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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K6FOS callsign genealogy

Currently held by Foster City Amateur Radio Emergency Service Inc

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 K6FOS's current licensee, walking backwards.

  1. KJ6IQGcancelled
    Foster City Amateur Radio Emergency Service IncCAgranted 2010-06-07cancelled 2010-09-28

Successor callsigns

Callsigns held now by people who previously held K6FOS.

No current licensee on record previously held this callsign.

← Back to K6FOS License history →