Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KMB callsign genealogy
Currently held by Barlow, K Mark
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 W1KMB's current licensee, walking backwards.
- Barlow, K MarkVTgranted 2016-02-19cancelled 2016-06-28
Successor callsigns
Callsigns held now by people who previously held W1KMB.
- Barlow, K MarkVTgranted 2019-10-25