インテル® Fortran コンパイラー 19.0 デベロッパー・ガイドおよびリファレンス
The TR edit descriptor specifies a character position to the right of the current position in an I/O record. It takes the following form:
TRn
The n is a positive integer literal constant (with no kind parameter) indicating the nth character position to the right of the current character.