What is the UWE-4 uplink frequency?

UWE-4 listens on 437.375 MHz (9k6 FSK).

What is the UWE-4 downlink frequency?

UWE-4 transmits on 435.600*/437.375/437.385 MHz (9k6 FSK).

When does UWE-4 pass over my location?

Open UWE-4 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.

UWE-4

amateur radio satellite, NORAD 43880

Not heard today

Modes Digi Orbit LEO, 93 min

Track UWE-4 on the live map Find it in the sky

UWE-4 frequencies

Uplink	Downlink	Beacon	Mode
437.375 MHz	435.600*/437.375/437.385 MHz	—	9k6 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.

About UWE-4

UWE-4 (University of Würzburg experimental satellite) is a German nano satellite that was designed and built at the Julius Maximilians University of Würzburg and the Technical University of Dresden. This satellite use amateur radio frequency 435.600 MHz

Status

Listed as working, but nobody reported hearing UWE-4 on AMSAT in the last 30 days.

From reports filed on AMSAT, last 30 days.

Orbit

Type	Low Earth orbit
Altitude	405–409 km
Inclination	97.6°
Period	92.7 min
TLE epoch	2026-10-08 06:50 UTC

Orbital elements: CelesTrak, checked every 3 hours.

Questions about UWE-4

What is the UWE-4 uplink frequency?: UWE-4 listens on 437.375 MHz (9k6 FSK).
What is the UWE-4 downlink frequency?: UWE-4 transmits on 435.600*/437.375/437.385 MHz (9k6 FSK).
Is UWE-4 active?: Listed as working, but nobody reported hearing UWE-4 on AMSAT in the last 30 days.
When does UWE-4 pass over my location?: Open UWE-4 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.