Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9YYH callsign genealogy
Currently held by SHRACK, FRANKLIN W
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 W9YYH's current licensee, walking backwards.
- Harris III, Kenneth WPAgranted 2011-01-18cancelled 2012-12-27
Successor callsigns
Callsigns held now by people who previously held W9YYH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9YYH, oldest first.
- SHRACK, FRANKLIN W IN1988-03-08 → cancelled 2000-03-09
- Harris III, Kenneth W PA2022-11-08 active