RS81S
HORS 3 · amateur radio satellite, NORAD 61753
No recent reports
Modes Digi
Orbit LEO, 92 min
RS81S frequencies
| Uplink | Downlink | Beacon | Mode |
|---|---|---|---|
| — | 435.650 MHz | — | 38k4 FSK |
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
No recent reports: nobody reported hearing RS81S on AMSAT in the last 30 days.
From reports filed on AMSAT, last 30 days.
Orbit
| Type | Low Earth orbit |
|---|---|
| Altitude | 375–380 km |
| Inclination | 97.3° |
| Period | 92.1 min |
| TLE epoch | 2026-10-08 05:55 UTC |
Orbital elements: CelesTrak, checked every 3 hours.
Questions about RS81S
- What is the RS81S downlink frequency?
- RS81S transmits on 435.650 MHz (38k4 FSK).
- Is RS81S active?
- No recent reports: nobody reported hearing RS81S on AMSAT in the last 30 days.
- When does RS81S pass over my location?
- Open RS81S 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.