Ham Radio Satellite Tracking Software for the Mac

MacDoppler for Cocoa was re-written from the ground up to take full advantage of all the great Cocoa capabilities in OS X on PPC as well as Intel hardware. MacDoppler will provide any level of station automation you need from assisted Doppler Tuning and Antenna Pointing right on up to fully automated Satellite Gateway operation.MacDoppler for Cocoa carries on the rich tradition pioneered by MacDopplerPRO which is in use around the world by Amateur Radio operators, satellite spotters, educators and commercial customers from CBS News to the International Space Station Amateur Radio Hardware Management program, Delta Telemetry Tracking and Control at Boeing Integrated Defense Systems, Florida State University, and the CalPoly CubeSat Project.

Learn more about Amateur Radio Satellites at AMSAT

Radios Supported:

YAESU FT-736R, FT-847
YAESU FT-817, FT-857, FT-897
ICOM IC-970, IC-820, IC-821H, IC-910, IC-7000
ICOM IC-R8500, and IC-PCR1000 Receivers
Kenwood TS-790A, TS-2000
Kenwood TS-50
AOR AR-3000A Receiver

A full duplex satellite radio like the TS-2000, FT-847 or IC-910 is recommended to take advantage of MacDoppler’s capabilities.

Rotor Controllers Supported:

Yaesu G-5400B / G-5500 / GS-232, GS-232A, GS-232B
KLM/Mirage, SARtek, hy-gain DCU-1 Pathfinder
Endeavour AutoTracker
EasyCom I & EasyCom II
AlphaSpid RAS
Creative Design RAC825
G6LVB Tracker (GS-232 RS-232 & USB)
M2 2800


Mac OS X 10.5 or later.


Universal Binary runs under OS X Intel or PPC.
Automated internet download of keplerian elements.
Track List sorted in real-time order of next pass.
Full predictive dead spot crossing so that a pass is never interrupted by the beam heading passing a dead spot.
Speech advisory of next satellite AOS and Maximum Elevation.
Horizon Window shows upcoming passes on a time line.
Built in support for Satellite Gateway using Ontrak ADR101.
Tuning Dial Tracking allows you to tune the downlink from your radio’s front panel while MacDoppler automatically adjusts the uplink.
QSO Logging integrated with MacLoggerDX and ARRL LOTW.
QRZ Internet Call Sign Lookup.


MacDoppler for Cocoa – Single User License $98.00 USD

VE3VRW MacDoppler Satellite Gateway

MacDoppler Gateway real time snapshot (updated once a minute)
(Rotators down for maintenance – Announcements are on, downlink is off)



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