🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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
KR4GKJ HAM
⏳ Not available yet — opens for vanity requests Sep 17, 2027, two years after the license was canceled (Sep 16, 2025).
2x3 call: any licensee can request it.
No pending applications list it.
Aug 26, 2025 — 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 Sep 25, 2025 → Oct 4, 2026 · 6 snapshots · as KR4GKJ
Timothy R Diaz
PO Box 33 Phenix City, AL 36868-0033
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KR4GKJ in the last 24 hours. They show up here within seconds of KR4GKJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.