Dear All,
I migrating my satellite PC to a new maching, both of which uses Windows XP professional edition. All along, I have been using WISP and WISPDDE client for rotator and doppler tracking and plan to continue using the same software.
Rotator control is working great here with the LVB tracker and Yaesu G-5500. However, doppler is not working as how it should be. For this, I use the CI-V cable from G4ZLP which was working perfectly OK on the old machine. I have configured WISPDDE client to IC-910H as radio 1. However, WISPDDE gives errors (when the pass starts, and frequency is passed from WISP to WISPDDE client via DDE) like "Unable to cancel duplex command" and some other errors whenever "Bidirectional interface" is enabled. If "Bidirectional interface" is unchecked, everything works fine. I cant this enabled (causes WISPDDE client to hang up), so for now I have to let it be disabled.
I use the IC-910H in satellite mode with this setup, as this is required to get the downlink on the top (RX) and uplink on the bottom (TX). Would be glad if anyone could help me on this matter. Although this is not a serious trouble, I cant get WISPDDE to recognise small changes/compensation made using the VFO knob on the IC-910H especially when copying CW satellites.
Also, in this configuration, IC-910H could not switch bands automatically. Say for example, IC-910H is set for TOP band, 70 CM RX, Bottom Band, 2M TX. This works well automatically for Mode J satellites like AO-51 and GO-32. But when ISS passes comes in, it will not reverse the top and bottom bands. (I have configured 2M on top (RX - 145.800 MHz), 70CM on the bottom (TX - 437.800 MHz) for cross band repeater configuration). The M/S key on the IC-910H has to be pressed to reverse the top and bottom bands before the pass for doppler correction to be done correctly. In other words, I have to ensure the downlink and uplink bands are set properly on the radio's display before the pass.
This is really a problem for ISS SATGATE and automated satellite reception operation. Would really appreciate any pointers here. Thank you very much in advance.
73, Sion Chow Q. C., 9W2QC.
Sion Chow Q. C. (9W2QC) wrote:
[snip]
I have configured WISPDDE client to IC-910H as
radio 1. However, WISPDDE gives errors (when the pass starts, and frequency is passed from WISP to WISPDDE client via DDE) like "Unable to cancel duplex command" and some other errors whenever "Bidirectional interface" is enabled. If "Bidirectional interface" is unchecked, everything works fine. I cant this enabled (causes WISPDDE client to hang up), so for now I have to let it be disabled.
I use the IC-910H in satellite mode with this setup, as this is required to get the downlink on the top (RX) and uplink on the bottom (TX). Would be glad if anyone could help me on this matter. Although this is not a serious trouble, I cant get WISPDDE to recognise small changes/compensation made using the VFO knob on the IC-910H especially when copying CW satellites.
The 910 needs to put in "satellite" mode before you enable WispDDE.
WispDDE *WILL* send a message about "unable to cancel split mode" before it works properly.
WispDDE will *NOT* work properly if the 910 is *NOT* in satellite mode.
WispDDE will switch bands and modes properly only if the 910 is in satellite mode.
The inability of WispDDE to recognise VFO changes is because "Bidirectional Interface" is turned off. You may also have an old version of WispDDE which did not support "transparent tuning" - I'll send you the most recent build that does support it, in a separate email.
I use Orbitron and WispDDE for my 910 and it works well for me on all the satellites I use.
Feel free to ask me any questions about the 910 with WispDDE
regards
Tim
participants (2)
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Sion Chow Q. C. (9W2QC) -
Tim Tuck