/diy/ - Do It Yourself

Anonymous Mon Feb 6 10:52:48 2017 No.1126964 [View]
File: 2.67 MB, 3120x4160, IMG_20170207_024752.jpg [View same] [iqdb] [saucenao] [google]

How do you identify antenna types and their appropriate frequency range? I know the length of the element dictates its frequency range, but it's hard to tell with antennas that have wire wrapped around them.

Pic related, a selection of several whip antennas I got in a box of mixed (AM, 27MHz, UHF) radio gear from a deceased HAM estate. I'm pretty sure the longest is 27MHz and I associate the coil antenna with mobile telephony (so, assumedly, 900+MHz), but it would be nice to know how to check.

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/diy/ - Do It Yourself

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