Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5ZOP callsign genealogy
Currently held by DAVENPORT III, MARK L
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 N5ZOP's current licensee, walking backwards.
- DAVENPORT III, MARK LTXgranted 2012-04-13cancelled 2015-01-30
Successor callsigns
Callsigns held now by people who previously held N5ZOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5ZOP, oldest first.
- TEEGARDEN, JOHN C TX2003-01-11 → cancelled 2015-01-13
- DAVENPORT III, MARK L TX2024-11-14 active