Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MAK callsign genealogy
Currently held by Kramm, Mark 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 W1MAK's current licensee, walking backwards.
- Miller, Roland GCTgranted 2015-10-21cancelled 2016-06-03
Successor callsigns
Callsigns held now by people who previously held W1MAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1MAK, oldest first.
- Kramm, Mark A CT2000-05-09 → cancelled 2012-05-10
- Miller, Roland G CT2026-03-24 active