Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0SP callsign genealogy
Currently held by LOCHRIE, EDWARD G
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 W0SP's current licensee, walking backwards.
- HOLLENDORFER, FREDERICK CCOgranted 2015-09-23cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held W0SP.
- LOCHRIE, EDWARD GCOgranted 2019-04-27cancelled 2020-06-26
All historical holders
Every license row we've seen with the callsign W0SP, oldest first.
- JOHNSON Mr, HERMAN F CO2006-08-31 → cancelled 2018-11-06
- LOCHRIE, EDWARD G CO2018-11-24 → cancelled 2019-04-27
- Hollendorfer, Frederick C CO2021-05-18 active