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OSCAR 7 (AO-7) (NORAD 7530)

OSCAR 7 (AO-7) is an amateur radio satellite (NORAD 7530) in a LEO orbit 1440 by 1458 km above the Earth, circling the planet every 114.9 minutes. Right now it is over latitude 77.8°, longitude -142.8° at an altitude of 1469 km.

Live position and ground track (past 45 min, next 100 min)

Where is OSCAR 7 (AO-7) now?

Latitude: 77.751°
Longitude: -142.813°
Altitude: 1469.1 km
Speed: 7.132 km/s
Footprint radius: 3966 km

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Frequencies and modes

Link	Uplink	Downlink	Mode
Mode U TLM Beacon	—	435.1 MHz	CW
Mode U/V (B) TLM Beacon	—	145.9775 MHz	CW
Mode V/A (A) Lin SSB	145.85 MHz – 145.95 MHz	29.4 MHz – 29.5 MHz	USB
Mode V/A (A) Lin CW	145.85 MHz – 145.95 MHz	29.4 MHz – 29.5 MHz	CW
Mode U/V (B) Lin	432.125 MHz – 432.175 MHz	145.925 MHz – 145.975 MHz	USB (inverting)
Mode V/A (A) TLM Beacon	—	29.502 MHz	CW
13 cm Beacon (40mW)	—	2304.1 MHz	CW

Frequencies are the nominal values from the SatNOGS database and can change. While the satellite is above your horizon the table shows the Doppler-corrected frequencies. For how to use them, read working amateur radio satellites.

Orbit and identity

7530NORAD catalog number

1974-089BInternational designator

Amateur radioCategory

LEOOrbit class

114.86 minOrbital period

1440 × 1458 kmPerigee × apogee altitude

101.99°Inclination

0.001203Eccentricity

12.537Revolutions per day

1974Launch year

In orbitStatus (SatNOGS)

NoneOperator

Orbital elements epoch: 2026-10-30T07:44:09 UTC (14 hours ago). Positions drift from reality as the elements age; fresh elements are fetched automatically.

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Positions are computed from public orbital elements (CelesTrak / US Space Force 18th SDS) with the SGP4 model and are accurate to a few kilometres; amateur radio data from the SatNOGS DB (CC BY-SA). Not for navigation or safety-critical use. Method and limits · Radio coverage map · Live HF propagation data