N9TPB
FCC License Search
🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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, WIKP4JA HAM
✅ Available for a vanity request — free since Aug 10, 2026.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held · 2 holders on record · available since Aug 10, 2026
Previous holder: La Sierra Contest Group
Held KP4JA Feb 27, 2024 → Aug 9, 2024 · first licensed Feb 9, 2024 as WP4TEN · 3 licenses · FRN 0034885905
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📦 Moved: Aibonito, PR → San Juan, PR
- Licensee
- La Sierra Contest Group
- Address
- Attn: JOSE E DIAZ MORALES
1670 Calle Orinoco Urb El Cerezal
San Juan, PR 00926
- FRN
- 0034885905
- Previous call
- KP4JA
- Trustee
- KP3J
- Last granted
- Aug 9, 2024
- Effective
- Jul 23, 2026
- Last action
- Jul 23, 2026
FCC actions (3)
- Jul 23, 2026 — Administrative update LIAUA
- Aug 9, 2024 — Vanity call sign granted VANGRT
- Aug 9, 2024 — License issued LIISS
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- Licensee
- La Sierra Contest Group
- Address
- Attn: JOSE E DIAZ MORALES
PO Box 268
Aibonito, PR 00705
- FRN
- 0034885905
- Previous call
- WP4TEN
- Trustee
- KP3J
- Last granted
- Feb 27, 2024
- Effective
- Feb 27, 2024
- Last action
- Aug 9, 2024
FCC actions (3)
- Aug 9, 2024 — License canceled LICAN
- Feb 27, 2024 — Vanity call sign granted VANGRT
- Feb 27, 2024 — License issued LIISS
-
- Licensee
- La Sierra Contest Group
- Address
- Attn: JOSE E DIAZ MORALES
PO Box 268
Aibonito, PR 00705
- FRN
- 0034885905
- Trustee
- KP3J
- Last granted
- Feb 9, 2024
- Effective
- Feb 9, 2024
- Last action
- Feb 27, 2024
FCC actions (3)
- Feb 27, 2024 — License canceled LICAN
- Feb 9, 2024 — License issued LIISS
- Feb 9, 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.
Previous holder: PEDRO I OQUENDO LOPEZ
Held KP4JA Mar 17, 2000 → Nov 19, 2021 · first licensed Mar 17, 2000 as KP4JA · 1 license · FRN 0001848597
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- Licensee
- PEDRO I OQUENDO LOPEZ
- Address
- 1ST B22 SANTA CLARA
SAN LORENZO, PR 00754
- FRN
- 0001848597
- Previous call
- NP4FT (Advanced)
- Last granted
- Oct 5, 2011
- Effective
- Oct 5, 2011
- Last action
- Nov 21, 2023
FCC actions (4)
- Nov 21, 2023 — License expired LIEXP
- Oct 5, 2011 — License renewed LIREN
- Aug 22, 2001 — License renewed LIREN
- Mar 17, 2000 — Administrative update LIAUA
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Others requesting KP4JA
2 applications listed KP4JA as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 9, 2024 | Feb 27, 2024 | WP4TEN · La Sierra Contest Group · Aibonito, PR | 1 | Granted |
| Apr 22, 2021 | May 10, 2021 | WP4RTJ · Charlie Ferrer · Sabana Grande, PR | 2 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KP4JA in the last 24 hours. They show up here within seconds of KP4JA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.