First, we need the web form that shows your current location and updates the server when you submit the form with comments about your location. You can find the form at http://geospatialpython.github.io/Learn/fieldwork.html.
The following screenshot shows you the form:
You can view the source of this form to see how it works. The mapping is done using the Leaflet library and posts GeoJSON to a unique URL on myjson.com. You can use this page on mobile devices, you can move it to any web server, or even use it on your local hard drive...