Last Updated on January 18, 2025 by John Berry
De Boer, PT, PA3FWM (2015) Signal/noise ratio of digital amateur modes, in Electron, February 2015, at https://www.pa3fwm.nl/technotes/tn09b.html?fbclid=IwAR2Ft395EU-NYzX3XPFm1SpzFxnp1_SY761nhONVuuuMfmmPp6EHiJUZn_s, accessed on 19th August 2023.
Rech, WH DF9IC (2005) Test of the Large Signal Behaviour of some 144 MHz Radios, at http://www.df9ic.de/tech/trxtest/trxtest.html?fbclid=IwAR3_aKtQxPXqQ-CaMRgGdJFH6cBVrBhP9xdyQik3j8AS9OiFPfLGY-MAlh0, accessed on 19th August 2023.
Petermann, C DF9CY (2023) Free Space Propagation Calculator for MS Excel; calculate EME (Earth-Moon-Earth) budget, at https://www.df9cy.de/download/download.htm, accessed on 6th September 2023.
Naval Air Warfare Center (2022), Electronic Warfare and Radar Systems Engineering Handbook, 4th Watch Publishing, at https://www.rfcafe.com/references/electrical/ew-radar-handbook/two-way-radar-equation.htm accessed on 8th January 2024.
Microflect (1984) Passive Repeater Engineering, Manual No 161A, p37, Microflect Co. Inc., Salem, OR, USA. At https://www.softwright.com/faq/engineering/Catolog%20161A%20-%20Screen.pdf, accessed on 6th June 2024.
GTE Lenkurt (1970) Engineering Considerations for Microwave Communications Systems, San Carlos, CA, USA. At http://downloads.micropath.com/Docs/RF%20Engineering%20-%20Misc/GTE%20Lenkurt%20Book.pdf accessed on6th June 2024.
Hartigen, P (2022) Lunar Libration and its Relationship to Phases and Distances at https://sparky.rice.edu/public-night/libration.html accessed on 21st June 2024.
Emerson, D (1996) (AA7FV, G3SYS) The Radio Sky: Sky radiation may limit the performance of your station, at https://www.cv.nrao.edu/~demerson/radiosky/sky_jun96.pdf and https://www.cv.nrao.edu/~demerson/radiosky/sky_jul96.pdf downloaded on 9th September 2024.
Ticconi F, Pulvirenti L and Pierdicca N (2011). Models for Scattering from Rough Surfaces, in Electromagnetic Waves, Prof. Vitaliy Zhurbenko (Ed.), ISBN: 978-953-307-304-0, InTech, Available at: http://www.intechopen.com/books/electromagnetic-waves/models-for-scattering-from-rough-surfaces, accessed on 17th January 2025.
Pinel N, & Bourlier C (2013) Electromagnetic Wave Scattering from Random Rough Surfaces, London, ISTE.
Dijun Guo, Wenzhe Fa, Bo Wu, Yuan Li, Yang Liu (2021) Millimeter- to Decimeter-Scale Surface Roughness of the Moon at the Chang’e-4 Exploration Region, at https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2021GL094931, accessed on 17th January 2025.