N9TPB
FCC License Search
🕒 FCC license data updated today 9:15 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 am CDT
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hams within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIWP4ROQ
Not currently held · 1 holder on record · available since Mar 25, 2025
Previous holder: NORBERTO MONTALVO CASTRO
Held WP4ROQ Sep 14, 2020 → Mar 24, 2023 · first licensed Sep 14, 2020 as WP4ROQ · 2 licenses · FRN 0029882958
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- Licensee
- NORBERTO MONTALVO CASTRO
- Address
- PO BOX 419
LAS MARIAS, PR 00670
- FRN
- 0029882958
- Previous call
- WP4ROQ (General)
- Last granted
- Mar 24, 2023
- Effective
- Mar 24, 2023
- Last action
- Mar 24, 2023
FCC actions (2)
- Mar 24, 2023 — Vanity call sign granted VANGRT
- Mar 24, 2023 — License issued LIISS
-
- Licensee
- NORBERTO MONTALVO CASTRO
- Address
- PO BOX 419
LAS MARIAS, PR 00670
- FRN
- 0029882958
- Last granted
- Sep 14, 2020
- Effective
- Nov 28, 2022
- Last action
- Mar 24, 2023
FCC actions (5)
- Mar 24, 2023 — License canceled LICAN
- Nov 28, 2022 — License modified LIMOD
- Oct 13, 2020 — License modified LIMOD
- Sep 14, 2020 — License issued LIISS
- Sep 14, 2020 — 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 16, 2022 → Sep 27, 2026 · 23 snapshots · as WP4ROQ
NORBERTO MONTALVO CASTRO
PO BOX 419, LAS MARIAS, PR 00670