TGP and Steerpoints

[RyanR]

 

It seems so obvious now, but it took me weeks to realize that since steerpoints have an altitude, the TGP points to that place in the sky. Not the ground. I chased my tail for a few weeks not understanding this. I felt so dumb.

Is there an easy way to "snap" the TGP to the ground "under" a steerpoint without modifying the steerpoint? You can go through the FCR in AG mode and either set a SPI or just slew the cursor, and that will do the trick. Just wondering if there's a more direct way to accomplish this.

I can't think of a practical reason to really do this, other than having botched setting up a practice mission.

Thanks!

-Ryan

[NineLine]

No, it will slave to the steerpoint's set altitude, so the only solution would be to create a new one or edit the altitude on the current one. 

[Hobel]

vor 12 Stunden schrieb RyanR:

Is there an easy way to "snap" the TGP to the ground "under" a steerpoint without modifying the steerpoint?

yes, you can slave to the STP in FCR-GM mode, then make the FCR-GM side SOI and slew the FCR minimally and then the bottom is marked directly under the STP.

personally, i would always enter the STP ALT to save future work, but that's how it works too
 

 

Edited April 9, 2024 by Hobel

[RyanR]

Thanks guys!

Indeed, I thought the answer here would be to just change the steerpoint.... and slewing the FCR is a fine workaround for the rare times this would need to happen.

For the most point, one will be chasing a mark point for AG work.

Cheers!

-Ryan