🕒 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, WI
KJ6CZU HAM
✅ Available for a vanity request — free since Dec 2, 2011.
2x3 call: any licensee can request it.
No pending applications list it.
Oct 22, 2009 — 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 May 27, 2010 → Oct 4, 2026 · 84 snapshots · as KJ6CZU
ANTHONY W KOOIJ
Attn: Anthony W Kooij PO Box 700033 San Jose, CA 95170-0033
Seen May 27, 2010 → Mar 28, 2014 · 10 snapshots · as W6AWK
ANTHONY W KOOIJ
P.O. Box 700033, San Jose, CA 95170-0033
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ6CZU in the last 24 hours. They show up here within seconds of KJ6CZU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.