Satellite passes#

Note

Updated 2023-06-03T12:43:31.749954.

Here are some details for the satellites we’re likely to work during Field Day. The information is taken primarily from Clint K6LCS’s website, with thanks. The frequencies in the tables below contain uplinks and downlinks, with Doppler shift taken into account for aquisition of signal (AOS) and loss of signal (LOS) times.

Passes#

Satellite

AOS Time

AOS Az

MOS Time

MOS Az

MOS El

LOS Time

LOS Az

Satellite information#

ISS cross-band repeater#

RX

TX

TX Tone

AOS

145.990

437.810

67.0

Overhead

145.990

437.800

67.0

LOS

145.990

437.790

67.0

SO-50#

SO-50’s ten-minute timer can be restarted by transmitting a two-second carrier with a tone of 74.4 Hz.

RX

TX

TX Tone

Arm timer

145.850

74.4

AOS

436.805

145.850

67.0

Overhead

436.795

145.850

67.0

LOS

436.785

145.850

67.0

AO-91#

AO-91 is only active when in sunlight, so night passes are not possible.

RX

TX

TX Tone

AOS

145.960

435.240

67.0

Overhead

145.960

435.250

67.0

LOS

145.960

435.260

67.0

PO-101#

PO-101 is on a schedule.

RX

TX

TX Tone

AOS

145.900

437.490

141.3

Overhead

145.900

437.500

141.3

LOS

145.900

437.510

141.3

AO-27#

AO-27 is active for about four minutes at a time.

RX

TX

TX Tone

AOS

145.850

436.785

67.0

Overhead

145.850

436.795

67.0

LOS

145.850

436.805

67.0