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, WIN1SDX HAM
⏳ Not available yet — opens for vanity requests Mar 25, 2028, two years after the license was canceled (Mar 24, 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 · 2 holders on record
Previous holder: John S Peterson
Held N1SDX Feb 24, 2026 → Mar 24, 2026 · first licensed Mar 14, 2024 as KC1UJI · 4 licenses · FRN 0034904805
-
- Licensee
- John S Peterson
- Address
- 44 CRESTWOOD DR
Kingston, RI 02881
- FRN
- 0034904805
- Previous call
- N1SDX (Technician)
- Last granted
- Mar 24, 2026
- Effective
- Mar 24, 2026
- Last action
- Mar 24, 2026
FCC actions (2)
- Mar 24, 2026 — Vanity call sign granted VANGRT
- Mar 24, 2026 — License issued LIISS
-
- Licensee
- John S Peterson
- Address
- 44 CRESTWOOD DR
Kingston, RI 02881
- FRN
- 0034904805
- Previous call
- N5JSP (Technician)
- Last granted
- Feb 24, 2026
- Effective
- Feb 24, 2026
- Last action
- Mar 24, 2026
FCC actions (3)
- Mar 24, 2026 — License canceled LICAN
- Feb 24, 2026 — Vanity call sign granted VANGRT
- Feb 24, 2026 — License issued LIISS
-
- Licensee
- John S Peterson
- Address
- 44 CRESTWOOD DR
Kingston, RI 02881
- FRN
- 0034904805
- Previous call
- KC1UJI (Technician)
- Last granted
- Apr 2, 2024
- Effective
- Dec 16, 2024
- Last action
- Feb 24, 2026
FCC actions (4)
- Feb 24, 2026 — License canceled LICAN
- Dec 16, 2024 — License modified LIMOD
- Apr 2, 2024 — Vanity call sign granted VANGRT
- Apr 2, 2024 — License issued LIISS
-
- Licensee
- John S Peterson
- Address
- 44 CRESTWOOD DR
Kingston, RI 02881
- FRN
- 0034904805
- Last granted
- Mar 14, 2024
- Effective
- Mar 14, 2024
- Last action
- Apr 2, 2024
FCC actions (3)
- Apr 2, 2024 — License canceled LICAN
- Mar 14, 2024 — License issued LIISS
- Mar 14, 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 · 28 snapshots · as KC1UJI
John S Peterson
44 CRESTWOOD DR, Kingston, RI 02881
Previous holder: WILLIAM T MARTELL
Held N1SDX Jul 7, 1994 → Jul 7, 2004 · first licensed Jul 7, 1994 as N1SDX · 1 license · no FRN on file (pre-2001 records)
-
- Licensee
- WILLIAM T MARTELL
- Address
- 213 CHESTNUT HILL RD
ROCHESTER, NH 03867
- Last granted
- Jul 7, 1994
- Effective
- Jul 7, 1994
- Last action
- Jul 8, 2006
FCC actions (1)
- Jul 8, 2006 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as N1SDX
WILLIAM T MARTELL
213 CHESTNUT HILL RD, ROCHESTER, NH 03867
Others requesting N1SDX
2 applications listed N1SDX as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Feb 6, 2026 | Feb 24, 2026 | N5JSP · John S Peterson · Kingston, RI | 2 | Granted |
| Nov 26, 2013 | Dec 14, 2013 | KC1AVM · Oliver E Simon · Waban, MA | 5 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for N1SDX in the last 24 hours. They show up here within seconds of N1SDX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.