Recent content by Radman

Bad Elf makes a GPS receiver that plugs into the lightning connector on your iPad and doesn’t use Bluetooth. I used one for years until I lost it, so I bought a new iPad with built-in GPS. I suspect the Bad Elf GPS may be a more sensitive receiver with better signal to noise ratios than the...

Beware of your bilge pumps! My 25 ft boat has two bilge pumps with powerful magnets. The compass in the quadcopters goes crazy within about 6 feet of the bilge pump located below the deck. I have to move the copter to the top of the transom to be able to take off! I use a rubber mat to keep...

I tried a couple of the Bluetooth tracking devices and found the range to be very limited. I couldn’t even locate the device located behind my house. (To be fair, l should note that my house has aluminum foil backed insulation which is a good RF shield.) I looked at the Trackimo and similar...

I get that screen when I forget to connect my tablet to the Spark RC in the settings menu on my tablet (settings>Wi-Fi>spark-RC-66bd; then close settings and open DJI Go 4 app).

I also have a similar problem using a 7.85” Crystal Sky tablet running on dji Go4 app 4.1.14. The dji Crystal Sky tablet runs on Android, but a different version than used on cellphones or tablets. I live in an Authorization Zone, so I use an iPad Air 2 to connect directly to the dji website...