First of all, if you can find a local GIS consultant, he might be able to very quickly put you on track, using free resources, to achieve your goals. This would be the best way to get up and running in the shortest time possible. I would estimate around two work days might be enough. It’s a little bit of money to spend, but you’d probably save a lot of time, which might be worthwhile to a farmer who has limited time in a day.
As a rough sketch of what you could do:
- Use a software like QGIS
- Use online base maps like the ones from USGS
- Connect to a public base station with your Reach RS+ to get a correction over the internet (if you have cellular data available).
If you don’t have cell data available, you could setup a directional WiFi antenna from your house (if it has line of sight with what you’re trying to locate).
If you definitely cannot get internet where you need to do the work, you’ll need a second Reach RS+ to do RTK work.
If all else fails, you can always use your RS+ as a static receiver and record for around 6 hours, then send the raw RINEX data to a correction service like the PPP. That way you can get a precise location for single points.