A method of ensuring the security of data from a medical test includes providing the patient with a medical data card issued by a secure information provider, and having a unique patient identification number, a public key encryption private key, and public key encryption public key. The receiving system includes a signal receiving unit, a signaling decoder, a block decoder, and an RS frame decoder. The method further comprises performing of a high-precision position determination for the user equipment. The computing system determines that the frequency signal comprises a first value that is not equal to the predetermined frequency value. The technique includes changing an object of a product creation process and accumulating the change without changing a baseline of a product structure associated with the product creation system if the change to the object is a soft change.