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“Whether due to the startling popularity of the new mode, or to the ability to spot stations at 22 dB below the noise level, it seems obvious that adding FT8 spots to our spot flow could have a huge impact on the infrastructure of the RBN,” the RBN announcement said. Throughput on both days totaled some 30,000 spots. “The most striking characteristic of FT8 spots is their sheer quantity,” the RBN announcement said, citing weekday statistics from May 23 and 24 when FT8 spots represented 86% and 87% of all spots, respectively, while CW spots were 13% and 14%, respectively, and RTTY spots were below 1%.
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The beta test follows a limited alpha test aimed at getting a feel for the spot load and other implications of carrying FT8 spots on the RBN. In addition, a beta version of Aggregator Version 5 that can handle FT8 spots received from WSJT-Xwill be available on the RBN website, with instructions on how RBN node operators can configure their nodes to spot FT8 call signs on one or more bands this will not interfere with the ability to spot CW and RTTY call signs, the RBN team assured in its announcement, explaining its reasoning for the move. Shooting Ourselves In The Foot : Amateur radio's c.As a beta test, the popular Reverse Beacon Network ( RBN) has announced that it’s now offering a separate telnet feed for FT8 spots ( port 7001), in addition to the current spot feed ( port 7000), which will be repurposed to handle only CW and RTTY spots.Help Haiti - Text HAITI to 90999 - Donate $10 to R.Factoid for any EmComm dorks HFLINK/ALE folks reading this W4CQZ's application, reverse-beacon system, etc are frequency agnostic. Unfortunately this has led to a lot of people directing criticism at the JT65-HF users and (bizarrely) at people like W4CQZ for "promoting inappropriate use". The group in question is skilled in search-engine optimization which means that when looking for information about digital modes you're likely to find their info first and take it for granted that this is "the law". There are some vociferous contingents in the HF digital world who have appointed themselves arbiters of the band-plan and created a lot of conflicts by publishing "official" bandplans which direct multiple (and often incompatible) modes to the same sub-band as part of a strategy to protect "their" channels. None of this comes without a price, of course.
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I spoke yesterday with a ham friend in Egypt and hope to see North Africa in my log very soon. South Africa, a rarity in 2007, has become an almost daily presence in the reverse-beacon display. Looking at global activity via the PSKReporter map it's clear that Europe is actually more active on JT65-HF than any other regions. Contrast that with this morning when my reverse-beacon logged nine European stations including two new ones which I happily logged. In 2007 interest in the mode was primarily from the US and Japan.
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I'm happy to report that I was wrong thanks in large part to W4CQZ (formerly W6CQZ) who developed several key components for this mode a reverse-beacon system, a web-based chat/sked page which displays reverse-beacon data in near real-time, and an application (appropriately named JT65-HF) which improves upon the original WSJT application written by K1JT.Įach component is interesting by itself, but combined together they have generated a lot of interest and attracted a whole new breed of very active JT65-HF users with more coming on the air every day. Back in late 2007 I wrote about what I thought was the impending demise of the JT65A mode on HF.