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, WI

N6SDI HAM

✅ Available for a vanity request — free since Feb 6, 2020.

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 · 1 holder on record · available since Feb 6, 2020

Previous holder: HAROLD P JOHNSON

Held N6SDI Nov 21, 2007 → Feb 5, 2018 · first licensed Nov 21, 2007 as N6SDI · 1 license · FRN 0017152869

N6SDI Expired General Nov 21, 2007 → Feb 5, 2018 (expired)

Licensee
HAROLD P JOHNSON

Address
24 CADIZ CIR
REDWOOD CITY, CA 94065
37.5334, -122.2496 (ZIP center) · Grid CM87vm · CQ 3 · ITU 6 · map ↗

FRN
0017152869

Last granted
Nov 21, 2007

Effective
Nov 21, 2007

Last action
Feb 6, 2020
FCC actions (3)
- Feb 6, 2020 — License expired LIEXP
- Nov 21, 2007 — License renewed LIREN
- Nov 21, 2007 — FCC action LITIN

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 N6SDI
HAROLD P JOHNSON
24 CADIZ CIR, REDWOOD CITY, CA 94065
37.5334, -122.2496 (ZIP center) · Grid CM87vm · CQ 3 · ITU 6 · map ↗

Others requesting N6SDI

2 applications listed N6SDI as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 12, 2022	Jul 30, 2022	KN6VBS · Victoria L Chapman · SAN DIEGO, CA	4	Granted
Aug 11, 2021	Aug 29, 2021	KN6QAA · Randall Schornstein · Newbury Park, CA	5	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N6SDI in the last 24 hours. They show up here within seconds of N6SDI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.