Recording of DELFI-PQ/EASAT-2/HADES PocketQubes and other amateur satellites in the SpaceX Transporter 3 launch with the Allen Telescope Array on 2022-01-15 (antenna 1f)

This dataset contains a recording of the 435 MHz telemetry signals of the DELFI-PQ, EASAT-2, HADES PocketQubes and other amateur satellites in the SpaceX Transporter 3 launch. The recording was done on 2022-01-15, two days after launch. Antennas 1a and 1f from the Allen Telescope Array were used in dual XY (linear) polarization. The hardware configuration was as follows: the two antennas were connected to RFCB LO d, which was tuned to a frequency of 436.5 MHz and used an output IF of 512 MHz. A USRP N321 and a USRP N320 were connected to the IF output of the RFCB. The USRP N321 and digitized both polarizations of antenna 1a, and the USRP N320 digitized both polarizations of antenna 1f. Both USRPs used external 10 MHz reference and PPS coming from the observatory distribution system, and LO sharing was set up among all the channels. The IQ sample rate of the USRP was 3.84 Msps and a GNU Radio flowgraph was used to record IQ data to disk. The GNU Radio flowgraph stored the IQ data for each channel as 16-bin integers in the GNU Radio metatata file format, with detached headers. After recording, the data was converted to SigMF format. This dataset contains the data for antenna 1f. The data for antenna 1a is in the dataset Recording of DELFI-PQ/EASAT-2/HADES PocketQubes and other amateur satellites in the SpaceX Transporter 3 launch with the Allen Telescope Array on 2022-01-15 (antenna 1a). The sigmf-collection file grouping all the recordings is provided in both datasets for convenience. Due to the lack of reliable TLEs, during the first part of the recording, the following TLE was tracked: 1 99489U 22013.68438100 .00000000 00000-0 57534-2 0 06<br> 2 99489 97.5121 83.3548 0000001 54.9139 307.6602 15.14117915 08 This TLE was fitted to previous Doppler observations of DELFI-PQ done by amateurs. After this object set, the following TLE was tracked: 1 70302C 22002B 22013.68430822 .00096806 00000-0 57494-2 0 02<br> 2 70302 97.5121 83.3548 0012811 276.7340 85.5055 15.11291562 14 This comes from the post-deployment TLEs in Celestrak for DELFI-PQ/EASAT-2/HADES.本数据集收录了SpaceX Transporter 3发射任务中，DELFI-PQ、EASAT-2、HADES PocketQubes（口袋卫星）及其他业余卫星的435 MHz遥测信号录音，录制时间为2022年1月15日，即发射两天后。本次录制采用艾伦望远镜阵列（Allen Telescope Array）的1a号与1f号天线，使用双XY（线性）极化模式。 硬件配置如下：两路天线分别接入射频信道板（Radio Frequency Channel Board, RFCB）的本振d通道，该通道调谐至436.5 MHz，输出中频（Intermediate Frequency, IF）为512 MHz。一台USRP N321与一台USRP N320分别连接至该射频信道板的中频输出端口：其中USRP N321对1a号天线的两路极化信号进行数字化处理，USRP N320则负责1f号天线的两路极化信号数字化。两台USRP均使用来自天文台分发系统的外部10 MHz参考时钟与PPS（秒脉冲）信号，并为所有通道配置了本振共享机制。 USRP的IQ采样率为3.84 Msps（兆样本每秒），并通过GNU Radio流图将IQ数据写入磁盘。该GNU Radio流图将每个通道的IQ数据以16位整数格式存储于GNU Radio元数据文件格式中，采用分离式头文件结构。 录制完成后，所有数据被转换为SigMF（Signal Metadata Format，信号元数据格式）。本数据集仅包含1f号天线的采集数据，1a号天线的采集数据收录于另一数据集"2022年1月15日艾伦望远镜阵列捕获的SpaceX Transporter 3发射任务中DELFI-PQ/EASAT-2/HADES口袋卫星及其他业余卫星遥测录音（1a号天线）"。 为便于使用，两个数据集均附带了整合所有录音的sigmf-collection文件。 由于缺乏可靠的两行轨道根数（Two-Line Element Set, TLE），录制初期采用如下TLE进行轨道跟踪： 1 99489U 22013.68438100 .00000000 00000-0 57534-2 0 06 2 99489 97.5121 83.3548 0000001 54.9139 307.6602 15.14117915 08 该TLE拟合了业余爱好者此前对DELFI-PQ的多普勒观测结果。 当该目标脱离跟踪范围后，采用如下TLE进行轨道跟踪： 1 70302C 22002B 22013.68430822 .00096806 00000-0 57494-2 0 02 2 70302 97.5121 83.3548 0012811 276.7340 85.5055 15.11291562 14 该TLE源自Celestrak平台发布的DELFI-PQ/EASAT-2/HADES部署后轨道根数。