[time-nuts] RFTGm-II-Rb - can you gps discipline it without the XO module?

Alan Kamrowski II alank2 at earthlink.net
Sun Aug 18 00:05:20 EDT 2013


Hi Guido,

>yes it worked. I'll have to look through my software projects and send you the source file.

Please do, so far my attempt is just failing.

I'm trying to send:

        //transmit gps data
        txserial_putc('@');
        txserial_putc('@');
        checksum=0;
        checksum_putc('E');
        checksum_putc('a');

        checksum_putc(1);   //month
        checksum_putc(1);   //day
        checksum_putc(208); //year2 2000
        checksum_putc(7);
        checksum_putc(0);   //h
        checksum_putc(0);   //m
        checksum_putc(0);   //s
        checksum_putc(0);   //frac4    0
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);   //lat4     0
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);   //long4    0
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);   //elip4    0
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);   //notused4   0
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);
        checksum_putc(0);   //vel2        0
        checksum_putc(0);
        checksum_putc(0);   //heading2    0
        checksum_putc(0);
        checksum_putc(0);   //dop2        0
        checksum_putc(0);
        checksum_putc(0);   //doptype     0
        checksum_putc(12);  //vissats     12
        checksum_putc(8);   //trackedsats 8
        checksum_putc(0);   //satid       0
        checksum_putc(6);   //trackmode   sat time available
        checksum_putc(0);   //carrnoise
        checksum_putc(2);   //status      using for time solution
        checksum_putc(1);   //2
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(2);   //3
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(3);   //4
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(4);   //5
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(5);   //6
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(6);   //7
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(7);   //8
        checksum_putc(6);
        checksum_putc(0);
        checksum_putc(2);
        checksum_putc(32);   //receiverstat   3d fix

        txserial_putc(checksum);
        txserial_putc(13);
        txserial_putc(10);

Thanks,

Alan




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