I just don't understand the CB with a linear amp idea, spend a helluva lot more money on a radio and a linear Amp for CB than you would on a decent Ham rig and the license to go with it, and end up with a rig that still doesn't have the range and voice/signal clarity of a good Ham Radio.
The10 and 11 meter bands in AM or SSB mode are not a long range proposition, even with a huge amp, unless you are running a large directional beam type antenna, and you just can't mount a Yagi with an approximately 32 foot wide set of elements on your Jeep or 4x4 pickup.
Most CB antennas for a vehicle are only rated for 100 to 150 watts, especially the mag mount type, the 102" whips will handle a little more, but the tiny RG58 coax that feeds them is being taxed with anything more than 100 or so watts input, and so you really are not punching out as much signal as you think, most of it is being converted to heat energy in the coax and the antenna itself even if you manage to get it tuned for a low SWR.
And then there is the legality of it, get caught, and the FCC can issue you a huge fine, they will confiscate the equipment, and can confiscate the vehicle it is mounted in too.
Cheaper to get the Ham license ($15 and the test) and acquire a good all mode radio like a good used Yaesu FT100 (VHF/UHF/HF, works in AM, SSB, FM and CW) and puts out 100 watts as is. If you are going to four wheel it so far back in the wilds you need long distance comms, 11 meters isn't going to get it, hardly anyone listening to it , and if they could hear your booming signal because you are running that 500 or 1,000 or 1,500 watt linear amp (and the dual batteries and 200+ Amp alternator it would require , along with the 2 gauge wire to power it), you wouldn't be able to hear their reply unless they were also running that much power, for while they might hear you from a 100 or 1,000 miles away on their 4 Watt AM 12 Watt SSB CB radio, their signal is never going to reach you.
Put that 100 watt all band rig in the truck, add a good screwdriver HF antenna and a good high gain VHF/
UHF antenna for that side of the radio, and be out the door for hundreds of dollars less than your CB rig with the linear and antenna that are far less efficient. And you have a lot more bands to holler for help on, instead of just 40 channels of AM , 40 channels of USB and 40 of USB , you have literally thousands of frequencies to choose from, and generally speaking, if someone can hear you on one, you can hear them as well.
Yup, just don't understand it, but then I am a dinosaur, and technology corn fuse tuh kates me.