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

KA4JDU

Cancelled

FRENZEL, JOHN C

Location
SUGAR LANE, TX
Class
Amateur Extra
Granted
1997-10-28
Expires
2005-11-20
FRN
0003164779
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Vanity availability

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KA4JDU cleared its 2-year hold on 2002-06-03. Eligible for vanity application.

Last held by FRENZEL, JOHN C (TX).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

  1. W2SPactive· E
    FRENZEL, JOHN CTXgranted 2020-03-18

License history

0 events

No recorded events.

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