All references
Cherry, N. J. 1971. “Characteristics and Performance of Three Low-Cost Superpressure Balloon (Tetroon) Systems.” Journal of Applied Meteorology 10 (5): 982–90. https://doi.org/10.1175/1520-0450(1971)010<0982:capotl>2.0.co;2.
David Beverstein, VE3KCL. n.d. “Some Notes about Flying Clear Chinese Balloons with the U4B Transmitter.” Online, accessed 2025-12-02. https://www.qrp-labs.com/images/u4b/U4B_construction_notes.pdf.
David WB6TOU, Bryan KF6ZEO, Martin W6MRR. 2021. “Picoballooning in the Bay Area.” In ARRL/MDARC Pacificon, Oct 16, 2021.
De Soto, Widalys. 2004. “Improvement and Validationof a Model for PhotovoltaicArray Performance.” Master’s thesis, Univeristy of Wisconsin-Madison. https://minds.wisconsin.edu/bitstream/handle/1793/7602/desoto04.pdf;jsessionid=883E1911C6E7CFF064612DB37AB73E23?sequence=1.
Kyocera. n.d. “3.0V SCC Series High Capacitance Cylindrical Supercapacitors.” Online, accessed 2025-12-02. https://datasheets.kyocera-avx.com/AVX-SCC-3.0V.pdf.
Lally, Vincent E. 1971. “Superpressure Balloons for Horizontal Soundings Ofthe Atmosphere.” Technical report NCAR-TN-28. National Center for Atmospheric Research. https://airbine.com/wp-content/uploads/2023/01/BT-1777_pt1-Scientific-Ballooning-Handbook.pdf.
McKinney, Todd. 2024. “METHODOLOGY, DEPLOYMENT, ANDPERFORMANCE OF PICO BALLOONS INANTARCTICA.” Master’s thesis, The University of Alabama in Huntsville. https://louis.uah.edu/cgi/viewcontent.cgi?params=/context/uah-theses/article/1654/&path_info=mckinney_10931.pdf.
McKinney, Todd, Nick Perlaky, Alice Crawford, Bill Brown, and Michael J. Newchurch. 2023. “Methodology, Deployment, and Performance of Pico Balloons in Antarctica.” Journal of Atmospheric and Oceanic Technology 40 (10): 1277–90. https://doi.org/10.1175/jtech-d-23-0047.1.
Moghbelli, Hassan, Khaled Ellithy, and Zohreh Eslami. 2024. “Investigation of Solar Energy Applications with Design and Implementation of Photovoltaic Traffic Light Signal System for Qatar.” RE&PQJ 7 (1). https://doi.org/10.24084/repqj07.249.
PowerFilm Solar. n.d. “MPT4.8-150.” Online, accessed 2025-12-02. https://www.powerfilmsolar.com/products/electronic-component-solar-panels/classic-application-series/mpt4-8-150.
(PVPMC), PV Performance Modeling Collaborative. n.d. “Modeling Guide.” Online, accessed 2025-12-02. https://pvpmc.sandia.gov/modeling-guide/.
QRP Labs. 2025a. “U4B - Balloon Tracker.” Online, accessed 2025-12-02, last updated 11 July 2025. https://qrp-labs.com/u4b.
———. 2025b. U4B – Ultimate4 Balloon Tracker Operating Manual, Firmware Version 1.00_005. QRP Labs. https://qrp-labs.com/images/u4b/firmware/1_00_005/u4b_operation_1_00_005a.pdf.
———. n.d. U4B - Ultimate4 Balloon Tracker Hardward Manual. QRP Labs. https://qrp-labs.com/images/u4b/u4b_hardware.pdf.
Sharma, R. 2019. “Effect of Obliquity of Incident Light on the Performance of Silicon Solar Cells.” Heliyon 5 (7): e01965. https://doi.org/10.1016/j.heliyon.2019.e01965.
ST Microelectronics. n.d. “Positive Voltage Regulator ICs.” Online, accessed 2025-12-02. https://www.st.com/resource/en/datasheet/l78.pdf.
Tommy Davis, KB7HTA. 2025. “TALARC ALP40-i Balloon Construction.” Online, accessed 2025-12-02. https://kb7hta.com/wp-content/uploads/2025/05/TALARC-ALP40-I-Balloon-Construction-r1.pdf.
Wardhana, A S J, E S Damarwan, and ML Hakim. 2021. “The Effect of Inclination Angle of the Solar Panel on the Resulting Output Voltage.” Journal of Physics: Conference Series 2111 (1): 012053. https://doi.org/10.1088/1742-6596/2111/1/012053.
Yaniv, Asaf, Arie Sheinker, Boris Ginzburg, Nizan Salomonski, Joseph Ashkenazy, and Kobi Kusher. 2022. “EXPLORATION OF EARTH’s MAGNETIC FIELD BY HIGH ALTITUDE BALLOONS.” In Conference: 24th ESA Symposium on European Rocket and Balloon Programmes and Related ResearchAt: Essen Germany. https://www.researchgate.net/publication/358884952_EXPLORATION_OF_EARTH'S_MAGNETIC_FIELD_BY_HIGH_ALTITUDE_BALLOONS.