🕒 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
KA4ZNU HAM
✅
Available for a vanity request — free since Dec 22, 2014.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL:
no LoTW uploads on record
· not eQSL AG
· QRZ · HamQTH
Not currently held
· 1 holder on record
· available since Dec 22, 2014
Previous holder: PATRICK N RIGGINS
Held KA4ZNU Dec 24, 2006 → Dec 21, 2012
· first licensed Dec 24, 2006 as KA4ZNU
· 3 licenses · FRN 0015888274
K4KU
Canceled
Amateur Extra · vanity
Apr 16, 2019 → Dec 26, 2022 (canceled)
Licensee PATRICK N RIGGINS
Address P.O. Box 14254 KNOXVILLE, TN 37914
35.9832, -83.7958 (ZIP center) · Grid
EM85cx · CQ 4 · ITU 8 ·
map ↗
FRN 0015888274
Previous call K4PNR (Advanced)
Last granted Apr 16, 2019
Effective May 6, 2021
Last action May 20, 2025
FCC actions (6)
Nov 26, 2024 — Record corrected COR Nov 26, 2024 — Record corrected COR May 6, 2021 — Administrative update LIAUA Apr 17, 2019 — Administrative update LIAUA Apr 16, 2019 — Vanity call sign granted VANGRT Apr 16, 2019 — License issued LIISS
K4PNR
Canceled
Amateur Extra · vanity
Dec 21, 2012 → Apr 16, 2019 (canceled)
Licensee PATRICK N RIGGINS
Address 1104 MONTVIEW DR KNOXVILLE, TN 37914-5031
35.9832, -83.7958 (ZIP center) · Grid
EM85cx · CQ 4 · ITU 8 ·
map ↗
FRN 0015888274
Previous call KA4ZNU (Advanced)
Last granted Dec 21, 2012
Effective Dec 21, 2012
Last action Apr 16, 2019
FCC actions (3)
Apr 16, 2019 — License canceled LICAN Dec 21, 2012 — Vanity call sign granted VANGRT Dec 21, 2012 — License issued LIISS
KA4ZNU
Canceled
Amateur Extra
Dec 24, 2006 → Dec 21, 2012 (canceled)
Licensee PATRICK N RIGGINS
Address 1104 MONTVIEW DR KNOXVILLE, TN 37914-5031
35.9832, -83.7958 (ZIP center) · Grid
EM85cx · CQ 4 · ITU 8 ·
map ↗
FRN 0015888274
Last granted Dec 27, 2006
Effective Dec 27, 2006
Last action Dec 21, 2012
FCC actions (3)
Dec 21, 2012 — License canceled LICAN Dec 27, 2006 — License renewed LIREN Dec 24, 2006 — FCC action ESCFRN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as K4KU
PATRICK N RIGGINS
P.O. Box 14254, KNOXVILLE, TN 37914
35.9832, -83.7958 (ZIP center) · Grid
EM85cx · CQ 4 · ITU 8 ·
map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 91 snapshots · as KA4ZNU
PATRICK N RIGGINS
1104 MONTVIEW DR, KNOXVILLE, TN 37914-5031
35.9832, -83.7958 (ZIP center) · Grid
EM85cx · CQ 4 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KA4ZNU in the last 24 hours. They show up here within seconds of KA4ZNU 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