[amsat-bb] Re: Yaesu FT-897 and HRD satellite tracking problem

26 Dec 2007

      Thank you for that verification Fabiano!
I have set the refresh time to 10 seconds and encountered the same F1 
problem.  (My apologies to everyone for the screw-ups I made on AO-51 
half an hour ago, part of the F1 delay problem!  I won't try that again.)
Your English is fine Fabiano, and you have been a great help to me. 
Thank you very much!  If I find out any fix I will let you know.
73, Dave KI4PSR
Fabiano Moser - PY5RX wrote:
...
Dave,
I also have one FT-897D with CT-62 since 2005  using HRD for Satellite 
QSO's, and also have this "taa...ta...ta..." with schelch opened.
This happen when the FT-897 recive data from computer via CAT, for this 
the sound "ta...ta...ta..." is in sync with the square icon at "up left" 
in the screen, that squase show you when the radio refresh data from 
computer. This problem not happen with my FT-847 for example. I don't 
know why Yaesu not solved it on the radio.
What you can do, and is what I do here are set on Current Data (inside 
SAT screen) "refresh every" (set to 1 second) that will reduce the 
problem, and you can do your QSO's better.
When you are operating SAT, you must only wait more to press again F1. 
Or give up to 1sec interval between the TX.
If anyone discovery the solution for this problem, I'm also want to 
know, please!
Dave thi's my experience with FT-897D and HRD, sorry for not so pretty 
English ok?
I loooooove HRD, i use today with my 897 and 847 and works amazing!
I hope I had help you
73 Fabiano Moser PY5RX
Lisbon/Portugal
----- Original Message ----- From: "Dave Matthews" dave@lostfrogs.com
To: vk4tec@people.net.au
Cc: amsat-bb@amsat.org
Sent: Wednesday, December 26, 2007 10:28 PM
Subject: [amsat-bb] Re: Yaesu FT-897 and HRD satellite tracking problem
...
Yes, I've tried every available baud rate.
73, KI4PSR
Andrew Rich wrote:
...
did u try changing the baud rate ?

Andrew Rich VK4TEC
vk4tec@people.net.au mailto:vk4tec@people.net.au
http://www.tech-software.net
-----Original Message-----
From: amsat-bb-bounces@amsat.org [mailto:amsat-bb-bounces@amsat.org]On
Behalf Of Dave Matthews
Sent: Thursday, 27 December 2007 6:06 AM
To: Simon Brown (HB9DRV)
Cc: amsat-bb@amsat.org
Subject: [SPAM] [amsat-bb] Re: Yaesu FT-897 and HRD satellite tracking
problem
Importance: Low
Thank you Simon, and I appreciate the response from the guru as I
appreciate your fine program!
I have tried all of the procedures I could glean from the HRD forum and
messages on the pertinent Yaesu group, and eham.  I have grounded,
beaded with ferrites, shielded, tried different cables etc., and I still
get the chuff-chuffing noise that coincides with the black square
animation on the upper left of the satellite tracking tool screen.
I have tried different CAT baud rates, and switched from a RS-232
interface to a USB interface.  (I still have another more direct USB
attempt to make after I build the Ham Gadgets interface).  And although
I presently have a few beads on the CT-62 cable I guess I can add a few
more beads and a few more loops through them, but so far there has been
absolutely no difference notices with or without the beads.
Advice on the HRD forums follows yours: 'noise radiating from the CT-62
cable'.  I don't think it is in this case as I have tested and improved
the shielding and added ferrites, etc.
My experiments suggest that this may be a problem inherent to the rig,
maybe losing its control of receiver parameters momentarily as it acts
on the repetitive CAT data.  And finally a user in the Yaesu group
suggests that this problem is normal for these Yaesu FT-897/857 rigs and
some others.  But that user mentions simply turning off the polling to
avoid the noise.  I want to use the HRD automatic Doppler shift
tracking, so I need at least some periodic polling to update the rig.
Thanks you Simon for your timely response!
I will keep looking and experimenting.
Dave KI4PSR
(I would appreciate hearing from any users of an FT-897 or FT-857 who
are using the satellite tracking tool in HRD with polling to track the
Doppler shift.  Do you have the same chuff-chuffing?  Did you find a 
fix?)
Simon Brown (HB9DRV) wrote:
...
Sounds like radiation from the CT-62 cable - try putting a ferrite or
two on the cable.
Simon Brown, HB9DRV
----- Original Message ----- From: "Dave Matthews" dave@lostfrogs.com
...
I have a periodic 'polling?' noise issue with my Yaesu FT-897

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