N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 12, 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, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

K4NSF HAM

✅ Available for a vanity request — free since May 25, 2025.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it. No pending applications list it.
Last requested May 6, 2003 as choice 1: granted.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since May 25, 2025

Previous holder: National Science Foundation Amateur Radio Club

Held K4NSF May 24, 2003 → May 24, 2023 · first licensed Apr 8, 2003 as KG4ZNE · 3 licenses · FRN 0008759003

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
K4NSF in the Printed Callbooks, 1909–1997
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

Others Requesting K4NSF

1 application listed K4NSF as a choice, newest first.

FiledAwardApplicantChoice #K4NSFResult
May 6, 2003 May 24, 2003 KG4ZNE · National Science Foundation Amateur Radio Club · Arlington, VA 1Granted Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for K4NSF in the last 24 hours. They show up here within seconds of K4NSF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.