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

AB0SL callsign genealogy

Currently held by LINDEMANN, STEVEN M

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 AB0SL's current licensee, walking backwards.

  1. AD0QRcancelled· E
    LINDEMANN, STEVEN MCOgranted 2015-08-29cancelled 2015-10-14
  2. KB0UMOcancelled· E
    LINDEMANN, STEVEN MCOgranted 2015-08-29cancelled 2015-09-22

Successor callsigns

Callsigns held now by people who previously held AB0SL.

  1. KQ0Sactive· E
    LINDEMANN, STEVEN MCOgranted 2017-09-26
  2. W0AFexpired· E
    Watkinson, Thomas CMOgranted 2002-03-07cancelled 2014-03-08

All historical holders

Every license row we've seen with the callsign AB0SL, oldest first.

  • Watkinson, Thomas C MO
    2001-10-22 → cancelled 2002-03-07
  • LINDEMANN, STEVEN M CO
    2015-10-14 → cancelled 2017-09-26
← Back to AB0SL License history →