But every would-be microwave designer has to start somewhere, and for [Adam Gulyas] that start came with a 2.4 GHz patch antenna. His write-up is a fascinating tale of the challenges and pitfalls ...
The hand-launched Puma 3 AE has a wingspan of 9.2 feet (2.8 meters), weighs 15 pounds (6.8 kilograms) and operates for up to 2.5 hours at line-of-sight range of 20 kilometers with a standard antenna, ...
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