typedef struct __attribute__((packed)){
	uint32_t 	u32CalStringLen;		// Cal Name length (Non-null terminated)
	char	 	cCalStringPtr[u32CalStringLen];		// Cal Name string without null termination
	uint32_t 	u32CalReadCount;		// Cal array element count
	uint32_t 	u32CalDataType;			// Cal data type 0->BYTE, 1->SHORT, 2->LONG, 3->FLOAT. Used for type-casting
	uint32_t	p32CalDataPtr[u32CalReadCount];			// actual Cal data 
}tTekCalConst;

typedef struct __attribute__((packed)){
	uint32_t	u32EndStringLen;		// Always = 3
	char		cEnd[3];				// 'E', 'N', 'D'
}tTekCalEnd

typedef struct __attribute__((packed)){
	uin16_t 		u16CheckSum;
	tTekCalConst	tCalConst1;
	tTekCalConst	tCalConst2;
	// ...
	// ...
	// ...
	tTekCalEnd		tCalEnd;
}tTekCalData;