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

KW4NFL

Cancelled

Riestenberg, Robert J

Location: Jupiter, FL
Class: General
Granted: 2017-07-04
Expires: 2027-07-04
Previous call: KN4DZM
FRN: 0026468470

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Vanity availability

Available

Available now

KW4NFL cleared its 2-year hold on 2019-07-25. Eligible for vanity application.

Last held by Riestenberg, Robert J (FL).

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 →

Previously held by current licensee

KN4DZMcancelled· G
Riestenberg, Robert JFLgranted 2017-06-16cancelled 2017-07-04

Prior holders later became

N4RJRactive· E
RIESTENBERG, ROBERT JFLgranted 2017-07-25

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

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

Starting with KW4

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KW4PI SC · 2026-09-21
KW4JAM NC · 2026-10-18
KW4JO FL · 2027-02-08
KW4XC FL · 2027-02-08
KW4GIN TN · 2027-02-19

Full history → Vanity availability → Callsign genealogy →