ToddB64
Sr. Member
- Jan 7, 2007
- 418
- 73
- Detector(s) used
-
Teknetics Gamma 6000,
Tesoro Bandido II µMax and
Compadre, White's Classic II,
Garrett Ace 250
- Primary Interest:
- Metal Detecting
} Hello Compadre Fans !
I've been reading many of Digger27's posts and have picked up some good ideas for improving the way I operate my Compadre, especially his method of deciding what kind of target is most likely under the coil, by thumbing the Disc. Knob up-scale (clockwise) until the signal is lost and then back down (counter-clockwise) until the signal just starts to come in again and listening carefully to analyze the signal characteristics.
So I decided to do some backyard testing with a few target samples and record the results on the following document for field reference. I plan to try this out at a couple of local village parks this coming week and will report the outcome on this thread afterward.
ToddB64
COMPADRE METAL DETECTOR (5.75" COIL)....DISC. KNOB INDICATOR AT TARGET SIGNAL RESPONSE POINT(S)
TESTS PERFORMED BY: TODD E. BROCK ON 9-24-2016
TEST CONDITIONS AND TARGET ANALYSIS PROCEDURE :
* TARGETS LAID ON GRASS, SPACED 14" APART AND PUSHED DOWN FLAT.
* GAMMA 6000 DETECTOR USED TO DETERMINE GROUND MINERALIZATION
USING GROUND GRAB SETTING AND OPERATING MANUAL INSTRUCTIONS.
GROUND GRAB VALUE WAS 66 . OTHER SETTINGS : SENSITIVITY 80, VOLUME 10.
* USED DIGGER 27 METHOD TO FIND FULL SIGNAL RESPONSE POINT & DETERMINE LIKELY TARGET (SEE STEPS 1. THROUGH 4. BELOW).
1. COMPADRE COIL MOVING SLOWLY LEFT TO RIGHT 4"- 5" ABOVE EACH TARGET.
2. DISC. KNOB INDICATOR DIALED CLOCKWISE UNTIL NO TARGET RESPONSE HEARD.
3. DISC. KNOB INDICATOR DIALED COUNTER-CLOCKWISE UNTIL TARGET RESPONSE HEARD.
4. TARGET ANALYSIS : COMPARE POSITION OF DISC. KNOB INDICATOR AT FULL SIGNAL RESPONSE WITH TEST RESULTS BELOW.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
TARGET SIGNAL RESPONSE TYPE AND RESPONSE POINT ON COMPADRE FACE PLATE :
BUFFALO OR INDIAN HEAD 1937 USA NICKEL > FULL SIGNAL RESPONSE ½ WAY BETWEEN “L” IN FOIL & 5c.
JEFFERSON 1971D USA NICKEL > FULL SIGNAL RESPONSE ¾ WAY BETWEEN “L” IN FOIL & 5c, NO SIGNAL AT 5c.
JEFERSON 2002P USA NICKEL > FULL SIGNAL RESPONSE AT 5c, CLICKS & POPS AT “P” IN PULL TAB.
NEW STYLE “STAY” TAB > FULL SIGNAL RESPONSE BETWEEN 5 & c, NO CLICKS & POPS BETWEEN 5c & PULL TAB.
OLD STYLE “BEAVERTAIL” PULL TAB > FULL SIGNAL AT PULL TAB, CLICKS & POPS BETWEEN PULL TAB & 1c ZN.
LINCOLN MEMORIAL 2001D USA CLAD CENT (ZINCOLN) > FULL SIGNAL RESPONSE AT 1c, CLICKS & POPS AT ZN.
LINCOLN MEMORIAL 1974 USA CENT 95% COPPER > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
ROOSEVELT 2011P USA DIME COPPER-NICKEL CLAD > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
WASHINGTON 1993P USA QUARTER COPPER-NICKEL CLAD > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
I've been reading many of Digger27's posts and have picked up some good ideas for improving the way I operate my Compadre, especially his method of deciding what kind of target is most likely under the coil, by thumbing the Disc. Knob up-scale (clockwise) until the signal is lost and then back down (counter-clockwise) until the signal just starts to come in again and listening carefully to analyze the signal characteristics.
So I decided to do some backyard testing with a few target samples and record the results on the following document for field reference. I plan to try this out at a couple of local village parks this coming week and will report the outcome on this thread afterward.
ToddB64
COMPADRE METAL DETECTOR (5.75" COIL)....DISC. KNOB INDICATOR AT TARGET SIGNAL RESPONSE POINT(S)
TESTS PERFORMED BY: TODD E. BROCK ON 9-24-2016
TEST CONDITIONS AND TARGET ANALYSIS PROCEDURE :
* TARGETS LAID ON GRASS, SPACED 14" APART AND PUSHED DOWN FLAT.
* GAMMA 6000 DETECTOR USED TO DETERMINE GROUND MINERALIZATION
USING GROUND GRAB SETTING AND OPERATING MANUAL INSTRUCTIONS.
GROUND GRAB VALUE WAS 66 . OTHER SETTINGS : SENSITIVITY 80, VOLUME 10.
* USED DIGGER 27 METHOD TO FIND FULL SIGNAL RESPONSE POINT & DETERMINE LIKELY TARGET (SEE STEPS 1. THROUGH 4. BELOW).
1. COMPADRE COIL MOVING SLOWLY LEFT TO RIGHT 4"- 5" ABOVE EACH TARGET.
2. DISC. KNOB INDICATOR DIALED CLOCKWISE UNTIL NO TARGET RESPONSE HEARD.
3. DISC. KNOB INDICATOR DIALED COUNTER-CLOCKWISE UNTIL TARGET RESPONSE HEARD.
4. TARGET ANALYSIS : COMPARE POSITION OF DISC. KNOB INDICATOR AT FULL SIGNAL RESPONSE WITH TEST RESULTS BELOW.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
TARGET SIGNAL RESPONSE TYPE AND RESPONSE POINT ON COMPADRE FACE PLATE :
BUFFALO OR INDIAN HEAD 1937 USA NICKEL > FULL SIGNAL RESPONSE ½ WAY BETWEEN “L” IN FOIL & 5c.
JEFFERSON 1971D USA NICKEL > FULL SIGNAL RESPONSE ¾ WAY BETWEEN “L” IN FOIL & 5c, NO SIGNAL AT 5c.
JEFERSON 2002P USA NICKEL > FULL SIGNAL RESPONSE AT 5c, CLICKS & POPS AT “P” IN PULL TAB.
NEW STYLE “STAY” TAB > FULL SIGNAL RESPONSE BETWEEN 5 & c, NO CLICKS & POPS BETWEEN 5c & PULL TAB.
OLD STYLE “BEAVERTAIL” PULL TAB > FULL SIGNAL AT PULL TAB, CLICKS & POPS BETWEEN PULL TAB & 1c ZN.
LINCOLN MEMORIAL 2001D USA CLAD CENT (ZINCOLN) > FULL SIGNAL RESPONSE AT 1c, CLICKS & POPS AT ZN.
LINCOLN MEMORIAL 1974 USA CENT 95% COPPER > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
ROOSEVELT 2011P USA DIME COPPER-NICKEL CLAD > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
WASHINGTON 1993P USA QUARTER COPPER-NICKEL CLAD > FULL SIGNAL RESPONSE ALL THE WAY TO MAX.
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