Monday, October 14, 2013

How to check if an IP from a domain is in a list of IPs

grep $(dig +short blah.domain.com) file-of-ips.txt
the +short parameter only returns the IP that the blah.domain.com resolves to.

Friday, October 4, 2013

VX8DR RX/TX Freqs

Stole this from some forum. just google it and you can find the source.

RX
Frequency Note
0.5 - 1.8 MHz BC Band. AM Radio
1.8 - 30 MHz Shortwave Band.
30 - 78 MHz 6 Meter Ham
76 - 108 MHz FM Radio
108 - 137 MHz Air Band
137 - 174 MHz 144 MHz Ham. 2 Meter
174 - 222 MHz VHF-TV
222 - 225 MHz 222 MHz Ham
225 - 420 MHz General Band 1
420 - 470 MHz 440 MHz Ham. 70 cm.
470 - 800 MHz UHF-TV
800 - 999 MHz General Band 2 Cellular Blocked

TX
50 - 54 MHz
144 - 148 MHz
222 - 225 MHz USA version only
430 - 440 MHz

TX w/ mod
50 - 54 MHz
144 - 148 MHz
148 - 174 MHz MARS/CAP Mod only
222 - 225 MHz USA version only
430 - 440 MHz
440 - 470 MHz MARS/CAP Mod only. FRS/GMRS freq range