N9TPB
FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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, WIK4OSI HAM
✅ Available for a vanity request — free since Mar 6, 2026.
1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 6, 2026
Previous holder: Robert M Johnson
Held K4OSI Jan 23, 2004 → Mar 5, 2024 · first licensed Dec 11, 2003 as KI4DIO · 2 licenses · FRN 0010003952
-
- Licensee
- Robert M Johnson
- Address
- 7620 Foster-Hixson Cemetary Rd
Hixson, TN 37343
- FRN
- 0010003952
- Previous call
- KI4DIO
- Last granted
- Nov 1, 2013
- Effective
- Nov 1, 2013
- Last action
- Mar 6, 2026
FCC actions (4)
- Mar 6, 2026 — License expired LIEXP
- Nov 1, 2013 — License renewed LIREN
- Jan 23, 2004 — Vanity call sign granted VANGRT
- Jan 23, 2004 — License issued LIISS
-
- Licensee
- Robert M Johnson
- Address
- 7620 Foster-Hixson Cemetary Rd
Hixson, TN 37343
- FRN
- 0010003952
- Last granted
- Dec 11, 2003
- Effective
- Dec 11, 2003
- Last action
- Jan 23, 2004
FCC actions (2)
- Jan 23, 2004 — License canceled LICAN
- Dec 11, 2003 — License issued LIISS
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 94 snapshots · as KI4DIO
Robert M Johnson
7620 Foster-Hixson Cemetary Rd, Hixson, TN 37343
Others requesting K4OSI
4 applications listed K4OSI as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Oct 15, 2019 | Nov 2, 2019 | KI7VOL · Ronald G Flinders · HOOPER, UT | 18 | Granted |
| Jan 5, 2004 | Jan 23, 2004 | KI4DIO · Robert M Johnson · Hixson, TN | 1 | Granted |
| May 12, 2003 | May 30, 2003 | KF4BCK · SCOTT H REMINGTON · JOHNS ISLAND, SC | 2 | Granted |
| Feb 13, 2002 | Mar 3, 2002 | KD4LSM · FRANK M CHIDSEY · ANGIER, NC | 5 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for K4OSI in the last 24 hours. They show up here within seconds of K4OSI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.