Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF7SS callsign genealogy
Currently held by Grambihler, Daniel 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 AF7SS's current licensee, walking backwards.
- Grambihler, Daniel EAZgranted 2015-05-26cancelled 2015-07-15
Successor callsigns
Callsigns held now by people who previously held AF7SS.
- Grambihler, Daniel EAZgranted 2024-01-09