Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0IAW callsign genealogy
Currently held by HOLT, ROBERT L
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 W0IAW's current licensee, walking backwards.
- Whalen, Christopher MNEgranted 2018-02-22cancelled 2021-11-02
Successor callsigns
Callsigns held now by people who previously held W0IAW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0IAW, oldest first.
- HOLT, ROBERT L MN1998-01-23 → cancelled 2010-01-26
- Whalen, Christopher M NE2021-11-02 active