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A comment on Show HN: Compass that points you to a photo's EXIF location. Parent comment

Re:Show HN: Compass that points you to a photo's EXIF location by mcculley on Monday May 25, 2015 @03:46PM (#9601411)
A radio receiver often uses a signal of an intermediate frequency: http://en.wikipedia.org/wiki/Intermediate_frequency

So a receiver that would appear functionally to be passive could still conceivably cause interference.

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Re:Show HN: Compass that points you to a photo's EXIF location by michaelmior on Monday May 25, 2015 @08:22PM (#9602317)
Cool. Was not aware of the usage of intermediate frequencies in radio receivers. Thanks for the knowledge :)
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