ORIGINAL MESSAGE: (may be snipped)
On Fri, 11 Oct 2013 00:00:19 -0700, W0YK wrote:
>Nothing ... IF your computer has real, i.e., with good UARTs, hardware
>serial ports., or you use a USB-Serial converter such as the Edgeport units
>with real UART components. However, many people use standard consumer-grade
>USB-Serial converters without true UARTs and they therefore require the
>EXTFSK optional module for MMTTY to provide correct Serial timing. Turns
>out that MMTTY's EXTFSK's "correct Serial timing" is not so correct. Thus,
>a solution like Andy's is warranted to obtain perfect RTTY timing via USB.
>
>The Edgeport converters are commercial products retailing for over $300, but
>I've bought lots of them for $30 or less (4-port) and $60 or less (8-port)
>on eBay. Just two different approaches to obtain proper Serial timing.
>
>Ed W0YK
REPLY:
I hadn't realized there was such a problem. I do have a more or less
conventional PC with a pair of PCI boards with com ports so I don't use any
USB to serial converters. May I ask how this timing problem manifests itself
over the air? Poor weak signal reception? Or what?
73, Bill W6WRT
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