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

W9MHZ

Active

PFEIFER, MICHAEL L

Location: Wesley Chapel, FL
Class: General
Granted: 2023-08-23
Expires: 2033-08-23
Previous call: KC9ZJD
FRN: 0002949899

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Vanity availability

Held

Currently held

W9MHZ is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KC9ZJDcancelled· G
PFEIFER, MICHAEL LILgranted 2006-07-28cancelled 2013-08-23
KB9ONNcancelled· G
PFEIFER, MICHAEL LILgranted 2006-07-28cancelled 2013-07-23

Prior holders later became

W3AFPcancelled· E
PENGELLY, AARON FPAgranted 2009-07-11cancelled 2011-04-26

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with W9

All →

W9HDM IL · 2026-09-21
W9NJH WI · 2026-09-21
W9PJG MA · 2026-09-21
W9LKI IN · 2026-10-07
W9PJF IL · 2026-10-12

Full history → Vanity availability → Callsign genealogy →