Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2OL callsign genealogy
Currently held by Palmer, Patrick A
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 AB2OL's current licensee, walking backwards.
- Johannes, Daniel MTXgranted 2017-12-05cancelled 2018-01-23
Successor callsigns
Callsigns held now by people who previously held AB2OL.
- Palmer, Patrick AVAgranted 2001-07-31cancelled 2013-08-01
All historical holders
Every license row we've seen with the callsign AB2OL, oldest first.
- Palmer, Patrick A VA2001-07-31 → cancelled 2003-08-02
- Johannes, Daniel M TX2018-01-23 active