It can be seen that a method of applying Total Compass Error (Variation and Deviation) to obtain a True Bearing to lay on a chart, or the compass course to steer, can be formulated.
Ingabonakala ngathi indlela esetyenzisiweyo xa kusenziwa impazamo yesalatha mbombo esipheleleyo (Ukuguqu-guquka nokuphambuka) ukufumana unxibelelwano oluyinyani, ukubeka kwitshati okanye isalatha mbombo esingunobangela wokulawula kungenzeka.