Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TPS callsign genealogy
Currently held by Pack, Douglas 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 W7TPS's current licensee, walking backwards.
- Pack, Douglas ANVgranted 2019-04-12cancelled 2019-05-04
Successor callsigns
Callsigns held now by people who previously held W7TPS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TPS, oldest first.
- Krebs, James A CO2005-10-24 → cancelled 2017-12-05
- Pack, Douglas A OH2019-05-04 active