IRLP Node 4676 comprises a Dell PII 400mhz PC running the Red Hat 9.0 Linux operating system connected (via dedicated IRLP interface board) to an Alinco DR-235T 222mhz FM rig.  The voice Analog to Digital conversion is handled by a SoundBlaster ISA card.  Nothing powerful is needed, the bandwidth is about 8KB/s (64000kbs or 8bit word x 8khz sample compressed by a factor of 2 yielding 32kbs) and a high end PC or soundboard is not required.  However, an always connected cable (or DSL) connection with a dedicated or DHCP IP address is highly recommended.

How to Access IRLP Node 4676

• Tune to 223.600 Mhz, simplex with a 141.3 Hz PL tone.  Make certain the frequency is idle with no ongoing QSO.
• Touch-tone in the 4 digit node, channel or reflector number (click HERE for a list of nodes) you would like to contact.
• Wait until you hear the station you are connecting to identify itself.
• Pause a few seconds to make sure there is no ongoing QSO and then make your call to the node or reflector (a reflector is just like a repeater
  so use normal repeater protocol, guidelines HERE).
• Be sure to allow several seconds after keying up before speaking to allow the connection across the Internet to send audio to the distant end.  If you
  don't do this, the first word or two will be chopped off at the distant end.
• When the session is finished, wait for a silent period and then touch-tone in "73".  You will hear the station you were connected to ID. Remember, you
  must type in the "73" while the distant end is idle.
• There is a time-out timer, therefore if you are only listening the connection will automatically shut down after a few minutes. Of course, if you are
  carrying on a conversation the connection will not time-out.  Be sure to disconnect when you have completed the call.
• Before you utilize this node please make certain you understand ALL of the operating procedures by going to the IRLP site.

Thanks and Enjoy!