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

KR4GRZ HAM

⏳ Not available yet — opens for vanity requests Apr 5, 2028, two years after the license was canceled (Apr 4, 2026).
2x3 call: any licensee 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

Previous holder: Wayne M Mertes

Held KR4GRZ Sep 11, 2025 → Apr 4, 2026 · first licensed Sep 11, 2025 as KR4GRZ · 2 licenses · FRN 0027324250
📖 In the printed callbooks since 1967 as WA9QKB, before the FCC's online records

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for KR4GRZ in the last 24 hours. They show up here within seconds of KR4GRZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.