diff --git a/PARAM_DEF/psp_vflyby2018_b_vso.xml b/PARAM_DEF/psp_vflyby2018_b_vso.xml
new file mode 100644
index 0000000..f260787
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2018_b_vso.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<param xml:id='psp_vflyby2018_b_vso'>
+  <get>
+     <vi name='psp:mag:vflyby2018'>
+        <baseParam name='psp_fld_l2_mag_VSO'/>
+    </vi>
+  </get>
+  <process/>
+  <output/>
+  </param>
+
diff --git a/PARAM_DEF/psp_vflyby2018_btot.xml b/PARAM_DEF/psp_vflyby2018_btot.xml
new file mode 100644
index 0000000..0e4739c
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2018_btot.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<param xml:id="psp_vflyby2018_btot">
+	<get>
+		<amdaParam name="psp_vflyby2018_b_vso" />
+	</get>
+	<process description="magnitude(psp_vflyby2018_b_vso)">magnitude($psp_vflyby2018_b_vso)</process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/psp_vflyby2019_b_vso.xml b/PARAM_DEF/psp_vflyby2019_b_vso.xml
new file mode 100644
index 0000000..75a5416
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2019_b_vso.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<param xml:id='psp_vflyby2019_b_vso'>
+  <get>
+     <vi name='psp:mag:vflyby2019'>
+        <baseParam name='psp_fld_l2_mag_VSO'/>
+    </vi>
+  </get>
+  <process/>
+  <output/>
+  </param>
+
diff --git a/PARAM_DEF/psp_vflyby2019_btot.xml b/PARAM_DEF/psp_vflyby2019_btot.xml
new file mode 100644
index 0000000..f1f2af1
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2019_btot.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<param xml:id="psp_vflyby2019_btot">
+	<get>
+		<amdaParam name="psp_vflyby2019_b_vso" />
+	</get>
+	<process description="magnitude(psp_vflyby2019_b_vso)">magnitude($psp_vflyby2019_b_vso)</process>
+	<output/>
+</param>
diff --git a/PARAM_DEF/psp_vflyby2020_b_vso.xml b/PARAM_DEF/psp_vflyby2020_b_vso.xml
new file mode 100644
index 0000000..8652ad5
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2020_b_vso.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<param xml:id='psp_vflyby2020_b_vso'>
+  <get>
+     <vi name='psp:mag:vflyby2020'>
+        <baseParam name='psp_fld_l2_mag_VSO'/>
+    </vi>
+  </get>
+  <process/>
+  <output/>
+  </param>
+
diff --git a/PARAM_DEF/psp_vflyby2020_btot.xml b/PARAM_DEF/psp_vflyby2020_btot.xml
new file mode 100644
index 0000000..cef5d21
--- /dev/null
+++ b/PARAM_DEF/psp_vflyby2020_btot.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<param xml:id="psp_vflyby2020_btot">
+	<get>
+		<amdaParam name="psp_vflyby2020_b_vso" />
+	</get>
+	<process description="magnitude(psp_vflyby2020_b_vso)">magnitude($psp_vflyby2020_b_vso)</process>
+	<output/>
+</param>
--
libgit2 0.21.2