Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4AKZ callsign genealogy
Currently held by McMahon, Patrick 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 W4AKZ's current licensee, walking backwards.
- Jarrett, Douglas GFLgranted 2011-09-29cancelled 2018-01-17
Successor callsigns
Callsigns held now by people who previously held W4AKZ.
- McMahon, Patrick LTNgranted 2015-03-17cancelled 2018-04-16
All historical holders
Every license row we've seen with the callsign W4AKZ, oldest first.
- McMahon, Patrick L TN2012-03-02 → cancelled 2015-03-17
- Jarrett, Douglas G FL2018-01-17 active