Fixed a couple bugs with the 15/45km range gate stuff
Fixed a couple bugs with the 15/45km range gate stuff

SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay,SuperDARNCanada/realtimedisplay