docs about limit of nist multiline trl er calc
@@ -2901,6 +2901,7 @@ class NISTMultilineTRL(EightTerm):
def gamma(self):
'''
Propagation constant of the solved line.
+
'''
try:
return self._gamma
@@ -2912,6 +2913,11 @@ class NISTMultilineTRL(EightTerm):
def er_eff(self):
'''
Effective permittivity of the solved line.
+
+
+ Currently, this only works for TEM media. If you are using
+ non-TEM media (ie rectangular waveguide) then you need to compute
+ er yourself from gamma.
'''
try:
return self._er_eff
