File:TRG NBS Puerto Rico C-3 Vertical Ionogram 29 Dec. 1957.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:59, 28 January 2021		1,280 × 620 (667 KB)	Administrator1 (talk \| contribs)	File uploaded with MsUpload

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Image title	C-3 Vertical Ionograms Ramey, PR
Date and time of data generation	09:00, 9 December 1957
Latitude	18° 29′ 38.25″ N
Longitude	67° 9′ 7.59″ W
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Photos 1.5
File change date and time	09:00, 9 December 1957
Exif version	2.2
Date and time of digitizing	09:00, 9 December 1957
Color space	sRGB
Short title	C-3 01 Vertical Ionogram 29 Dec. 1957
Keywords	ionograms Puerto Rico Radios&Electronics
IIM version	2