I posted in October about having Ground Balance problems with the 12"X13'' Nel Tornado coil on the F75. After several factory resets,the problem of not ground balancing properly seemed resolved only to return again on my next hunt. The Nel coils come with a 2 year warranty and have a service representative in Massachusetts. After contacting them about the problem I sent them the coil and promptly received a new one 9 days later. The replacement coil works great and after several hunts with it I have not had any problems. Hats off to the Dealer representatives for their great service. The coil is very stable and the small amount of extra weight is only somewhat noticeable. I had a chance to use it yesterday at a 1903 school house that is now a Grange Hall. I have hunted this site 5 times now and the last time I hunted there I used the "scrubbing" method with the stock 11" coil and recovered several older coins at 8-9 inches. Yesterday after 5 hours using the Nel Tornado I was able to recover several more coins that were in the 9" range. As usual these deeper coins gave "quiet" lower than normal readings in the mid 50's to the low 60's while hunting in All Metal Mode. Having hunted this small site several times before and with the very "quiet" deep signals,I'm thinking the larger Nel coil made the difference. The 1874 Indian has only a small amount of wear and in the past,two Indians that I dug from this site were from the 1860's, so there must have been something that predated the 1903 schoolhouse. The flat coin is an Indian Head with the reverse shield partly visible, and was found at the same depth as the other Indian Head...... Thanks for looking
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