Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8CRS callsign genealogy
Currently held by HEFFKEN, FRED C
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 W8CRS's current licensee, walking backwards.
- STIERHOFF, CHASE ROHgranted 2007-03-26cancelled 2012-09-04
Successor callsigns
Callsigns held now by people who previously held W8CRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8CRS, oldest first.
- HEFFKEN, FRED C OH1994-03-22 → cancelled 2006-03-23
- STIERHOFF, CHASE R OH2023-04-13 active