signal lost

Hi, For the past couple weeks It seems that I am always losing my video signal during flights. at firs i thought it was a range issue because it usually happened when i was more then 1500 feet out. but the past 2-3 flights i have lost the video signal when it was almost directly overhead...

Hello everyone, greetings from Argentina. I have updated the spark and the remote control to the latest version. By connecting the remote control to the spark and the cell phone via Wi-Fi to the remote control, I have raised the spark to 120 meters above my head and at that height the image in...