Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9CRO callsign genealogy
Currently held by ELLO, JOSEPH G
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 K9CRO's current licensee, walking backwards.
- CROFOOT, REBECCA DWAgranted 2013-11-25cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held K9CRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9CRO, oldest first.
- ELLO, JOSEPH G IL1998-01-23 → cancelled 2010-01-26
- CROFOOT, REBECCA D WA2024-06-25 active