Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI8IP callsign genealogy
Currently held by GRUBB, MARK 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 KI8IP's current licensee, walking backwards.
- GRUBB, MARK Ecancelled 1999-05-25
Successor callsigns
Callsigns held now by people who previously held KI8IP.
- Grubb, Mark EOHgranted 1999-05-25cancelled 2000-03-25