What is the RS42S downlink frequency?

RS42S transmits on 436.570 MHz (GMSK USP 4k8).

When does RS42S pass over my location?

Open RS42S on the live map and enter your Maidenhead locator or use GPS: the tracker lists the passes of the next 24 hours with AOS, maximum elevation and LOS, and shifts the frequencies for Doppler.

RS42S

CUBESX-HSE 3 · amateur radio satellite, NORAD 57178

Not heard today

Modes Digi Orbit LEO, 94 min

Track RS42S on the live map Find it in the sky

Next passes over your station

Pass times depend on where you are. Track RS42S on the live map to see its next passes over your station.

RS42S frequencies

Uplink	Downlink	Beacon	Mode
—	436.570 MHz	—	GMSK USP 4k8

Nominal frequencies, without Doppler. The live map shifts them for your station during a pass. Frequencies: SatNOGS DB (modified: working amateur transmitters only, in MHz), CC BY-SA 4.0.

Status

Listed as working, but nobody reported hearing RS42S on AMSAT in the last 30 days.

From reports filed on AMSAT, last 30 days.

Orbit

Type	Low Earth orbit
Altitude	457–469 km
Inclination	97.5°
Period	93.9 min
TLE epoch	2026-10-28 14:51 UTC

Orbital elements: CelesTrak, checked every 3 hours.

Questions about RS42S

What is the RS42S downlink frequency?: RS42S transmits on 436.570 MHz (GMSK USP 4k8).
Is RS42S active?: Listed as working, but nobody reported hearing RS42S on AMSAT in the last 30 days.
When does RS42S pass over my location?: Open RS42S on the live map and enter your Maidenhead locator or use GPS: the tracker lists the passes of the next 24 hours with AOS, maximum elevation and LOS, and shifts the frequencies for Doppler.