jtec / jtec/prx

Add System Time Offset

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Dominant language
Python
Stars
23
Forks
9
Avg merge
5d 12h
Merged PRs (30d)
4

Description

Sytem Time Offset (RINEX 4) or Time System Corr (RINEX 3) are specified in RNX NAV files.

We could add this as an additional parameter, to ease the PVT computation by having to estimate only a single clock offset (usually RX time to GPST).

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the RNX NAV parsing entry point and the PVT computation path, then read how existing RINEX 3 and RINEX 4 parameters are represented. Trace the system time correction through to PVT computation and define completion as exposing the correction so only the remaining receiver-to-GPST clock offset must be estimated.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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