Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY7H callsign genealogy
Currently held by GRAFFUNDER, CARLE 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 WY7H's current licensee, walking backwards.
- KG7BVNcancelledMaricopa Amateur Radio AssociationAZgranted 2013-03-11cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held WY7H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WY7H, oldest first.
- GRAFFUNDER, CARLE P WA2001-07-11 → cancelled 2013-10-09
- MARICOPA AMATEUR RADIO ASSOCIATION AZ2024-02-09 active