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, WIKJ4SJI HAM
✅ Available for a vanity request — free since Mar 17, 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 Mar 17, 2012
Previous holder: Christopher E Caldwell
Held KJ4SJI Feb 22, 2010 → Mar 16, 2010 · first licensed Feb 22, 2010 as KJ4SJI · 2 licenses · FRN 0019597319
-
- Licensee
- Christopher E Caldwell
- Address
- 1333 Willow Tree Drive
Woodstock, GA 30188
- FRN
- 0019597319
- Previous call
- KJ4SJI (General)
- Last granted
- Dec 24, 2019
- Effective
- Dec 24, 2019
- Last action
- Dec 24, 2019
FCC actions (5)
- Dec 24, 2019 — License renewed LIREN
- Jun 20, 2016 — License modified LIMOD
- Apr 19, 2010 — License modified LIMOD
- Mar 16, 2010 — Vanity call sign granted VANGRT
- Mar 16, 2010 — License issued LIISS
-
- Licensee
- Christopher E Caldwell
- Address
- 1333 Willow Tree Drive
Woodstock, GA 30188
- FRN
- 0019597319
- Last granted
- Feb 22, 2010
- Effective
- Feb 22, 2010
- Last action
- Mar 16, 2010
FCC actions (3)
- Mar 16, 2010 — License canceled LICAN
- Feb 22, 2010 — License issued LIISS
- Feb 22, 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 May 27, 2010 → Oct 4, 2026 · 94 snapshots · as KJ4SJI
Christopher E Caldwell
1333 Willow Tree Drive, Woodstock, GA 30188
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ4SJI in the last 24 hours. They show up here within seconds of KJ4SJI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.