The attached PDF describes the procedure to create a compact flashcard that can be used with a NetRS in the event that the OEM flashcard has failed.
You need to download the image file too (1GB).
A copy can be found here.
Article ID: 813
Created On: Tue, Mar 31, 2015 at 3:42 PM
Last Updated On: Fri, Jan 5, 2018 at 3:12 PM
Authored by: Jim Normandeau [email@example.com]
Online URL: https://kb.unavco.org/kb/article/imaging-a-trimble-netrs-receiver-compact-flashcard-813.html