TM 11-6625-2718-14&P
mendations for improving this publication by the
individual user is encouraged. Reports should be
a. Reports of Maintenance and Unsatisfactory
submitted on DA Form 2028 (Recommended
Equipment. Maintenance forms, records, and
Changes to Publications and Blank Forms) and
reports which are to be used by maintenance
forwarded direct to: C o m m a n d e r , US Army
personnel at all maintenance levels are listed in
Electronics Command, ATTN: AMSEL-MA-Q,
and prescribed by TM 38-750.
Fort Monmouth, NJ 07703.
b. Report o f Packaging a n d Handling
Deficiencies. Fill out and forward DD Form 6
(Packaging Improvement Report) as prescribed
This equipment is not covered by an ESC.
in AR 700-58/NAVSUPINST 4030.29/AFR 71-
13/MCO P4030.29A, and DSAR 4145.8.
Enemy Use
c. Discrepancy in Shipment Report (DISREP)
(SF 361). Fill out and forward Discrepancy in
Refer to TM 750-244-2 for instructions regarding
S h i p m e n t Report ( D I S R E P ) ( S F 3 6 1 ) a s
the destruction of this equipment if necessary to
prescribed in AR 55-38/NAVSUPINST
prevent enemy use.
4 6 1 0 . 3 3 A / A F M 75-18/MCO P4610.19B, and
DSAR 4500.15.
Before placing this unit in storage, you must refer
1-4. Reporting of Errors
to TM 740-90-1, Administrative Storage, for the
The reporting of errors, omissions, and recom-
required storage instructions.
Section Il. DESCRIPTION AND DATA
b. Cable Assembly, Radio Frequency CG-
409G/U (10 in.) is a 10-inch long cable fitted with
a. T e s t S e t , R a d i o Frequency
Power
AN/URM-182 consists of Test Set, Radio
a quick change male BNC connector at each end.
This cable normally provides the interconnection
Frequency TS-2609A/U; Cable Assembly, Radio
between the transmitter and the test set.
Frequency CG-409G/U; and Case, Test Set CY-
c. Case, Test Set CY-6785/U is a molded
6785/U, as shown in figure 1-1.
plastic case designed to house and protect the
b. Test Set, Radio Frequency TS-2609A/U is a
test set during transit. It contains a fitted plastic
d i r e c t i o n a l wattmeter which measures and
insert into which the test set seats to prevent it
monitors radio frequency (rf) power and load
from shifting in the case during transit. The
match on 50-ohm impedance coaxial lines. It is
insert contains two holes for insertion of the ends
normally connected between a transmitter and an
of the cable to secure it during movement.
a n t e n n a . The TS-2609A/U measures either
forward or reflected power of rf transmission in
ranges of 0 to 10 or 0 to 100 watts. The range is
This manual covers only model AN/URM-182.
selected by use of a selector switch on the front
No known differences exist in models
panel. The TS-2609A/U has a rated frequency
manufactured under this number.
range of 30 to 76 megahertz (MHz). It is designed
1-11. Tabulated Data
primarily for rugged field use on mobile, airborne,
Rf transmission
Measuring medium
or pack-carried transmitters and transceivers.
in W-ohm coaxial systems
1-9. Description
Rf power ranges (forward and reflected):
0 to 10 watts
Low range
a. Test Set, Radio Frequency TS-2609A/U is a
0 to 100 watts
High range
p o r t a b l e device encased in a two-section
30 to 76 MHz
Frequency range
aluminum housing provided with a screw-type
Swr standing wave ratio
clamping device. The two sections of the case are
1.1:1 maximum
(voltage)
Accuracy:
secured together with sealed screws. The upper
5 percent of full scale
At 77 F
section houses the meter and switch. The lower
From 40 F to +125 F
section is the line section which mounts the
10 percent of full scale
(100 watts)
sensing elements and the sensing circuit com-
From 40 F to +140 F
15 percent of full scale
ponents. The sealed meter has two scales, one for
(10 watts)
0.2 dB maximum
Insertion loss
each power range. The unit has quick-change type
Dimensions and weight (AN/URM-182):
BNC female connectors at each end to provide
7 in. l x 6 in.
Dimensions
interconnection with related components.
w x 31/8 in. h
