Raft Lashing Float Capacity Calculator Estimate how much load a lashed raft

Tunnel Tent Pitch Length Calculator Estimate the full peg-to-peg pitch length, side

Bunting Length Calculator Plan campsite bunting, pennant garlands, awning flags, and canopy

Antenna Gain Range Calculator Estimate camper antenna range from frequency, transmit power,

Evacuation Time by Terrain Calculator Estimate walking evacuation time from distance, terrain,

PLB Battery Life Calculator Estimate personal locator beacon transmit life after age,