This is the Potomac Instruments Equipment Section of
The Broadcast Archive

	FIM-21 Field Intensity Meter .54 MHz to 1.61 MHz
	FIM-41 Field Intensity Meter .54 MHz to 5.0 MHz
	FIM-4100 Field Intensity Meter .52 MHz to 5.1 MHz
	FIM-71 Field Intensity Meter VHF  45-225 MHz
	FIM-72 Field Intensity Meter UHF 450-960 MHz
	SD-31 Frequency Generator  and Detector
	AG-51 Audio Generator
	AA-51 Audio Analyzer
	TU-16 Remote Metering
	AM-19 Antenna Monitor
	AM-19D Antenna Monitor
	1900 Antenna Monitor
	QA-100 QuantAural Audio Program Analyzer

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Copyright 1993-2010, 2011  by Barry Mishkind. This material on this site should not be reproduced or reposted in whole or part without express approval.

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An important note about this resource:

We have used many sources, including FCC files, university lecturers, historical publications and more, and have tried to be as accurate as possible, not repeating many of the myths of the industry (such as the Uncle Don Story) nor histories "manufactured" by promotion departments. However, I am not perfect, and may well have overlooked something. If you do see an error or omission, please let me know.

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