# USB mavlink tethering

**URL:** <https://discuss.cubepilot.org/t/usb-mavlink-tethering/2804>\
**Category:** HereLink\
**Created:** [8 February 2020 16:17 UTC](https://discuss.cubepilot.org/t/usb-mavlink-tethering/2804 "2020-02-08T16:17:06Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![Michael\_Oborne](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/michael_oborne/32/13_2.png) [@Michael\_Oborne](https://discuss.cubepilot.org/u/Michael_Oborne)\
**Post date:** [18 January 2021 07:30 UTC](https://discuss.cubepilot.org/t/usb-mavlink-tethering/2804/21 "2021-01-18T07:30:58Z")

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windows firewall?

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**Author:** ![patrickpoirier](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/patrickpoirier/32/3528_2.png) [@patrickpoirier](https://discuss.cubepilot.org/u/patrickpoirier)\
**Post date:** [18 January 2021 11:10 UTC](https://discuss.cubepilot.org/t/usb-mavlink-tethering/2804/22 "2021-01-18T11:10:27Z")

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Windows FW disabled for Private network ( that is the case) and MP autorised for both Public and Private. There are 2 difference between PC , the Remote NDIS driver : 10.0.18362.1 on the problematic PC (10.0.16 on the good one) and Windows French (et Oui) on the problematic PC.

I will try with another PC this week ,but the UNKNOWNED Header on the Mavlink ID message should be investigated == SysID 1[0]:UNKNOWN(27)

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**Author:** ![Michael\_Oborne](https://discuss.cubepilot.org/user_avatar/discuss.cubepilot.org/michael_oborne/32/13_2.png) [@Michael\_Oborne](https://discuss.cubepilot.org/u/Michael_Oborne)\
**Post date:** [27 January 2021 22:17 UTC](https://discuss.cubepilot.org/t/usb-mavlink-tethering/2804/23 "2021-01-27T22:17:39Z")

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Is that sysid 1 compid 0? If it is it’s the ping chip for adsb

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