Where is the best place to put a Vifly strobe light on my Spark?

[Glock]

Where is the best place to put a Vifly strobe light on top my Spark? Can I put it in front of the holy stone or RID module?

 

[I B Spectre]

I'm not sure how your Vifly strobe compares with my Strobon dimensionally, but I put mine on the right-rear leg for visibility when flying away from me. I suppose ideally one on top and one on the underside might offer the best visibility from most angles. There's not a lot of ground clearance on the Spark, so underside could be an issue. Might be a good idea to keep it forward on the "fuselage" to avoid possible GPS interference.