darkstar

also a USAF callsign for Area 51

by IrishRepublicanArmy October 13, 2003

SSB

AM radio transmission in which only one sideband is transmitted.

SSB is a highly efficent modulation mode and is widely used for HF communications.

by IrishRepublicanArmy January 24, 2004

battleship

A fun game that teaches little children to play nice, as well as naval warfare tactics.

B-8!

You sunk my battleship!

by IrishRepublicanArmy December 12, 2003

PRC-77

the PRC doesn't stand for anything.

the PRC-77 (and the improved PRC-770) are military VHF FM transcievers, that have been used sence 1960, and are slowly being phased out because the US Army likes them.

Frequency Coverage:
30.0000 to 76.0000 MHz
channel spacing:
50 kHz
channels:
920
Power Output:
5 watts
Range:
10 miles on a bad day
5 miles when the VC are shooting at you
30 miles when you get back to base

PRC-77s are used as manpack radios (straped to the back of GIs and used for unit-to-unit communications), if you've ever seen the movie "Platoon", the PRC-77 is the radio that all the Americans are carrying on thier backs.
or they are installed as radios in Humvees and tanks. (i.e. all the antennas on military viecles are connected to PRC-77s.

widly copied by every NATO member, so all the good guys can talk to each other.

"Roger, get the PRC-77 on 41.75 and call HQ"

by IrishRepublicanArmy October 21, 2003

PSK31

A digital transmission mode -- Phase Shift keying with 31.25 baud rate

PSK31 is one of the better HF operating digital modes.

by IrishRepublicanArmy January 01, 2004

Men At Work

1) An awesome 90s Australian band

2) Signs you see everywhere at work zones, even though women are working also.

Land Downunder

---+---

50 facts about women

by IrishRepublicanArmy May 30, 2004

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 02, 2004