Emlid tribrach

[EBE111057 (Bryan Enfinger)]

Tiger Supplies Surveying Equipment — Tiger Supplies

has some resonably priced tribrachs and adapters. Not as good as Wild Heerburg quality, but good for typical surveying. There is no mount for the M2 helical antenna, but see post here

Post-processing Reach M2 files with OPUS

New here on the community, long time land surveyor for 40+ years; been using GPS since late 80’s. Just bought me a M2 and plan on using as a cheap base receiver to shorten observation lines with other well-known receiver brands. I’ve found out in my use of GPS/GNSS receivers, that it pays to have short baselines. Also OPUS is awful picky in their observation data that’s submitted. In the case of “fewer than 3 usable reference stations remain. Aborting” messgae, it’s usually bad data at the…