Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4YPT callsign genealogy
Currently held by Grossman Gerlach, Samuel L
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 W4YPT's current licensee, walking backwards.
- Grossman Gerlach, Samuel LWAgranted 2015-12-02cancelled 2018-12-21
Successor callsigns
Callsigns held now by people who previously held W4YPT.
No current licensee on record previously held this callsign.