🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KJ4RZZ HAM
⏳
Not available yet — opens for vanity requests
Nov 9, 2026 , two years after the license was canceled (Nov 8, 2024).
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL:
LoTW user · last upload Apr 20, 2020
· not eQSL AG
· QRZ · HamQTH
Not currently held
· 1 holder on record
Previous holder: THOMAS B STOCK JR
Held KJ4RZZ Feb 8, 2010 → Nov 8, 2024
· first licensed Feb 8, 2010 as KJ4RZZ
· 3 licenses · FRN 0019561455
K4AKM
Active
General · vanity
Nov 26, 2024 → expires Nov 26, 2034
Licensee THOMAS B STOCK JR
Address 451 WILDWOOD DR SAINT AUGUSTINE, FL 32086
29.8147, -81.3357 (street) · Grid
EL99ht · CQ 5 · ITU 8 ·
map ↗
FRN 0019561455
Previous call K4RZZ (Technician)
Last granted Nov 26, 2024
Effective Nov 26, 2024
Last action May 20, 2025
FCC actions (2)
Nov 26, 2024 — Vanity call sign granted VANGRT Nov 26, 2024 — License issued LIISS
K4RZZ
Canceled
General · vanity
Nov 8, 2024 → Nov 26, 2024 (canceled)
Licensee THOMAS B STOCK JR
Address 451 WILDWOOD DR SAINT AUGUSTINE, FL 32086
29.8147, -81.3357 (street) · Grid
EL99ht · CQ 5 · ITU 8 ·
map ↗
FRN 0019561455
Previous call KJ4RZZ (Technician)
Last granted Nov 8, 2024
Effective Nov 8, 2024
Last action Nov 26, 2024
FCC actions (3)
Nov 26, 2024 — License canceled LICAN Nov 8, 2024 — Vanity call sign granted VANGRT Nov 8, 2024 — License issued LIISS
KJ4RZZ
Canceled
General
Feb 8, 2010 → Nov 8, 2024 (canceled)
Licensee THOMAS B STOCK JR
Address 451 WILDWOOD DR SAINT AUGUSTINE, FL 32086
29.8147, -81.3357 (street) · Grid
EL99ht · CQ 5 · ITU 8 ·
map ↗
FRN 0019561455
Last granted Feb 8, 2020
Effective May 10, 2023
Last action Nov 8, 2024
FCC actions (7)
Nov 8, 2024 — License canceled LICAN May 10, 2023 — Administrative update LIAUA Feb 8, 2020 — License renewed LIREN Mar 14, 2017 — License modified LIMOD Mar 5, 2012 — Administrative update LIAUA Feb 8, 2010 — License issued LIISS Feb 8, 2010 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Apr 27, 2024 → Oct 4, 2026 · 29 snapshots · as KJ4RZZ
THOMAS B STOCK JR
451 WILDWOOD DR, SAINT AUGUSTINE, FL 32086
29.8147, -81.3357 (street) · Grid
EL99ht · CQ 5 · ITU 8 ·
map ↗
Seen May 28, 2012 → Apr 16, 2022 · 32 snapshots · as KJ4RZZ
THOMAS B STOCK JR
6201 DARTMOUTH AVE N, SAINT PETERSBURG, FL 33710
27.7886, -82.7296 (ZIP center) · Grid
EL87ps · CQ 5 · ITU 8 ·
map ↗
Seen May 27, 2010 → Nov 10, 2011 · 3 snapshots · as KJ4RZZ
THOMAS B STOCK JR
5429 57TH AVE N, SAINT PETERSBURG, FL 33709
27.8168, -82.7316 (ZIP center) · Grid
EL87pt · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ4RZZ in the last 24 hours. They show up here within seconds of KJ4RZZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB