QO-100

4 года назад

This video compares two LNBs for satellite reception: a standard octagon PLL LNB and a new "bullseye" LNB designed for high stability. The video shows how the octagon LNB drifts significantly in frequency over time, while the bullseye LNB remains much more stable. The video also highlights the bullseye LNB's additional features, including a 25 MHz reference signal output.

5 лет назад

This video demonstrates a modified 2.4 GHz amplifier for use with the QO-100 satellite. The amplifier uses two BLF7022 devices in a Doherty configuration and is shown being tested with a PlutoSDR and a CN0044 amplifier. The video shows the power output and consumption of the amplifier, but does not reveal the final results of the modification.

1 год назад

This video demonstrates how to build a narrowband uplink transmitter for the QO-100 satellite using a DX Patrol upconverter. The video covers the components, setup, and testing of the system, including a successful SSB contact to Brazil. The video also discusses the use of an external clock source and the importance of proper power levels for successful transmission.

3 года назад

This video demonstrates how to assemble and use a DX Patrol ground station for satellite communication. The video shows how to connect the equipment, including a small dish antenna, and how to use the ground station's features, such as the GPS receiver and power meter. The video also shows how to align the antenna and acquire satellite signals.