Yes, you COULD
become pedantic. But so could I, since I recall from many years ago, NSW stations on the VR system were not able to be part of the Victorian Country Cryptic.
Furthermore, although I'm aware that Sangar is given as the spelling in some sources (such as Melway), My VR map, postcode lists, and many online references do show Sanger. One reference goes each way and gives Sangar Rd, Sanger. Most references I've found to sandwich slang also side with the 'e' over the 'a'. Makes it difficult to know which way to go with one's pedanticism. Because I was looking for a VR station name, I went with the VR spelling. So best we agree that one way or the other, I got the correct answer.
Let's now attempt to quickly ambulate in wet, spongy ground