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Using the Satellite Function on the DMR-6X2 Series Radios
The most recent update for the DMR-6X2 series radios introduces a new feature: Satellite Prediction. You might be wondering what it is and how it works. Simply put, Satellite Prediction uses your radio’s GPS information, along with satellite orbital data (“Keps”), to predict when specific satellites will be accessible for you to receive or transmit through.
By loading an updated Keps file into your radio via the CPS (Customer Programming Software) and activating the radio’s GPS, you’ll be able to see pass predictions for the satellites. Below are the steps for both the 6X2 and the 6X2 Pro.
- Update the Satellite Data
- Open the CPS and connect it to your radio.
- Choose the correct COM port for your radio. (It’s not necessary to read from the radio first, but you can if you’d like.)
- Go to TOOL > Satellite Data Updating. A new window will open.
- Click “HTTP Download” to fetch the latest satellite data file.
- Once the download is complete, click “Write Data.”
- If you encounter a COM port error, close the window, select the correct port, then repeat the steps above.
- This process should be performed whenever using satellites because the orbital data changes frequently.
- You’ll see the data being written to the radio. After the update is done, disconnect the radio and let it reboot.
- Turn On the GPS. Once the radio has rebooted, make sure the GPS is turned on. When your radio obtains a GPS lock, you’ll be able to:
- Press the MENU button on the front panel.
- Navigate to SATELLITE and select Satellite again.
- You should now see a list of satellites available.
- Viewing Satellite Details
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- When you pick a satellite from the list, you’ll see additional screens as you use the up/down arrows on the center control. The third screen reveals the TX and RX frequencies needed for that satellite. You can either program these into a memory channel or tune them in VFO mode. Be sure you input both TX and RX frequencies correctly to communicate through the satellite.
Note: Satellite passes are brief, as each satellite is only in range for a limited amount of time while passing overhead. Plan accordingly for short contacts rather than long conversations.
Enjoy exploring the new Satellite Prediction feature on your DMR- 6X2 series radio. Regularly updating the data and ensuring GPS is active will help you stay connected to the satellites as they pass over your location. Have fun and clear skies!
Comments (2)
If you watch the TX & RCV frequencies, they are constantly changing.
Not sure how you are supposed to communicate through a device with constantly changing frequencies.
Or am I just a Newbie and this is a stupid question?
For 2m, no Doppler accommodation really required. But there is an up to +/-10kHZ deviation on the 440 side – whether TX or RX. See frequency chart at work-sat.com