Double X your Target
One of the most commonly asked questions is, “How do I know I’m looking at
a real target?”
We call this procedure “Double X-ing”. This routine is extremely important,
especially with Electromagnetic devices that can see deeper than most detectors.
Figure 4.11 is a typical visual example of a found cache. The more times that you
cross over a target at different angles and times of day will help in validating a good
target (Figure 4.12). Temperature, radio frequency transmitters, solar energy,
ground mineralization, clay, salt water, etc. can interfere and cause erroneous
conclusions. Figure
Before you mark your location for excavation be sure to go over every target at
least 4 times but it is recommend 6 or more times to be sure that you end up with
the same or similar image over the location. The finer the scan, the horizontal and
vertical position of the antenna, automatic or manual modes are all contributing
factors as to what image will appear on your screen. For finer scans, we recommend
to lay out a grid (string or chalk lines) and scanning the suspect location several
times in manual mode. If the target moves from one area to another, it may not be a
real target. When targets move, it typically is mineralization. Mineralization often
fools the software. Using the “Double-Xing” technique you can rule out what is and
what is not real. Targets may vary; attempt to isolate the cache to its closest points
prior to considering excavation. Remember to fill in all holes after recovery.
Tip:
In Northern Hemisphere South East to North West Scans Display Best.
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