Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CAN callsign genealogy
Currently held by UPPLING JR, JOHN G
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 K7CAN's current licensee, walking backwards.
- Hausauer, MikeIDgranted 2022-05-10cancelled 2022-09-20
Successor callsigns
Callsigns held now by people who previously held K7CAN.
- WILL JR, DANIEL CMOgranted 2020-05-12
All historical holders
Every license row we've seen with the callsign K7CAN, oldest first.
- PORTER, HARL M CO1989-04-11 → cancelled 2001-04-12
- UPPLING JR, JOHN G WY2006-09-01 → cancelled 2018-09-05
- WILL JR, DANIEL C NV2018-12-15 → cancelled 2020-05-12
- Hausauer, Mike ID2022-09-20 active