Mirror typically updated daily. Either version may be used to submit the proposal forms and justification. The WWW version provides a form-based interface to the proposal processor.
Links exist for help for each page of the form and for each parameter to be entered.
If you have several targets, RPS will work faster if you keep only one target at a time expanded. Generic help for RPS is available here . Be certain to save your form entries often. You can save the html file to your local disk and reload it. For this, use the Save button on the RPS form.