DSN Now – Restore Range and Round Trip Light Time

by brett_hewitt · bretthewitt.net · Education

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Fills in the ROUND-TRIP LIGHT TIME and from RANGE (or looking distance up via JPL Horizons if RANGE is blank).

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#283K

#234K among extensions

Version

1.2

updated 16 Sep 2026

Users

monthly, 2 months

Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About DSN Now – Restore Range and Round Trip Light Time

Fills in the ROUND-TRIP LIGHT TIME field on NASA's Deep Space Network Now (https://eyes.nasa.gov/apps/dsn-now/dsn.html), computing it from RANGE (or looking distance up via JPL Horizons if RANGE is blank).