| Node Number | 5370 |
| Node Callsign | W9DUP |
| Node City | Downers Grove EchoIRLP #510580 |
| Node Province/State | IL |
| Node Country | USA |
| Node Owner/Sponsor | Randy Zabel N9NWA Ask a Question |
| Node Latitude | 41.830186 North |
| Node Longitude | 88.023842 West |
| Node Base Frequency (MHz) | 145.4300 |
| Node Offset Frequency (KHz) | -600.0000 |
| Node CTCSS (Hz)/DCS | 107.2 |
| AVRS Status | U |
| Node Website URL | http://www.w9dup.org |
| Local node date/time | 02:50:24 on Jul 12 2025 CDT |
| Current Node Status: | OFFLINE for 23 days, 9 hours, 53 minutes, 16 seconds. |
| Last heard from Node: | 19:01:46 on Jul 11 2025 CDT |
| Callsign | Frequency (MHz) | Offset (KHz) | PL Tone(Hz) | Location |
| W9DUP | 224.6800 | 0.0000 | 110.90 | Downers Grove |