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Propagation model tuning is a fundamental part of everyday GSM cellular engineering practice. The model tuning is usually accomplished through elaborate and costly tests based on CW measurements. This paper evaluates alternatives to CW testing where measurements are collected using GSM scanners and GSM high dynamic range receivers. The results of the analysis reveal that GSM receivers provide a viable alternative for CW tests in many practical situations. On the other hand, use of GSM scanners is affected by the co-channel and adjacent channel interference and therefore it is limited to cases of relatively low frequency reuse.