Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3DAK callsign genealogy
Currently held by MC CULLOUGH, ROBERT E
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 K3DAK's current licensee, walking backwards.
- Augustyn, Douglas MMDgranted 2013-09-28cancelled 2014-10-15
Successor callsigns
Callsigns held now by people who previously held K3DAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3DAK, oldest first.
- MC CULLOUGH, ROBERT E PA1989-10-03 → cancelled 2001-10-04
- Augustyn, Douglas M MD2024-10-25 active