LoCo Memos

#001 2010/10/01 Quantifying and Verifying trace stability of vector network analyzers at frequencies below 1GHz, Hamdi Mani, Chris Groppi, Judd Bowman
#002 2010/12/22 MWA Antenna Impedance Measurements, Hamdi Mani, Judd Bowman
#003 2010/12/30 MWA REVB LNA Measurements, Hamdi Mani, Judd Bowman
#004 2011/01/27 MWA DUAL LNA (REV2) Measurements, Hamdi Mani, Judd Bowman
#005 2011/05/13 EDGES Measurements, Hamdi Mani, Judd Bowman
#006 2011/05/25 MWA Antenna Measurements at the Murchison Radio Observatory, Hamdi Mani, Judd Bowman
#007 2011/05/24 Anritsu MS2035B VNA Stability Evaluation, Hamdi Mani, Judd Bowman
#008 2011/07/19 MWA Beamformer Measurements at ASU, Hamdi Mani, Judd Bowman
#009 2012/02/04 Charge Controller Communication using MatLab, Jose Chavez, additional files: Attachments.zip
#010 2012/02/08 EDGES Antenna Variation Report, Tom Mozdzen
#011 2012/02/09 EDGES Antenna Panel Thickness Variation Report, Tom Mozdzen
#012 2012/02/09 EDGES Antenna S11 Simulations with a Ground Cone Report, Tom Mozdzen
#013 2012/02/10 EDGES Antenna S11 Simulations with Conical Panels Report, Tom Mozdzen
#014 2012/07/26 Implementation of Antenna Simulator with improved-balance choke balun, Raul Monsalve
#015 2012/07/29 An Automated Test System to Characterize A Large number of MWA Beamformers, Hamdi Mani, Judd Bowman, Breana Branham, Jose Chavez
#016 2012/07/29 DARE MRO Expedition: Deployment and Initial Measurements, Hamdi Mani, Judd Bowman, Sarah Easterbrook
#017 2012/07/29 DARE MRO Data After Receiver Swap, Hamdi Mani
#018 2012/09/06 Remote Solar Power and Data Acquisition System (RSPDAS) Report, Jose Chavez
#019 2012/10/21 Hot Load for EDGES, Raul Monsalve
#020 2012/10/21 Stability of ZVL3 VNA in the Lab, Raul Monsalve
#021 2012/10/21 Stability of ZVA24 VNA in the Lab, Raul Monsalve
#022 2012/11/26 Field Notes at the MRO (EDGES/DARE)- Handwritten, Jose Chavez
#023 2012/12/17 MRO Field Report (2012 November), Jose Chavez, Hamdi Mani
#024 2013/01/28 Precision Noise Source Measurement REV1, Hamdi Mani
#025 2013/02/13 EDGES Spectrometer ADC card, Hamdi Mani
#026 2013/02/17 Solid State Noise Source Calibration Using cryogenically cooled Thermal Noise generators, Hamdi Mani
#027 2013/02/20 MATLAB Code used to remotely control the ZVL3 and ZVA24 Vector Network Analyzers via LAN to Automate measurements and log data, Hamdi Mani
#028 2013/02/20 MATLAB Code used to remotely control the ZVL3 Spectrum Analyzer via LAN to Automate measurements and log data, Hamdi Mani
#029 2013/02/22 Half Angle Sweep for Biconical Wire Skeleton Antenna, Jose Chavez
#030 2013/02/25 MATLAB Code and GUI used to Talk to the LABJACK U3, configure the IOs as digital Outputs, Hamdi Mani
#031 2013/02/25 Cryogenically Cooled 50 Ohm Terminations for Receiver Calibration, Hamdi Mani
#032 2013/02/25 MATLAB Code and GUI used to control the MWA beamformer, Hamdi Mani
#033 2013/02/28 Initial Measurement of the DARE engineering prototypeFront End unit (BALUN): Sparameters and Noise Temperature, Hamdi Mani
#034 2013/03/02 RFI in ISTB4 Lobby (prep for Night of Open Door), Jose Chavez, Hamdi Mani
#035 2013/03/07 DARE Balun with an external Noise Calibration source, Hamdi Mani
#036 2013/03/07 Short report on Design, Assembly and testing of a cheap and easy to build solid state noise source, Hamdi Mani
#037 2013/03/17 Comb Generator Stability Measurements, Jose Chavez
#038 2013/03/17 PAPER balun schematic, Raul Monsalve (R. Bradley)
#039 2013/03/27 Antenna Variable Parameter Sweep, Jose Chavez
#040 2013/03/28 Radio Spectrum Allocation in Chile, Raul Monsalve
#041 2013/04/07 bicoLOG 5070 Antenna Simulation, Jose Chavez
#042 2013/04/07 bicoLOG 5070 Antenna Calibration, Jose Chavez
#043 2013/04/16 Updated Antenna Results, Jose Chavez
#044 2014/06/26 Investigating MWA delay power spectra, Michael Busch
#045 2019/06/27 Cable Reflections in Autocorrelation Delay Spectra (OVRO-LWA), Judd D. Bowman
#046 2020/10/06 (DORA #001) Sources of Background Light for DORA Cubesat and Ground Station, Judd D. Bowman
#047 2020/10/15 (DORA #002) Jaime’s payload deployer hinge design testing, Mickey Horn
#048 2023/06/09 (DORA #003) RF payload 8-channel low resolution spectrometer calibration, Titu Samson
#049 2023/08/10 Beam Mapping of LWA using Pulsar Gating, Akshatha K Vydula
#050 2023/08/10 Sensitivity analysis of pulsar beam mapping with the LWA and VLA, Akshatha K Vydula
#051 2023/08/10 Observing Campaign for LWA Beam measurements, Akshatha K Vydula
#052 2023/08/10 VLA 4-band beam width measurement using the holography observing mode, Akshatha K Vydula
#053 2023/09/15 Ethernet cable testing for 100Mbps link, Titu Samson
#054 2024/03/24 RF Payload for FM Signal Mapping in Low Earth Orbit, Titu Samson
#055 2024/03/24 Calibration of RF Payload for FM Signal Mapping in Low Earth Orbit, Titu Samson
#056 2024/03/24 MEMS Switch network, Titu Samson
#057 2024/03/24 Comparison of E-calibration and manual calibration of VNA, Titu Samson
#058 2024/03/24 Tuning J-board LNA to match the EDGES LNA S11, Titu Samson
#059 2024/03/24 Raspberry Pi Computer Module 4 breakout board, Titu Samson