{"action":"created","issue":{"url":"https://api.github.com/repos/betaflight/betaflight/issues/3110","repository_url":"https://api.github.com/repos/betaflight/betaflight","labels_url":"https://api.github.com/repos/betaflight/betaflight/issues/3110/labels{/name}","comments_url":"https://api.github.com/repos/betaflight/betaflight/issues/3110/comments","events_url":"https://api.github.com/repos/betaflight/betaflight/issues/3110/events","html_url":"https://github.com/betaflight/betaflight/pull/3110","id":229548483,"number":3110,"title":"Changed gps_auto_config to set mode to \"airborne <2g\"","user":{"login":"Phanny-P","id":27940760,"avatar_url":"https://avatars2.githubusercontent.com/u/27940760?v=3","gravatar_id":"","url":"https://api.github.com/users/Phanny-P","html_url":"https://github.com/Phanny-P","followers_url":"https://api.github.com/users/Phanny-P/followers","following_url":"https://api.github.com/users/Phanny-P/following{/other_user}","gists_url":"https://api.github.com/users/Phanny-P/gists{/gist_id}","starred_url":"https://api.github.com/users/Phanny-P/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Phanny-P/subscriptions","organizations_url":"https://api.github.com/users/Phanny-P/orgs","repos_url":"https://api.github.com/users/Phanny-P/repos","events_url":"https://api.github.com/users/Phanny-P/events{/privacy}","received_events_url":"https://api.github.com/users/Phanny-P/received_events","type":"User","site_admin":false},"labels":[{"id":335472651,"url":"https://api.github.com/repos/betaflight/betaflight/labels/Testing%20Required","name":"Testing Required","color":"fef2c0","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2017-05-18T03:59:18Z","updated_at":"2017-05-18T16:17:00Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/betaflight/betaflight/pulls/3110","html_url":"https://github.com/betaflight/betaflight/pull/3110","diff_url":"https://github.com/betaflight/betaflight/pull/3110.diff","patch_url":"https://github.com/betaflight/betaflight/pull/3110.patch"},"body":"I am new to this... terminology is foreign, please bear with me :/\r\nUsing a ublox M8N gps receiver on my BFF3, velocity readings were very laggy and inaccurate; readings were unusable. After researching, I compiled a hex where the gps_auto_config sets the \"dynamic platform model\" to the airborne <2g mode. Once done, I compared osd velocity readings to my car with excellent results and response time. I have flown about a dozen times since and the difference is astounding (sample video: https://youtu.be/CLArfxTj15M).\r\nFrom the ublox documentation:\r\n\"7.1 Platform settings\r\nu-blox receivers support different dynamic platform models (see table below) to adjust the navigation engine to the expected application environment. These platform settings can be changed dynamically without performing a power cycle or reset. The settings improve the receiver's interpretation of the measurements and thus provide a more accurate position output. Setting the receiver to an unsuitable platform model for the given application environment is likely to result in a loss of receiver performance and position accuracy.\"\r\nlink: https://www.u-blox.com/sites/default/files/products/documents/u-blox8-M8_ReceiverDescrProtSpec_%28UBX-13003221%29_Public.pdf"},"comment":{"url":"https://api.github.com/repos/betaflight/betaflight/issues/comments/302459655","html_url":"https://github.com/betaflight/betaflight/pull/3110#issuecomment-302459655","issue_url":"https://api.github.com/repos/betaflight/betaflight/issues/3110","id":302459655,"user":{"login":"Phanny-P","id":27940760,"avatar_url":"https://avatars2.githubusercontent.com/u/27940760?v=3","gravatar_id":"","url":"https://api.github.com/users/Phanny-P","html_url":"https://github.com/Phanny-P","followers_url":"https://api.github.com/users/Phanny-P/followers","following_url":"https://api.github.com/users/Phanny-P/following{/other_user}","gists_url":"https://api.github.com/users/Phanny-P/gists{/gist_id}","starred_url":"https://api.github.com/users/Phanny-P/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Phanny-P/subscriptions","organizations_url":"https://api.github.com/users/Phanny-P/orgs","repos_url":"https://api.github.com/users/Phanny-P/repos","events_url":"https://api.github.com/users/Phanny-P/events{/privacy}","received_events_url":"https://api.github.com/users/Phanny-P/received_events","type":"User","site_admin":false},"created_at":"2017-05-18T16:16:59Z","updated_at":"2017-05-18T16:16:59Z","body":"@sambas @ledvinap : Here's where my inexperience comes in - I have no idea how to update the checksum (the setting did go thru but maybe that was dumb luck?). Not sure to go from here - not even so sure how many people use GPS with Betaflight. It might be best to leave auto config off and configure with passthru."}}
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