$3\mathrm{.}2$ A VHF radar at $220$ MHz has a maximum unambiguous range of $180$ nmi $.($a$)$ What is its first blind speed $($in knots$)?($b$)$ Repeat, but for an $\backslash ($ L $\backslash )-$band radar at $1250$ MHz $.($c$)$ Repeat, but for an $\backslash ($ X $\backslash )-$band radar at $9375$ MHz $.($d$)$ What would be the unambiguous range $($nmi$)$ of the $\backslash ($ X $\backslash )-$band radar of part $($c$)$ in order to give the same blind speed you found in part $($a$)$ for the VHF radar? $($e$)$ If you needed to have a radar with the first blind speed of the VHF radar of part $($a$),$ would you rather have the VHF radar of part $($a$)$ or the $\backslash ($ X $\backslash )-$band radar of part $($d$)?$ Please explain your answer $($There might not be a unique answer.$)$