Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DPM callsign genealogy
Currently held by McCalla, DARRELL P
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 W4DPM's current licensee, walking backwards.
- Garnto Jr, Curtis EGAgranted 2017-08-21cancelled 2018-05-01
Successor callsigns
Callsigns held now by people who previously held W4DPM.
- McCalla, Darrell PALgranted 2024-08-24
All historical holders
Every license row we've seen with the callsign W4DPM, oldest first.
- McCalla, DARRELL P AL2011-03-01 → cancelled 2014-07-29
- Garnto Jr, Curtis E GA2018-05-01 active