communications networks…Archive69 pagesComms Signal
1. Purpose and Scope a. This manual is a guide for staff signal officers and for the commanders and staff officers of U. S. Army Signal Corps organizations. It covers the principles, procedures, and processes involved in preparing the…Historic187 pagesComms Signal
Section I. DESCRIPTION OF RECTIFIERS RA-36-J, -K, -L, -N, AND -Q, AND RECTIFIER 6RB6BI7 I. General a. DESCRIPTION. Rectifiers RA-36-J, -K, -L, -N, and -Q, and rectifier 6RB6B17 are complete battery-charging rectifiers, each assembled and…Historic67 pagesComms Signal
Section Il. DESCRIPTION AND DATA 3. Purpose and Use Dummy Antenna TS—235/UP provides a power absorbing ter- mination for the r-f (radio-frequency) transmission line of a radar set operating in the frequency range of 500 to 1,500 mc…Historic40 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM 11-2395 ELECTRONIC TIMER (PHOTRIX MODEL 1528) WA R DEPARTMENT • 20 OCTOBER 1944 RESTRICTED. DISSEMINATION OF RESTRICTED MATTER.-!** infermotion contained in restricted documents and the essential…Historic37 pagesComms Signal
this equipment will be res form is not available, see models with one-piece, plastic, nging panel ((19); fig. 6.1) is Signal Mfg. Co., instead of the r RA-87. made with the partsHistoric36 pagesComms Signal
1-1. Purpose This manual is intended to provide guidance to operators of Communications-Electronics (C-E) equipments in identifying and resolving Electromagnetic Compatibility (EMC) problems. Guidance is provided for requesting outside…Historic51 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM 11-873 RESTRICTED RADIO SET SCR-614-A RADIO RECEIVER BC-969-A POWER SUPPLY UNIT RA-61-A This document contains information affecting the national defense of the United States within the meaning of the…Historic110 pagesComms Signal
Operation and maintenance of Oscilloscope AN/USM-50, a general-purpose test instrument used to display and measure electronic waveforms.Historic104 pagesComms Signal
INTRODUCTION. a. The Radio Teletype Terminal Equipment AN/FGC1 or AN/FGC-1X forms part of a radio-telegraph system, the receiving circuit being designed to receive signals alternately from one or two radio transmitters at moderate…Historic210 pagesComms Signal
Describes the types, characteristics, nomenclature, and use of dry batteries used in Army signal equipment, with characteristic and test data.Historic46 pagesComms Signal
1. Scope This publication is the keystone document for the communications system series of publications. It provides the doctrinal foundation for communications system support to joint operations and provides a comprehensive approach to…Current120 pagesComms Signal
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