Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MOI callsign genealogy
Currently held by PITTILLO, HEATHER 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 K4MOI's current licensee, walking backwards.
- PITTILLO, HEATHER ANCgranted 2018-06-29cancelled 2018-08-24
Successor callsigns
Callsigns held now by people who previously held K4MOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MOI, oldest first.
- HOLLADAY, JAMES H TN1998-09-24 → cancelled 2010-09-25
- PITTILLO, HEATHER A NC2018-08-24 active