Measure the receiver while the product does its jobTest reception with the actual product noise sources active. Record C/N0 distributions, fix behavior and receiver diagnostics rather than relying on a single bench location fix.Measure the receiver while the product does its jobCompare like-for-like sky conditions or use a controlled RF setup.Quiet baselineGNSS only; fixed sky viewDigital loadDisplay / processor / memoryPower systemCharging / switching statesRadio coexistenceLoRa / BLE / cellular activity³Ô¹Ïtv engineering illustration · conceptual, not to scale · no measured product data