File:Base station 2 channel block diagram.png

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Description	Base station 2 channel block diagram
Source	Block diagram is from: "Figure 2: Two Channel VHF Base Station," Planning Emergency Medical Communications: Volume 2, Local/Regional Level Planning Guide, (Washington, D.C.: National Highway Traffic Safety Administration, US Department of Transportation, 1995) pp. 42; The word "antenna" was added to the original so that those unfamiliar with the schematic symbol for an antenna could see what's going on. A spelling error in the original diagram was corrected.
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This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:14, 2 March 2007		2,000 × 860 (104 KB)	David Jordan (talk \| contribs)	Replaces existing file with a lower-resolution copy. This one takes too long to download and the large size doesn't improve the article content.
	21:43, 21 February 2007		16,664 × 7,168 (1.67 MB)	David Jordan (talk \| contribs)	From: "Figure 4:, VHF Mobile Unit," ''Planning Emergency Medical Communications: Volume 2, Local/Regional Level Planning Guide'', (Washington, D.C.: National Highway Traffic Safety Administration, US Department of Transportation, 1995) pp. 46.

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