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, WIK4TOS HAM
✅ Available for a vanity request — free since Jul 9, 2026.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
📬 QSL: LoTW user · last upload Jul 3, 2016 · not eQSL AG · QRZ · HamQTH
Not currently held · 1 holder on record · available since Jul 9, 2026
Previous holder: Glenn H Harper
Held K4TOS Jul 8, 2014 → Jul 8, 2024 · first licensed May 1, 2014 as KM4AUZ · 2 licenses · FRN 0023594187
-
- Licensee
- Glenn H Harper
- Address
- 3848 Whitney Pl
Duluth, GA 30096
- FRN
- 0023594187
- Previous call
- KM4AUZ (Technician)
- Last granted
- Jul 8, 2014
- Effective
- Jul 8, 2014
- Last action
- Jul 9, 2026
FCC actions (3)
- Jul 9, 2026 — License expired LIEXP
- Jul 8, 2014 — Vanity call sign granted VANGRT
- Jul 8, 2014 — License issued LIISS
-
- Licensee
- Glenn H Harper
- Address
- 3848 Whitney Pl
Duluth, GA 30096
- FRN
- 0023594187
- Last granted
- May 1, 2014
- Effective
- Jun 9, 2014
- Last action
- Jul 8, 2014
FCC actions (4)
- Jul 8, 2014 — License canceled LICAN
- Jun 9, 2014 — License modified LIMOD
- May 1, 2014 — License issued LIISS
- May 1, 2014 — 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 22, 2014 → Oct 4, 2026 · 73 snapshots · as KM4AUZ
Glenn H Harper
3848 Whitney Pl, Duluth, GA 30096
Others requesting K4TOS
1 application listed K4TOS as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Jun 18, 2014 | Jul 6, 2014 | KM4AUZ · Glenn H Harper · Duluth, GA | 2 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for K4TOS in the last 24 hours. They show up here within seconds of K4TOS beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.