What’s the key documentation describing the 3B42RT and Version 6 3B42 products?
The paper describing the 3B42RT (real-time) and Version 6 3B42 (research quality) of the TRMM Multi-satellite Precipitation Analysis (TMPA) products is accessible at Huffman, G.J., R.F. Adler, D.T. Bolvin, G. Gu, E.J. Nelkin, K.P. Bowman, Y. Hong, E.F. Stocker, and D.B. Wolff, 2007, The TRMM Multi-satellite Precipitation Analysis: Quasi-Global, Multi-Year, Combined-Sensor Precipitation Estimates at Fine Scale. J. Hydrometeor., 8(1), 38-55. Technical documentation is also available for the research product and real-time product, as is a WHATSNEW file, which contains recent notices about issues with the RT product.