More from Fred Chesson's RC-equipment file:
RC-70* Test Set C/O AN-77, BD-109, CH-110,180, CO-221,223, CD-627,629,660,662,
CD-663,664,665,666,710,719, CH-110/180, I-99,122A,134A,144,146,148A,149,
I-150,151A,153,180*,200, IS-184, M-322, MC-322, RS-280, TL-210,
Espy 100 Analyzer & 105 Tube Tester U/W SCR-270*,271* TM 11-1043A
Logic: Method used to arrive at the wrong conclusion, with confidence. Murphy
-----Original Message-----
From: Jim Whartenby via Milsurplus <milsurplus@mailman.qth.net>
To: Milsurplus@mailman.qth.net <Milsurplus@mailman.qth.net>
Sent: Sun, Oct 2, 2022 11:58 pm
Subject: Re: [Milsurplus] Oddball test set on the evil auction site.
From:
MIL-HDBK-172A, VOL I / TM 11-487H-1/1 / NAVSHIPS 93003A
ELECTRONIC TEST EQUIPMENT
FUNCTIONAL DESCRIPTION:
Test Set I-148-A is a portable test instrument used in measuring the standing wave ratio of the rf voltage along a
non*resonant transmission line.
It may also be employed in checking the balance to ground of a parallel, two wire, open, non-resonant
transmission line.
RELATIONSHIP TO SIMILAR EQUIPMENT:
This equipment is part of Test Equipment RC-70-A.
TECHNICAL DESCRIPTION:
Frequency Range: 100 to 120 mc Current Range: 0 to 250 ma
Accuracy: ± 10%
Major Unit: 1 I-148A 11" x 5" x 3" 3 lbs
TUBES, CRYSTALS, TRANSISTORS
TUBE COMPLEMENT:
None.
REFERENCE DATA AND LITERATURE:
TM 11-1043, TO 16-40RC70-2; Army Dwg ES-D-11133
Think of it as a VHF "Slotted Line" detector used to find the maximum and minimum RF voltages along a balanced line!
Regards.
Jim
Logic: Method used to arrive at the wrong conclusion, with confidence. Murphy
-----Original Message-----
From: KD7JYK DM09 <kd7jyk@earthlink.net>
To: Milsurplus <Milsurplus@mailman.qth.net>
Sent: Sun, Oct 2, 2022 11:14 pm
Subject: [Milsurplus] Oddball test set on the evil auction site.
Anyone know what this odd looking device is?:
Kurt
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