Meaning of start codon not made of 3 consecutive bases?

2

Reading a gtf file I noticed that some transcripts have 2 lines with start codons, but it looks like there are not 2 different start codons but only one where the bases are not consecutive, what is happening?
enter image description here

In this image you can see one start codon is from 7771384 to 7771385 and the other 7773442. The open reading frame starts at the start codon, would it start at 7771384 or 7773442 in this case?


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