Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NN5ZZ callsign genealogy
Currently held by PRUDEN, MICHAEL B
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 NN5ZZ's current licensee, walking backwards.
- PRUDEN, MICHAEL BTXgranted 2000-08-03cancelled 2007-07-17
Successor callsigns
Callsigns held now by people who previously held NN5ZZ.
- NN7ZZactiveWEST LEA CONTEST CLUBUTgranted 2025-01-15
All historical holders
Every license row we've seen with the callsign NN5ZZ, oldest first.
- WEST LEA CONTEST CLUB UT1997-04-08 → cancelled 2005-02-15
- PRUDEN, MICHAEL B TX2017-05-02 active