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Finding the Radio ID for GXM 30, GXM 40, or GXM 42 Antenna

The radio ID is an 8-digit alphanumeric code used to subscribe to both weather and audio products and can be found in two places:

  • On the bottom of the GXM™ weather antenna.
  • Through the connected GPSMAP® handheld navigator or aera® aviation portable.

To Locate the Radio ID on the Corresponding Portable:


aera 510, aera 560, or aera 796 aviation portables

  1. Select Weather from the Main Menu.
  2. Select the Menu icon.
  3. Select Information.


GPSMAP 396 or GPSMAP 496

  1. Scroll to the XM icon from the Main Menu.
  2. Highlight the Information tab at the top of the page.


GPSMAP 696

  1. Scroll to the XM page in the bottom right corner of the screen.
  2. Select the INFO softkey.

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