Section I. 1. Scope a. This manual contains instructions for the installation, operation, and organizational maintenance of Radar Set AN/MPQ-4A (fig. 1). It presents an explanation of the chief func- tions of each major group of components…Historic174 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
Section I. 1-1. Scope a. This manual covers maintenance of the electronic equipment configuration in Army model AH-1S Helicopter, serial numbers 76-22567 through 76-22610, 76-22692 through 76-22713, and 77-22729 through 77-22810. The…Historic122 pagesComms Signal
This cover must be replaced after wire connections made, in order to make the unit resistant to. driving rain. The various binding * * * half of tl*e chassis panel. The unit, which is provided with an adjustable carrying strap, is…Historic91 pagesComms Signal
Covers Telephone Repeater TP-14, a two-way voice-frequency amplifier used to provide amplification on field telephone wire circuits.Historic20 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL T M 11-2019 TEST SET 1-49 WAR DEPARTMENT . 12 AUGUST 1944 RESTRICTED. DISSEMINATION OF RESTRICTED infermotion contained in restricted documents and the essential characteristics of restricted material may be…Historic52 pagesComms Signal
Corina A th ane oe Mey Sick, Ss hs WAR DEPARTMENT TECHNICAL MANUAL TM 11-2036 TEST SET I-181 Pee DEPARTMENT. "30 AUGUST. 1944 RESTRICTED. DISSEMINATION OF RESTRICTED MAT- TER. The information contained in restricted documents and the…Historic40 pagesComms Signal
Par. 1-5 SECTION I DESCRIPTION 1. PURPOSE. a. The 13A (SPL) Transmission Measuring Set is designed for use in making transmission measurements where portable apparatus is required to measure received testing power. b. The 183A (SPL)…Historic40 pagesComms Signal
WAR DEPARTMENT TECHNICAL MANUAL TM 11-2050 TEST SET ]-48-B WAR DEPARTMENT 14 OCTOBER 1944 RESTRICTED. DISSEMINATION OF RESTRICTED MATTER. The information contained in restricted documents and the essential characteristics of restricted…Historic31 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
1. Scope. This appendix lists only basic issue items required by the crew/operator for installation, operation, and maintenance of Test Set TS-27B/TSM. 2. General. This Basic Issue Items and Items Troop Installed or Authorized List is…Historic136 pagesComms Signal
RESTRICTED SECTION I DESCRIPTION 1 . GENERAL a. Telephone TP-9 (fig. 1) is a portable telephone set designed to provide communication over greater distances than those ob tained with ordinary local battery sets. This is made possible by…Historic89 pagesComms Signal
Covers Test Set I-142 and Test Set I-142-A, portable telephone test sets, including description, installation, operation, and maintenance.Historic152 pagesComms Signal
Figure 1. Telephone Switchboard SB-55/F TC. (Telephone switchboard SB-55A/FTC is identical except that it includes a switch located on the wpper right front panel for controlling the heater units.).Historic68 pagesComms Signal
a make contact of the line jack to com- plete the circuit to ground for the oper- ation of relay 2. A make contact of relay 2 completes the trunk loop through windings (8-7 and 6-5 in series) of the repeating .coil to signal the distant…Historic120 pagesComms Signal
1. Scope a. This section lists items supplied for initial operation and for running spares. The list in- cludes accessories, parts, and material issued as part of the major end item. The list includes all items authorized for basic…Historic60 pagesComms Signal
Section GENERAL 1. Scope a. These instructions are published for the infor- mation and guidance of the personnel to whom this equipment is issued. They contain information cov- ering the installation, operation, maintenance, and repair of…Historic84 pagesComms Signal
1. Scope a. This manual covers field and depot main- tenance for Telephone Terminal AN/TCC-7. It includes instructions appropriate to third, fourth, and fifth echelons for troubleshooting, testing, repairing and alining the equipment,…Historic721 pagesComms Signal
Covers carrier multiplex telephone equipment AN/TCC-13, AN/TCA-1, and AN/TRA-10, including description, operation, and maintenance.Historic612 pagesComms Signal
Note. (Added) The basic manual covers Manual Telephone Switchboard SB-249/TTC, serial numbers 1 through 321, and Trunk Relay Telephone Circuit TA-226/TTC, serial numbers 1 through 107. Manual Telephone Switchboard SB-249/TTC, serial…Historic240 pagesComms Signal
WARNING HIGH VOLTAGE is used in the operation of this equipment DEATH ON CONTACT may result if personnel fail to observe safety precautions Be careful not to contact high-voltage connections or 200-volt input con- nections when working on…Historic202 pagesComms Signal
To prevent the enemy from using or salvaging this equipment for his benefit. WHEN—When ordered by your commander. 1. Smash—Use sledges, axes, handaxes, pickaxes, hammers, crow bars, heavy tools. 2. Cut—Use axes, handaxes, machetes. 3. Burn…Historic43 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
This manual supersedes TM 11-2206, dated 26 June 1944, and 29 September 1944 SECTION DESCRIPTION 1. GENERAL. a. Telegraph Terminal TH-1/TCC-1 (figs. 1, 2, and 3) is designed to provide two-way voice-frequency carrier telegraph communica-…Historic136 pagesComms Signal
5. Description (figs. 1 and 2) a. Gene1·al. Test Set TS-2 (*) /TG is a selfcontained unit, 23 inches long, 17 inches high, and 14 inches deep overall. It weighs 70 pounds. The test set is mounted on a base casting which is attached to a…Historic68 pagesComms Signal