SkyCube
Technical specifications

SkyCube

Section Title: Technical specifications
Table Section Text: None

Dimensions	100 × 100 × 113 mm CubeSat standard

Interface specification	ISIPOD 1.4I

Mass	1.3 kilograms (2.9 lb)

Expected lifetime	60 – 90 days

Attitude control system	Passive magnotorquers

Power	9 total panels: one roof panel and 8 deployable panels. Each panel consists of 24 Spectrolab triangular cells wired in series-parallel for a nominal 12 volts.

Batteries	2x Li-ion 18650 cells, 8.4V 2300 mAh, Molicell ICR18650J.

Power bus	3.3V, 5V regulated. Constant-current driver for solar panel deployment (Nichrome burn wires).

Primary downlink	915 MHz, AX.25 protocol, BPSK modulation, 57.6 kbit/s

Telemetry/messaging downlink	915 MHz, AX.25 protocol, BPSK modulation, 9.6 kbit/s

Command uplink	450 MHz, AX.25 protocol, FSK modulation, 9.6 kbit/s

Sentence(s)

SkyCube was transmitted at 915 MHz, using the AX.25 protocol with BPSK modulation.

final_sentence: SkyCube was transmitted at 915 MHz, using the AX.25 protocol with BPSK modulation.