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Giovanni,<br>
 I believe that the error is in the proforma; the algorithm that Type30
uses assumes that the field slope is either zero or positive.<br>
Kind regards,<br>
 David<br>
<br>
<br>
giovanni nurzia wrote:
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  </style>Dear All,<br>
I get "field slope out of range" in type 30 if I put a negative value
(which is teoretically allowed in the proforma).<br>
  <br>
 The following statement in the code could be the reason:<br>
IF(SLFLD.GE.0.0 .AND. SLFLD.LE.SLCL .AND. SLFLD.LT.1.50) GO TO 77<br>
               CALL TYPECK(4,INFO,NI,NP,0)<br>
          CALL MESSAGES(-1,'Field Slope is out of
range','fatal',INFO(1),INFO(2))<br>
  <br>
Any suggestion?<br>
kind regards,<br>
 <br>
Giovanni Nurzia<br>
  <br>
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