Much heartache is to be saved by using an off-the-shelf design, and only the foolhardy ... and for [Adam Gulyas] that start came with a 2.4 GHz patch antenna. His write-up is a fascinating tale ...

As this happened, photons were emitted in a process known as Cosmological Recombination Radiation (CRR), adding a distortion ...

the Quectel YEGN103W8A geodetic antenna or the Quectel YEGD006U1A patch antenna, and the recently introduced RTK Correction Services, which aid precise positioning when satellite signals are obscured.