I detect full time, so I am wondering ( and hoping) if there was anyone making larger coils for the BH? I try to cover as much ground as possible, I would love to see someone put out some larger coils for BH! A 16" to 18" coil would be perfect!! The more ground I cover the more money I earn, and the deeper I can detect the better. I know the 8" and 10" go reasonably deep on large targets(soft drink tins etc). I'd just love another few inches on the coin and ring sized targets. Would the power source be sufficent to power a coil that size? Any ideas or info anyone? HH God bless, Nugget.