“_Hot8
_Hot9
Red_Red_y
_FREEDOM_mark1-99_y
Pc_sigD
Conf_net[w1]”
FREEDOM is likely the name given by Q to his ‘aircraft’ in these gobbledygook brevity crumbs. All aircraft have callsigns while in the air. 1-99 is the ordnance, the documents to be DECLASified.
Pc_sigD I initially thought was aircraft related. Conf_net or confnet is a cgi used for configuring or viewing networks.
PCSIG
https://www.acm.org/special-interest-groups/about-special-interest-groupsf
w1 = wait one or standby. In this case, the one is probably literal.