11/14/2023 0 Comments Ham radio range calculatorThe resulting KMZ files are viewable in Google Earth on Windows and Mac (through and ), on Android and iOS versions of RFinder. Best of all, most of the hard work was done whilst we were sleeping!" Bob was able to efficiently outsource the substantial horse power and reference data required for this mammoth task and download each site afterwards as a KMZ overlay for Google earth and host them himself. Several days later he had his own client script and had rendered most of his substantial database of repeaters at 100 mile radius each using CloudRF's powerful servers. " Bob contacted me in late February about our API. RFinder is by far the largest collection of transmitters we have seen and we are excited to be part of this ground breaking project." says Farrant. We look forward to working with RFinder to improve RF coverage maps for the world. " CloudRF is honoured to have been chosen to support the world's premier repeater database with coverage maps. “We have worked with Alex Farrant, M6ZUJ, creator of, to render coverage maps for nearly the entire collection of repeaters in RFinder's database.” “Our systems are busy rendering and indexing coverage maps based on ground path loss using the Longley-Rice irregular terrain model,” said Bob Greenberg, W2CYK, creator of RFinder - The Worldwide Repeater Directory. RFinder has now announced that through a new strategic alliance with, users will now have coverage maps for all repeaters on earth. In February, ARRL announced it had established an agreement with RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, to be its preferred online resource of repeater frequencies.
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