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The 4 repeaters that make up VA3ODG and 2 servers are located in downtown Ottawa, Canada.
| Module | Band | Mode | Function | Frequency |
| A | 23cm | Digital Voice & LS Data | Repeater Output | 1282.000MHz |
| A | 23cm | Digital Voice & LS Data | Repeater Input | 1270.000MHz |
| A | 23cm | High Speed Data | Data I/O | 1299.200MHz |
| B | 70cm | Digital Voice & LS Data | Repeater Output | 444.850MHz |
| B | 70cm | Digital Voice & LS Data | Repeater Input | 449.850MHz | C | 2m | Digital Voice & LS Data | Repeater Output | 145.530MHz |
| C | 2m | Digital Voice & LS Data | Repeater Input | 144.930MHz |
| D | internet | D-RATS | Data I/O | No RF |
| E | internet | Echo Test | Digital Voice | No RF |
There are numerous hot spots connected with the Ottawa D-STAR system. These ensure continuous D-STAR connectivity throughout Ottawa Valley. Hot spots are simplex frequency devices which extend all transmissions from VA3ODG and connect your transmissions to VA3ODG, even when you are out of range of the main repeaters. See approximate coverage on the network map below. The Hot Spots are:
| Call Sign | Operator | Frequency | Connected to | Area |
| * VE3EFF C | Jeff VE3EFF | 145.640MHz | REF016B | Madawaska/Wht Lk (NW) |
| VE3HXP | Sean VE3HXP | 145.650MHz | REF016B | Kemptville (deep S) |
| VA3RCB B | Rick VE3CVG | 445.850MHz | REF016B | Cumberland Rockland (E) |
| * VA3RCB C | Rick VE3CVG | 145.610MHz | VA3ODGC | Cumberland Rockland (E) |
There are some D-STAR repeaters in the Ottawa Valley besides VA3ODG, which share the Ottawa Valley D-STAR System. These include:
| Call Sign | Operator | Frequency | Connected To | Area |
| VA3AAR (C) | Almonte ARC | 145.550MHz (-600KHz) | REF016B | Almonte (W) |
| VA3AAR (B) | Almonte ARC | 444.100MHz (+5MHz) | TBD | Almonte (W) |
| VA3AAR (A) | Almonte ARC | 1281.000MHz (+12MHz) | TBD | Almonte (W) |
| VA3AAR (data) | Almonte ARC | 1299.300MHz | NA | Almonte (W) |
| VE3BFH (B) | Jeff VE3EFF | 443.600MHz (+5MHz) | REF016B | Stittsville (W) |
| VE3FSR | Greg VA3OMP | 445.860MHz (note 1) | FreeStar (varies) | Kanata (W) |