What is the ITUPSAT1 downlink frequency?

ITUPSAT1 transmits on 437.325 MHz (GFSK 19k2) and 437.3225 MHz (GFSK 19k2).

When does ITUPSAT1 pass over my location?

Open ITUPSAT1 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.

ITUPSAT1

amateur radio satellite, NORAD 35935

Not heard today

Modes Digi Orbit LEO, 99 min

Track ITUPSAT1 on the live map Find it in the sky

Next passes over your station

Pass times depend on where you are. Track ITUPSAT1 on the live map to see its next passes over your station.

ITUPSAT1 frequencies

Uplink	Downlink	Beacon	Mode
—	—	437.325 MHz	CW
—	437.325 MHz	—	GFSK 19k2
—	437.3225 MHz	—	GFSK 19k2

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 ITUPSAT1 on AMSAT in the last 30 days.

From reports filed on AMSAT, last 30 days.

Orbit

Type	Low Earth orbit
Altitude	686–696 km
Inclination	98.4°
Period	98.6 min
TLE epoch	2026-10-27 17:36 UTC

Orbital elements: CelesTrak, checked every 3 hours.

Questions about ITUPSAT1

What is the ITUPSAT1 downlink frequency?: ITUPSAT1 transmits on 437.325 MHz (GFSK 19k2) and 437.3225 MHz (GFSK 19k2).
What is the ITUPSAT1 beacon frequency?: The beacon is on 437.325 MHz.
Is ITUPSAT1 active?: Listed as working, but nobody reported hearing ITUPSAT1 on AMSAT in the last 30 days.
When does ITUPSAT1 pass over my location?: Open ITUPSAT1 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.