Statistics

Launch Date / Time April 26, 2018 / 10:03 am (14:03 UTC)

Launch Site Berkeley Springs High School Courtyard

Berkeley Springs, WV 25411

39.6175 N, 78.2326 W, Elevation 189 m (620 ft)

Balloon Path - The red dots represent data points. Every 2 minutes, the tracking

device sent out a signal including GPS coordinates, speed, time, bearing, and elevation.

Ascension Rate

Predicted from "Burst Calculator" = 5.56 m/s (12.4 mph)

Measured Rate = 2.78 m/s (6.22 mph)

Difference = 2.78 m/s (-6.22 mph)

Burst Altitude Predicted 30000 m (98425 ft), (18.6 mi)

Actual 27,042 m ( 88,719 feet ), (16.8 mi)

Difference 2958 m, (9706 ft), (-1.8 mi)

Burst Location Near Sickman's Mill, PA (39.9342 N, 76.3222W)

Descent Rate

Predicted from "Burst Calculator" = 9.93 m/s (22.21 mph)

Measured from APRS Data = 11.0 m/s (24.6 mph)

Difference +1.07 m/s (+2.39 mph)

Landing Site Predicted using APRS data and the HABHUB projection tool.

39.78093 N, 76.90733 W (A backyard in Hanover, PA)

Actual landing site was

39.97011 N, 76.05406 W (In a field near Paradise, PA)

The difference was about 76.11 km (47.29 mi).

Range Predicted 109.22 km (67.87 mi), Actual 190.2 km (+118.2 mi)

Driving Distance 269 km (167 mi) Driving Time = 2 hr. 52 min.

Time of Flight Predicted 1 hr. 31 min., Actual 3 hr. 7 min. Difference +1 hr 36 min.