N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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, WIKF0OQK HAM
✅ Available for a vanity request — free since Mar 10, 2026.
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 10, 2026
Previous holder: Matthew L Opsahl
Held KF0OQK Jan 10, 2024 → Mar 9, 2024 · first licensed Jan 10, 2024 as KF0OQK · 3 licenses · FRN 0034720250
-
- Licensee
- Matthew L Opsahl
- Address
- 120 CHRISTIAN DR
Grand Forks, ND 58201
- FRN
- 0034720250
- Previous call
- W1MLO (General)
- Last granted
- Apr 9, 2024
- Effective
- Apr 9, 2024
- Last action
- Apr 9, 2024
FCC actions (2)
- Apr 9, 2024 — Vanity call sign granted VANGRT
- Apr 9, 2024 — License issued LIISS
-
- Licensee
- Matthew Opsahl
- Address
- 120 CHRISTIAN DR
Grand Forks, ND 58201
- FRN
- 0034720250
- Previous call
- KF0OQK (General)
- Last granted
- Mar 9, 2024
- Effective
- Mar 9, 2024
- Last action
- Apr 9, 2024
FCC actions (3)
- Apr 9, 2024 — License canceled LICAN
- Mar 9, 2024 — Vanity call sign granted VANGRT
- Mar 9, 2024 — License issued LIISS
-
- Licensee
- Matthew Opsahl
- Address
- 120 CHRISTIAN DR
Grand Forks, ND 58201
- FRN
- 0034720250
- Last granted
- Jan 10, 2024
- Effective
- Feb 9, 2024
- Last action
- Mar 9, 2024
FCC actions (5)
- Mar 9, 2024 — License canceled LICAN
- Feb 9, 2024 — License modified LIMOD
- Jan 19, 2024 — License modified LIMOD
- Jan 10, 2024 — License issued LIISS
- Jan 10, 2024 — 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 Apr 27, 2024 → Oct 4, 2026 · 36 snapshots · as KF0OQK
Matthew Opsahl
120 CHRISTIAN DR, Grand Forks, ND 58201
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KF0OQK in the last 24 hours. They show up here within seconds of KF0OQK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.