The vehicle must have a functioning radar, electronic chart (eg ACDIS or equivalent) and FM / boundary wave
radios with GMDSS functionality that the prior art correspond to be present for the trade.
Thus, there are two type Fermi atoms by the value of its spin z-component [mu] = [+ or -][1/2] with the boundary wave number [k.sub.f] of the Fermi, which, in turn, is determined by a condition:
This reasoning together with the model of hard spheres claims the important condition to introduce the boundary wave number [k.sub.f] = [(3[[pi].sup.2]N/V).sup.1/3] coinciding with [k.sub.l] and [k.sub.t].
Such definition of Light Particles leads to cutting off the spectrum of the electromagnetic wave by the boundary wave
number [k.sub.0] = mc/[??] or boundary frequency [[omega].sub.[gamma]] = [10.sup.18] Hz of gamma radiation at the value of the rest mass of the Light Particle m = 1.8 x [10.sup.-4][m.sub.e].
In analogous manner, as it was done in letter  regarding the quantization of the electromagnetic field, the boundary wave numbers [k.sub.l] = [[OMEGA].sub.l]/[c.sub.l] for the longitudinal elastic field and [k.sub.t] = [[OMEGA].sub.t]/[c.sub.t] for the transverse one are determined by suggestion that identical Sound Particles interact with each other by the repulsive potentials [U.sub.[??],l] and [U.sub.[??],t] in wave vector space
This reasoning together with the model of hard spheres claims the important condition as introduction the boundary wave number [k.sub.f] = [(3[[pi].sup.2]N/V).sup.1/3] coinciding with [k.sub.l] and [k.sub.t].
In the letter , the boundary wave
number [k.sub.0] = mc/h for electromagnetic field in vacuum was appeared by suggestion that the light quasi-particles interact with each other by repulsive potential [U.sub.[??]] in momentum space