LoCo Memos

#DateTitleAuthor(s)
12010/10/01Quantifying and Verifying trace stability of vector network analyzers at frequencies below 1GHzHamdi Mani, Chris Groppi, Judd Bowman
22010/12/22MWA Antenna Impedance MeasurementsHamdi Mani, Judd Bowman
32010/12/30MWA REVB LNA MeasurementsHamdi Mani, Judd Bowman
42011/01/27MWA DUAL LNA (REV2) MeasurementsHamdi Mani, Judd Bowman
52011/05/13EDGES MeasurementsHamdi Mani, Judd Bowman
62011/05/25MWA Antenna Measurements at the Murchison Radio ObservatoryHamdi Mani, Judd Bowman
72011/05/24Anritsu MS2035B VNA Stability EvaluationHamdi Mani, Judd Bowman
82011/07/19MWA Beamformer Measurements at ASUHamdi Mani, Judd Bowman
92012/02/04Charge Controller Communication using MatLab (additional files: Attachments.zip)Jose Chavez
102012/02/08EDGES Antenna Variation ReportTom Mozdzen
112012/02/09EDGES Antenna Panel Thickness Variation ReportTom Mozdzen
122012/02/09EDGES Antenna S11 Simulations with a Ground Cone ReportTom Mozdzen
132012/02/10EDGES Antenna S11 Simulations with Conical Panels ReportTom Mozdzen
142012/07/26Implementation of Antenna Simulator with improved-balance choke balunRaul Monsalve
152012/07/29An Automated Test System to Characterize A Large number of MWA BeamformersHamdi Mani, Judd Bowman, Breana Branham, Jose Chavez
162012/07/29DARE MRO Expedition: Deployment and Initial MeasurementsHamdi Mani, Judd Bowman, Sarah Easterbrook
172012/07/29DARE MRO Data After Receiver SwapHamdi Mani
182012/09/06Remote Solar Power and Data Acquisition System (RSPDAS) ReportJose Chavez
192012/10/21Hot Load for EDGESRaul Monsalve
202012/10/21Stability of ZVL3 VNA in the LabRaul Monsalve
212012/10/21Stability of ZVA24 VNA in the LabRaul Monsalve
222012/11/26Field Notes at the MRO (EDGES/DARE) - HandwrittenJose Chavez
232012/12/17MRO Field Report (2012 November)Jose Chavez, Hamdi Mani
242013/01/28Precision Noise Source Measurement REV1Hamdi Mani
252013/02/13EDGES Spectrometer ADC cardHamdi Mani
262013/02/17Solid State Noise Source Calibration Using cryogenically cooled Thermal Noise generatorsHamdi Mani
272013/02/20MATLAB Code used to remotely control the ZVL3 and ZVA24 Vector Network Analyzers via LAN to Automate measurements and log dataHamdi Mani
282013/02/20MATLAB Code used to remotely control the ZVL3 Spectrum Analyzer via LAN to Automate measurements and log dataHamdi Mani
292013/02/22Half Angle Sweep for Biconical Wire Skeleton AntennaJose Chavez
302013/02/25MATLAB Code and GUI used to Talk to the LABJACK U3, configure the IOs as digital OutputsHamdi Mani
312013/02/25Cryogenically Cooled 50 Ohm Terminations for Receiver Calibration, configure the IOs as digital OutputsHamdi Mani
322013/02/25MATLAB Code and GUI used to control the MWA beamformerHamdi Mani
332013/02/28Initial Measurement of the DARE engineering prototypeFront End unit (BALUN): Sparameters and Noise TemperatureHamdi Mani
342013/03/02RFI in ISTB4 Lobby (prep for Night of Open Door)Jose Chavez, Hamdi Mani
352013/03/07DARE Balun with an external Noise Calibration sourceHamdi Mani
362013/03/07Short report on Design, Assembly and Testing of a cheap and easy to build solid state noise sourceHamdi Mani
372013/03/17Comb Generator Stability MeasurementsJose Chavez
382013/03/17PAPER balun schematicRaul Monsalve (R. Bradley)
392013/03/27Antenna Variable Parameter SweepJose Chavez
402013/03/28Radio Spectrum Allocation in ChileRaul Monsalve
412013/04/07bicoLOG 5070 Antenna SimulationJose Chavez
422013/04/07bicoLOG 5070 Antenna CalibrationJose Chavez
432013/04/16Updated Antenna ResultsJose Chavez
442014/06/26Investigating MWA delay power spectraMichael Busch
452019/06/27Cable Reflections in Autocorrelation Delay Spectra (OVRO-LWA)Judd D. Bowman
462020/10/06(DORA #001) Sources of Background Light for DORA Cubesat and Ground StationJudd D. Bowman
472020/10/15(DORA #002) Jaime’s payload deployer hinge design testingMickey Horn
482023/06/09(DORA #003) RF payload 8-channel low resolution spectrometer calibrationTitu Samson
492023/08/10Beam Mapping of LWA using Pulsar GatingAkshatha K Vydula
502023/08/10Sensitivity analysis of pulsar beam mapping with the LWA and VLAAkshatha K Vydula
512023/08/10Observing Campaign for LWA Beam measurementsAkshatha K Vydula
522023/08/10VLA 4-band beam width measurement using the holography observing modeAkshatha K Vydula
532023/09/15Ethernet cable testing for 100Mbps linkTitu Samson
542024/03/24RF Payload for FM Signal Mapping in Low Earth OrbitTitu Samson
552024/03/24Calibration of RF Payload for FM Signal Mapping in Low Earth OrbitTitu Samson
562024/03/24MEMS Switch networkTitu Samson
572024/03/24Comparison of E-calibration and manual calibration of VNATitu Samson
582024/03/24Tuning J-board LNA to match the EDGES LNA S11Titu Samson
592024/03/24Raspberry Pi Computer Module 4 breakout boardTitu Samson
602025/03/18REDGES S11 delay and polyfitting after S11 calibrationTitu Samson
612025/03/18Testing the J-Board for EMITitu Samson
622025/03/18Low noise 80VDC power supply for MEMS RF switchTitu Samson
632025/06/16(LWA-MC #001) First Test of LWA Antenna and FEE on SiteJudd Bowman
642025/06/17(LWA-MC #002) Initial Soil Depth Tests and Oz-Post OptionsJudd Bowman