This helpful script was given to me. It was sent to me by WISP-Router (http://www.wisp-router.com/). Casey told me it was sent to them by one of their customers. It will create a beep that changes frequency as the alignment gets better/worse. Requires (of course) a MT router with a speaker onboard.

:local beep “10ms”;
:local no “2400ms”;
:local 90 “1290ms”;
:local 85 “790ms”;
:local 80 “590ms”;
:local 77 “390ms”;
:local 74 “290ms”;
:local 71 “240ms”;
:local 68 “190ms”;
:local 65 “140ms”;
:local 62 “90ms”;
:local 59 “60ms”;
:local 56 “40ms”;
:local 53 “20ms”;
:local 50 “10ms”;
:for i from=1 to=100 do={
/interface wireless monitor wlan1 interval=1 do={
:if ($signal-strength <= -90) do={
:delay $no;
}
:if ($signal-strength <= -85 && $signal-strength > -90) do={
:for i from=1 to=2 do={ :beep length=$beep; :delay $90; }
}
:if ($signal-strength <= -80 && $signal-strength > -85) do={
:for i from=1 to=3 do={ :beep length=$beep; :delay $85; }
}
:if ($signal-strength <= -77 && $signal-strength > -80) do={
:for i from=1 to=4 do={ :beep length=$beep; :delay $80; }
}
:if ($signal-strength <= -74 && $signal-strength > -77) do={
:for i from=1 to=6 do={ :beep length=$beep; :delay $77; }
}
:if ($signal-strength <= -71 && $signal-strength > -74) do={
:for i from=1 to=8 do={ :beep length=$beep; :delay $74; }
}
:if ($signal-strength <= -68 && $signal-strength > -71) do={
:for i from=1 to=10 do={ :beep length=$beep; :delay $71; }
}
:if ($signal-strength <= -65 && $signal-strength > -68) do={
:for i from=1 to=12 do={ :beep length=$beep; :delay $68; }
}
:if ($signal-strength <= -62 && $signal-strength > -65) do={
:for i from=1 to=16 do={ :beep length=$beep; :delay $65; }
}
:if ($signal-strength <= -59 && $signal-strength > -62) do={
:for i from=1 to=24 do={ :beep length=$beep; :delay $62; }
}
:if ($signal-strength <= -56 && $signal-strength > -59) do={
:for i from=1 to=34 do={ :beep length=$beep; :delay $59; }
}
:if ($signal-strength <= -53 && $signal-strength > -56) do={
:for i from=1 to=48 do={ :beep length=$beep; :delay $56; }
}
:if ($signal-strength <= -50 && $signal-strength > -53) do={
:for i from=1 to=80 do={ :beep length=$beep; :delay $53; }
}
:if ($signal-strength <= -20 && $signal-strength > -50) do={
:for i from=1 to=120 do={ :beep length=$beep; :delay $50; }
}
}
}



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