N9TPB
FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 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, WIKM4SZ HAM
✅ Available for a vanity request — free since Aug 19, 2020.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Feb 20, 2007 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Aug 19, 2020
Previous holder: William A Gwaltney Jr
Held KM4SZ Jun 23, 2004 → Aug 18, 2018 · first licensed Jun 23, 2004 as KM4SZ · 3 licenses · FRN 0011124682
-
- Licensee
- William A Gwaltney Jr
- Address
- Attn: William Gwaltney Jr
8 Kellom Court
Durham, NC 27713
- FRN
- 0011124682
- Previous call
- KQ4CDN (General)
- Last granted
- Mar 21, 2023
- Effective
- Mar 21, 2023
- Last action
- Mar 21, 2023
FCC actions (2)
- Mar 21, 2023 — Vanity call sign granted VANGRT
- Mar 21, 2023 — License issued LIISS
-
- Licensee
- William A Gwaltney Jr
- Address
- 8 Kellom Court
Durham, NC 27713
- FRN
- 0011124682
- Last granted
- Jul 19, 2022
- Effective
- Mar 1, 2023
- Last action
- Mar 21, 2023
FCC actions (4)
- Mar 21, 2023 — License canceled LICAN
- Mar 1, 2023 — License modified LIMOD
- Jul 19, 2022 — License issued LIISS
- Jul 19, 2022 — Systematic call sign granted SYSGRT
-
- Licensee
- William A Gwaltney Jr
- Address
- 8 Kellom Ct
Durham, NC 27713
- FRN
- 0011124682
- Last granted
- Jun 12, 2008
- Effective
- Jun 12, 2008
- Last action
- Aug 19, 2020
FCC actions (3)
- Aug 19, 2020 — License expired LIEXP
- Jun 12, 2008 — License renewed LIREN
- Jun 23, 2004 — FCC action LTSFRN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KM4SZ in the last 24 hours. They show up here within seconds of KM4SZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.