As I have up to now mainly been using the Ripper coil , I decided this time to test the stock Viper coil. I went to a path in a wood near a small town. As usual , such paths are infested by irons of all sizes and this one was not an exception ... The soil is moderatly mineralized there. I immediately noticed a very similar behaviour between the Viper and the Ripper, short and reactive signals on targets with an excellent iron filtering.  Just the Viper has a more important coverage t