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Effective and efficient network planning for appropriate area coverage can use the standard propagation model (SPM) tuning method. SPM functions to increase the accuracy of predictions from the appropriate coverage planning results in field implementation. This study uses a calibration method resulting from field measurements with 4G LTE 1800 MHz technology. The results of the simulation found that the percentage of SPM propagation model for RSRP is above -80 dBm, the difference is 4.30%, RSRP values range from -80 dBm to -95 dBm at 21.52%, -95 to -110 dBm at 25.45%, and RSRP is smaller than -110 dBm at 0.37% by measuring field signal distribution. Coverage prediction of SPM propagation model has good results with predictive accuracy of 87% compared to cost 231 of 79%. The improvement of RSRP in the simulation is caused by changes in the correction values K1 to K7 which are in accordance with the criteria of the Purwokerto City area after tuning.