Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9IMH callsign genealogy
Currently held by DIMMER, ROBERT P
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 W9IMH's current licensee, walking backwards.
- KC9WSRcancelledIndiana Masonic Home Amateur Radio ClubINgranted 2012-10-16cancelled 2012-11-10
Successor callsigns
Callsigns held now by people who previously held W9IMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9IMH, oldest first.
- DIMMER, ROBERT P IL1995-11-28 → cancelled 2007-11-29
- Indiana Masonic Home Amateur Radio Club IN2023-06-22 active