🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 9:45 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
KJ4PSG HAM
✅ Available for a vanity request — free since May 28, 2013.
2x3 call: any licensee can request it.
No pending applications list it.
Oct 13, 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 Apr 27, 2024 → Sep 27, 2026 · 11 snapshots · as K7AVL
James Warren Jr
Attn: James V Warren PO Box 745 12b Officers Row, Yellowstone Nat Pk, WY 82190
No APRS positions, PSK Reporter reports or WSPR spots for KJ4PSG in the last 24 hours. They show up here within seconds of KJ4PSG beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.