Size a complete off-grid power system — loads, battery bank, and solar panels for emcomm, field ops, and home backup. Works offline after your first visit.
Add your loads, pick battery chemistry and days of backup — get battery Ah and solar watts in one pass. Use the Field Power hub for individual calculators.
Watts × hours per day for each device. Use average draw for radios (not peak TX).
Battery, solar, and distribution sized together — not separate guesses per device.
KI4TQN is a ham radio, GMRS, and emergency communications hub from East Tennessee — free tools, local reference data, YouTube-aligned guides, and consulting for property owners. Use this map to find your lane.
Pick a path: FCC-licensed GMRS, ham exam study, FRS, Meshtastic, just licensed, emcomm volunteer, or property owner.
113 offline browser tools plus step-by-step deployment workflows. Install the site as a PWA for field use.
Tri-Cities, Erwin / Unicoi (I-26), NETNRC linked repeaters, nets, HF listening, go-bag sheets, and ARES/RACES context.
Blog, videos, downloads, antenna reference, and curated radio links — tied to the YouTube channel.
Paid emergency communications consulting for estates, ranches, and remote properties — plus contact and newsletter.