² It also looks like a huge set of the interesting frequencies are digital “Project 25,” P25, mode I'm just assuming there's no hope of receiving those on a HAM transceiver. IC706mk2 Mods The 5 MHZ and MARS Mod You can get these at Harbor Freight very cheap They make doing stuff like this very easy. I might have to install a second damn box to talk to truckers. ¹ Not very related, but to my annoyance, it looks like there's no MARS/CAP modification for the 7100 that covers the CB “11-meter band”, 26.965–27.405MHz. Is there any way for me to intelligibly receive (or for that matter, transmit) 2.5kHz-deviation FM signals with my transceiver? I'd really like to scan across such channels without installing yet-more equipment in my passenger compartment and yet I can't find any mention whatsoever of FM deviation in my ICOM-7100 manual. Unfortunately, some poking around frequency-listing websites reveals that a lot of the interesting non-HAM action happens over “NFM” - which I finally ascertained² to be a 2.5kHz-deviation FM mode used by commercial / emergency-services devices. I have an ICOM-7100 that I've installed in my mobile as my primary (nay, only) HAM transceiver and I'm trying to avoid wasting a ton of space in my vehicle (not to mention money) for a proper scanner, or for a CB¹, to achieve fuller coverage of the available spectrum-space.
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