Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4NNR callsign genealogy
Currently held by CLARK, TANNER J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N4NNR's current licensee, walking backwards.
- CLARK, TANNER JUTgranted 2018-09-07cancelled 2018-10-02
Successor callsigns
Callsigns held now by people who previously held N4NNR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NNR, oldest first.
- SHOEMAKE, JAMES L NC1995-11-28 → cancelled 2007-11-29
- CLARK, TANNER J UT2018-10-02 active