Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4RTP callsign genealogy
Currently held by Emig, Thomas W
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 KK4RTP's current licensee, walking backwards.
- Emig, Thomas WVAgranted 2013-05-10cancelled 2013-06-10
Successor callsigns
Callsigns held now by people who previously held KK4RTP.
- Emig, Thomas WNHgranted 2013-09-04cancelled 2025-09-05