"there appear to be no apps that leverage the RTK abilities of Android dual-band phones...probably because there are only 2 such phones on the market, the Mi 8 and the Huawei 20. All the others have to rely on the "black box" since they do not output any CarrierPhase data..."

Akkor ez itt a kommenteknél nem írja helyesen, igaz? Fázis nélkül is lehet RTK?