Scott shared these priceless pearls of wisdom:
I vote for 10368.1 MHz

Very little interference or intermod...

"Jim Weir" responded:
But damned few of us carry around X-band gear to chatter with.

And you(*) thought COM freqs were line-of-sight... yeesh!

Russell Kent
(*) That's a generic "you", not a "you, Jim Weir," reference. I'm no
sparky.