[VHFcontesting] FT4 Mode

[Aa4zz]

Per Joe Taylor's talk at the VHF Super Conference
The  faster speed comes with a trade off of 4.5db less sensitivity.
Of course for many QSO's that will not matter, but on weak signals it may.
73 Paul AA4ZZ




Message: 1
Date: Mon, 29 Apr 2019 10:47:01 -0700
From: Brian Dickman <brian.dickman at gmail.com>
To: VHFcontesting at contesting.com
Subject: [VHFcontesting] FT4 mode
Message-ID:
        <CAJnrbTwEcfmp0MVKXZV7kSc8OFhvTK9w-4YVE+hUHu_mvveMzg at mail.gmail.com>
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Since the topic hasn't appeared on this list yet, I figured it would be a
good idea to make folks here aware of the pending WSJT FT4 mode in case
they hadn't seen it already.

The tl;dr:
* 2.5X faster than FT8
* Same contesting features as FT8
* Automatic search and pounce mode
* 144.170MHz proposed 2m frequency

To read more, here's a couple links:

*
http://www.arrl.org/news/faster-more-contest-friendly-ft4-digital-protocol-to-debut-in-a-week
* http://physics.princeton.edu/pulsar/k1jt/FT4_Protocol.pdf
*
http://www.southgatearc.org/news/2019/april/video-of-ft4-talk-by-joe-taylor-k1jt.htm#.XMc36OhKhaQ
(video
of a club talk Joe Taylor made about FT4)

73,
--
Brian AF7MD




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