Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ROX callsign genealogy
Currently held by SPACK, GREGORY 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 W3ROX's current licensee, walking backwards.
- DOYLE, PATRICK JMDgranted 2016-03-17cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held W3ROX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ROX, oldest first.
- SPACK, GREGORY A PA2003-05-28 → cancelled 2015-05-29
- DOYLE, PATRICK J MD2016-04-05 active