Lab moderna: add p4

Change-Id: I56673d05625f628fbb33acfad3b482e3158cbb42
diff --git a/quad12/labmoderna/p4b/dades/dades.txt b/quad12/labmoderna/p4b/dades/dades.txt
new file mode 100644
index 0000000..1ba0141
--- /dev/null
+++ b/quad12/labmoderna/p4b/dades/dades.txt
@@ -0,0 +1,24 @@
+CampMagnetic	IntensitatReal
+20	2.722222222
+40	6.622222222
+50	8.042222222
+55	9.112222222
+60	9.642222222
+62.5	10.31222222
+65	10.35222222
+67.5	10.08222222
+70	10.19222222
+72.5	10.40222222
+75	10.68222222
+77.5	10.74222222
+80	10.23222222
+82.5	10.09222222
+85	10.33222222
+87.5	9.812222222
+90	9.722222222
+95	9.512222222
+100	9.032222222
+105	8.552222222
+110	7.972222222
+120	6.512222222
+140	4.292222222