With no explanation, label text_A→text_B with either "NOT ENOUGH INFO", "REFUTES" or "SUPPORTS".
text_A: The Iridium System is part of the wider L-band , adjacent to the 1610.6–1613.8 MHz Radio Astronomy Service band .
text_B: The Iridium System presently operates within a 1618.85 to 1626.5 MHz band , part of the wider L-band , adjacent to the 1610.6–1613.8 MHz Radio Astronomy Service ( RAS ) band .
SUPPORTS.