🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 2026) · next update today 7:15 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
KD8MHA HAM
✅ Available for a vanity request — free since Nov 18, 2011.
2x3 call: any licensee can request it.
No pending applications list it.
Oct 28, 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 Sep 25, 2025 → Sep 27, 2026 · 2 snapshots · as K0RMA
Warren B Zinger
PO Box 32507 Detroit, MI 48232
Seen May 27, 2010 → Sep 27, 2026 · 90 snapshots · as KD8MHA
Warren B Zinger
PO Box 32290 Detroit, MI 48232
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KD8MHA in the last 24 hours. They show up here within seconds of KD8MHA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.