uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-09

KD4QBU

Cancelled

SPREITZER, CALVIN J

Location
Great Mills, MD
Class
Technician
Granted
1994-09-16
Expires
2002-06-30
FRN
0005279815
Sign in to watch

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KD4QBU cleared its 2-year hold on 2003-10-05. Eligible for vanity application.

Last held by SPREITZER, CALVIN J (MD).

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. N3CALactive· E
    Spreitzer, Calvin JMDgranted 2021-07-09

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

Starting with KD4

All →