Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RNN callsign genealogy
Currently held by SWICEGOOD, ADRIAN 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 W4RNN's current licensee, walking backwards.
- Breeden Jr, Mark ATXgranted 2019-10-10cancelled 2019-10-29
Successor callsigns
Callsigns held now by people who previously held W4RNN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RNN, oldest first.
- SWICEGOOD, ADRIAN B MD1998-02-03 → cancelled 2010-02-04
- Breeden Jr, Mark A TX2019-10-29 active