The CONUS set will be receivable.
solarix.net · UHF SATCOM Frequencies
All of those freqs should bring something. Checking my logs so far today (Jan 2nd)
267.050,
255.550,
258.650 have all been hopping with Brazilian pirate activity.
257.150 has been active today with secure US MIL traffic.
I have no experience with LANT, so I can't say what freqs they use. If I had to guess prob the same ones as PAC. From the east coast you can also get Fltsatcom-8 which has some freqs not listed on the above link. 262.200, 261.450 come to find so whatever bandplan those are on is what you want.