Looking for information (input) from GPZ 7000 users that have & used the GPZ 19 Super-D Coil? User is located in the Western Part of USA and considering purchasing this Coil. Any an all of your experiences, suggestions, input would very much be appreciated. How would you compare it to the factory stock coil you received when detecting in the field. You may PM if you prefer. Hope this helps! Thank you for sharing will be looking forward to hearing from you. CO