Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7YAY callsign genealogy
Currently held by Sickenberger, Mark 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 K7YAY's current licensee, walking backwards.
- SICKENBERGER, MARK AWAgranted 2013-08-26cancelled 2020-10-10
Successor callsigns
Callsigns held now by people who previously held K7YAY.
No current licensee on record previously held this callsign.