SYSTEM INFORMATION
MIAMI VALLEY P25 NETWORK

System Repeater Status
www.miamivalleyp25.group

These are only basic requirements for the system. Visit the website for more detailed info.

Every radio on the network is required to have a radio ID which was assigned by the website radioid.net. The ID here is often referred to as a DMR radio ID. This website will generate a globally unique ID for free and assign it to your ham radio call sign. The ID is used between users to help know who is talking and by the system monitoring software which helps ensure the system is functioning properly.

Users must register their radio id on our website at www.miamivalleyp25.group.

$ = HEX

Site Name         Site ID  Subscriber RX    Subscriber TX    Link TG  Link NAC  Site TG  Site NAC
================= ======== ================ ================ ======== ========= ======== =========
Xenia             291      444.0125         449.0125         9371     $4CE      9001     $291
Huber             551      443.7750         448.7750         9371     $4CE      9001     $551
Piqua             552      444.7250         449.7250         9371     $4CE      9001     $552
Dayton            571      443.4625         448.4625         9371     $4CE      9001     $571
Port Jefferson    751      442.4750         447.4750         9371     $4CE      9001     $751
Plum Creek        752      443.9000         448.9000         9371     $4CE      9001     $752
Lebanon           831      443.1500         448.1500         9371     $4CE      9001     $831

USE SELECTIVE SQUELCH
=====================
The system is designed to use talkgroups to organize traffic into channels. You are required to use selective squelch and the appropriate talkgroup. Failure to use a talkgroup will result in your transmissions causing interference on the system as it will not be heard by other properly programmed radios. Without your talk group set to selective squelch you will hear all transmissions on the network even if they are not intended for the talkgroup you choose. This will result in confusion and leads to harmful interference on the system's single talk path.

SET TX INHIBIT ON LINK TG
=========================
Why do we set the radios to inhibit transmit on busy on MV Link (system primary) but not on Site (single site repeat)? The MV Link talkgroup propagates through the network to all repeater sites. This allows us to talk from any repeater to any repeater. When on this talkgroup your radio filters any other activity on the repeater. The Site (single site repeat) talk group is isolated to a single site. The site talkgroup is designed to override the MV Link talkgroup. This is to allow for local site priority. Example of where this is used: Joe is on the Huber site and Jim is on the Dayton site. They are talking to each other on MV Link. During this conversation Frank and Jeff are wishing to have a conversation on the Lebanon repeater using the single site talkgroup. Frank and Jeff can have this conversation concurrent with the conversation between Joe and Jim without either causing an interruption to the other.

VOTING ON V3
============
With version 3 the repeaters have been programmed to do several things which take a little more time. With version 3 each repeater is scanning and listening to all 8 input channels of the system. This means there is a short delay in locking in on your transmission. This also means more than one repeater may hear your transmission. When this happens the audio from the additional repeater sources is analyzed, this takes a little more time. The system sends the best audio out to each repeater. This process is called voting, and the best voted audio could change many times each second.