Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3WTF callsign genealogy
Currently held by MARKERT II, THOMAS S
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 N3WTF's current licensee, walking backwards.
- Spiller, Christopher MNYgranted 2009-09-23cancelled 2011-09-13
Successor callsigns
Callsigns held now by people who previously held N3WTF.
- OUTHWAITE, SIMON GCAgranted 2019-04-29
All historical holders
Every license row we've seen with the callsign N3WTF, oldest first.
- MARKERT II, THOMAS S PA1997-10-14 → cancelled 2008-01-29
- OUTHWAITE, SIMON G CA2009-04-03 → cancelled 2009-07-07
- SPILLER, CHRISTOPHER M WA2021-06-29 active