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

AJ4BO

Expired

NIELSEN, JOHN E

Location: COOKVILLE, TN
Class: Amateur Extra
Granted: 2013-11-06
Expires: 2023-06-08
Previous call: AB2RU
FRN: 0008637886

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Vanity availability

270d

Available on 2027-06-07

AJ4BO expired on 2023-06-08. Hold ends in 270 days.

Last held by NIELSEN, JOHN E (TN).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

AB2RUcancelled· E
Nielsen, John ETNgranted 2003-03-18cancelled 2007-08-24
KB2PZJcancelled· E
Nielsen, John ENJgranted 2003-03-18cancelled 2004-03-08

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with AJ4

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Full history → Vanity availability → Callsign genealogy →