Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1WKW callsign genealogy
Currently held by Peglow, Mark R
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 W1WKW's current licensee, walking backwards.
- Peglow, Mark RMAgranted 2012-02-16cancelled 2018-10-06
Successor callsigns
Callsigns held now by people who previously held W1WKW.
- Peglow, Mark RMAgranted 2021-10-22
All historical holders
Every license row we've seen with the callsign W1WKW, oldest first.
- SKARUPA, STEPHEN G CT1987-08-25 → cancelled 1999-09-01
- Peglow, Mark R MA2018-10-06 → cancelled 2021-10-22