N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 15, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)KB3SMT HAM
✅ Available for a vanity request — free since Aug 19, 2012.
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 Aug 19, 2012
Previous holder: Sean R O'Connor
Held KB3SMT Mar 23, 2009 → Aug 18, 2010 · first licensed Mar 23, 2009 as KB3SMT · 3 licenses · FRN 0018623736
-
📦 Moved: Cambridge, MA → Chalfont, PA
- Licensee
- Sean R O'Connor
- Address
- 112 Richard Dr
Chalfont, PA 18914
- FRN
- 0018623736
- Previous call
- KB1UQY (Technician)
- Last granted
- Sep 21, 2010
- Effective
- Aug 13, 2019
- Last action
- Sep 22, 2022
FCC actions (5)
- Sep 22, 2022 — License expired LIEXP
- Aug 13, 2019 — Administrative update LIAUA
- Feb 24, 2015 — Administrative update LIAUA
- Sep 21, 2010 — Vanity call sign granted VANGRT
- Sep 21, 2010 — License issued LIISS
-
- Licensee
- Sean R O'Connor
- Address
- 85 1/2 Winter Street Apt 2
Cambridge, MA 02141
- FRN
- 0018623736
- Previous call
- KB3SMT (Technician)
- Last granted
- Mar 23, 2009
- Effective
- Aug 18, 2010
- Last action
- Sep 21, 2010
FCC actions (3)
- Sep 21, 2010 — License canceled LICAN
- Aug 18, 2010 — Systematic call sign granted SYSGRT
- Aug 18, 2010 — License issued LIISS
-
- Licensee
- Sean R O'Connor
- Address
- 85 1/2 Winter Street Apt 2
Cambridge, MA 02141
- FRN
- 0018623736
- Last granted
- Mar 23, 2009
- Effective
- Aug 10, 2010
- Last action
- Aug 18, 2010
FCC actions (5)
- Aug 18, 2010 — License canceled LICAN
- Aug 10, 2010 — Administrative update LIAUA
- Mar 22, 2010 — License modified LIMOD
- Mar 23, 2009 — License issued LIISS
- Mar 23, 2009 — 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 16, 2022 → Oct 11, 2026 · 14 snapshots · as W1SRO
Sean R O'Connor
112 Richard Dr, Chalfont, PA 18914 - Seen Oct 17, 2011 → Oct 11, 2026 · 104 snapshots · as KB3SMT
Sean R O'Connor
85 1/2 Winter Street Apt 2, Cambridge, MA 02141 - Seen Mar 28, 2015 → May 6, 2019 · 23 snapshots · as W1SRO
Sean R O'Connor
413 Commons Way, Doylestown, PA 18901 - Seen May 27, 2010 · 1 snapshot · as KB3SMT
Sean R O'Connor
5228 Cedar Ln Apt 146, Columbia, MD 21044
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KB3SMT in the last 24 hours. They show up here within seconds of KB3SMT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.