N9TPB
FCC License Search
🕒 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, WIKI4OBR HAM
✅ Available for a vanity request — free since Jul 9, 2010.
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 Jul 9, 2010
Previous holder: Nathan E Watson
Held KI4OBR Mar 13, 2006 → Jul 8, 2008 · first licensed Mar 13, 2006 as KI4OBR · 2 licenses · FRN 0014787329
-
📦 Moved: Ashburn, VA → San Francisco, CA
- Licensee
- Nathan E Watson
- Address
- Attn: Nathan Watson
5214F Diamond Heights Blvd #229
San Francisco, CA 94131-2175
- FRN
- 0014787329
- Previous call
- KI4OBR (Technician)
- Last granted
- Jun 5, 2018
- Effective
- Nov 26, 2025
- Last action
- Nov 26, 2025
FCC actions (5)
- Nov 26, 2025 — Administrative update LIAUA
- Jun 5, 2018 — License renewed LIREN
- May 29, 2013 — Administrative update LIAUA
- Jul 8, 2008 — Vanity call sign granted VANGRT
- Jul 8, 2008 — License issued LIISS
-
- Licensee
- Nathan E Watson
- Address
- 21374 Fernbrook CT
Ashburn, VA 20148
- FRN
- 0014787329
- Last granted
- Mar 13, 2006
- Effective
- Feb 29, 2008
- Last action
- Jul 8, 2008
FCC actions (4)
- Jul 8, 2008 — License canceled LICAN
- Feb 29, 2008 — License modified LIMOD
- Mar 13, 2006 — License issued LIISS
- Mar 13, 2006 — 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 Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as N1TCP
Nathan E Watson
Attn: Nathan Watson
5214F Diamond Heights Blvd #229, San Francisco, CA 94131-2175 - Seen May 27, 2010 → Oct 4, 2026 · 55 snapshots · as KI4OBR
Nathan E Watson
21374 Fernbrook CT, Ashburn, VA 20148 - Seen Oct 22, 2013 → Sep 25, 2025 · 37 snapshots · as N1TCP
Nathan E Watson
1464 Church Street, San Francisco, CA 94131
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KI4OBR in the last 24 hours. They show up here within seconds of KI4OBR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.