IrishRepublicanArmy's definitions

sine wave

a periodic oscillation, as simple harmonic motion, having the same geometric representation as a sine function.

example is too short, so very true.

by irishrepublicanarmy January 2, 2004

Morse Code

A communications system consisting of letters coded into dots and dashes, and used in radiotelegraph systems. (usally HF systems), and its fun to jam freeband stations with this stuff.

I jammed a pirate radio station with "HELLO HELLO I HATE YOU" in morse code over and over again.

by IrishRepublicanArmy January 27, 2004

spaceballs

Mel Brooks' best movie, and one of the funnyest movies ever made, next to Airplane!

"Spaceball One"

by IrishRepublicanArmy October 13, 2003

holding pattern

The term applied to the dogfight in progress over any radio facility serving a terminal airport.

ATC: Cessna 78 Romeo, enter holding pattern

Me: Oh crap

by IrishRepublicanArmy December 22, 2003

cuban number station

It is not known exactly what they are there, but its pretty much transmitted enigma in CW mode and then a bunch of numbers (in Spanish) in AM mode. It sounds like a female computer voice.

Cuban number stations can be monitored all across North America.

CUBAN NUMBER STATION COMMON JAMMING FREQUENCIES:

3060 (very common on the 6.6 MHz pirate radio band also)
3090
3292 6867 7648 8790 11215
3410 6872 7682 8873 11468
3444 6888 7726 8980 12144
3926 6890 7743 8992 13373
40176892 7755 9120 13419
4020 6920 7845 9140 14180
4027 6933 7860 9237 14736
4174 6935 7887 9251 14770
4601 6983 7890 9255 14825
4610 6953 8010 9330 17425
4328 6942 8018 9925 17520
4479 6768 6995 8066 10125 18035
5087 6778 7425 8126 10180 18434
5118 6787 7435 8136 10270 20316
5135 6797 7480 8150 10345 21865
5407 6800 7482 8165 10510
5415 6825 7520 8186 10713
5417 6840 7525 8240 10865
5420 6856 7580 8380 11125

by IrishRepublicanArmy December 10, 2003

DX

Radio term for "extended distance".
What "extended distance" really is could be 100 miles, 1000 miles, 10,000 miles, it is pretty grey as to an exact number or distance.

11-meter pirate radio operators use the frequency of 27.555 MHz (27555.0 kHz) for DX calling.

by IrishRepublicanArmy December 23, 2003

facsimile

The transferring of images, usually or hard-copy documents, via telephone lines to another device that can recieve and interpret the images.

I am the only person that knows how to spell that word.

by IrishRepublicanArmy December 29, 2003