It is the size of a BNC but has threads. For an RF output.

enter image description here

I need to adapt it to SO-239.


Tip o' The Hat to Glenn and Scott. TNC it is.

This cable works great:

TNC Male to SO-239 pigtail (eBay)


It looks like a female TNC connector.

  • $\begingroup$ Excellent. I found the pigtail on eBay: ebay.com/itm/… TNX, Glenn & Scott $\endgroup$
    – SDsolar
    Apr 9 '18 at 20:47
  • $\begingroup$ Cable arrived and fits perfectly. Thanks again! $\endgroup$
    – SDsolar
    Apr 9 '18 at 20:47
  • $\begingroup$ @SDsolar Excellent. I am glad it worked out. $\endgroup$
    – Glenn W9IQ
    Apr 9 '18 at 22:25

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