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CX2SA > SATDIG 09.01.17 22:43l 829 Lines 28678 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. IC 910H issues (James Brown)
2. : Re: BY70-1 not heard (N6RFM1 gmail)
3. AO-85 (skristof@xxxxxxx.xxxx
4. Icom AND HAM RADIO DELUXE-Sat Control (Ted)
5. Re: AO-85 (Scott)
6. Re: AO-85 (Jerry Buxton)
7. Re: AO-85 (Alan)
8. Re: AO-85 (skristof@xxxxxxx.xxxx
9. Re: IC 910H issues (George Henry)
10. Re: AO-85 (Jerry Buxton)
11. Re: IC 910H issues (Mvivona)
12. Re: Icom AND HAM RADIO DELUXE-Sat Control (Kelly Keeton)
13. Friendship 7 details? (Robert Bruninga)
----------------------------------------------------------------------
Message: 1
Date: Sun, 8 Jan 2017 20:24:17 +0000 (UTC)
From: James Brown <jimki6wj@xxxxxxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] IC 910H issues
Message-ID: <738736221.619737.1483907057861@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hello All
I recently swapped from FT847 to IC910H. I am using SAT 32 with little
success. Some of the issues are:
?It appears that after a bit of idle monitoring( waiting for the next sat
pass) the 910 looses communications with SAT 32.
When? a sat pass is activated the uplink and downlink and associated modes
are reversed from what is displayed in SAT 32.
can anyone relay their settings for sat 32 and the 910. maybe I can find
what is configured incorrectly!
ThanksJim KI6WJ? DM09
------------------------------
Message: 2
Date: Sun, 8 Jan 2017 16:00:50 -0500
From: "N6RFM1 gmail" <n6rfm1@xxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] : Re: BY70-1 not heard
Message-ID: <008601d269f2$4b668de0$e233a9a0$@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Hi Paul and AMSAT friends,
It's really great to hear BY70-1 getting lots of use. Lots of familiar
calls and some new ones. Perfect.
Indeed, Scott K4KDR and I have recently made several coordinated attempts to
collect BY70-1 telemetry and camera pictures. This would not have been
even possible without the support of Mingchuan BG2BHC (as a project team
representative, for GNU radio support and example wav format command files),
Dani EA4GPZ (for authoring open source GNU radio blocks, and hosting a
fantastic blog which describes how much of this works), and the BY70-1
project team.
We have made several attempts over the past few days during favorable passes
for us. So far, we have received some good telemetry, been able to command
the satellite to take a picture and then download a few pieces of the JPG.
Unfortunately, so far we have only fragments of JPG data. If more than a
few packets in the JPG file data stream are lost, the JPG image cannot be
reconstructed. For reasons we do not understand, either the downlink data
stream stops, is disrupted or BY70-1 resets. It may even be our ground
station hardware limitations. We don't quite know. We do hope however that
some of our experiences will guide future developments. For example, as
Dani suggests SSDV which has error detection and correction capability.
For those interested and key point, BY70-1 will only accept a camera command
after 30 seconds of transponder non-use. Given the popularity of BY70-1,
which is great and what we all want, Scott and I have had a few chances to
send camera commands during such "quiet times" or > 30 periods on non-use.
But again, we are delighted BY70-1 is popular and being used.
What you may have heard was the satellite re-transmitting my request to
"take and send" a picture. These uplink commands are in FM and last a few
seconds. If successful, the satellite switches modes and starts picture
transmissions in SSB mode on the downlink. These last for ~10 - 15 seconds.
Then we hear the transponder come right back on. You might not even notice
between sips of coffee (or whatever!)
Once a related camera mode has been activated, there is a 10 minute
countdown before another such request will be accepted. As a practical
matter, with the 10 minute camera watchdog, those interested in getting a
picture really have one shot/pass and only if the transponder is quiet for
the >30 second period.
It's really great to hear everyone using BY70-1. That's what it's all
about. And thanks to Scott K4KDR for being a great partner on this little
project!
Of course, I've made few Qs myself! I must say the audio quality is amazing
to my ears. One last thing Paul. I need to work you on BY70-1! :-)
73,
Bob
------------------------------
Message: 3
Date: Sun, 08 Jan 2017 18:01:38 -0500
From: skristof@xxxxxxx.xxx
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] AO-85
Message-ID: <1d99641f5aa2b292c40232fa72023914@xxxxxxx.xxx>
Content-Type: text/plain; charset=US-ASCII
I just tried to get telemetry from AO-85. The pass had max elevation of
76 degrees here. In the past I would get lots of data on a pass like
this, but lately I've been getting nothing. I can see the signal on the
"waterfall" (using SDR#) but the signal is too weak to decode. Is anyone
else having this problem? Is the signal normally low when the northern
hemisphere is dark? What's happening?
I've asked this before and didn't get any responses. Please send a
couple of responses so I have some idea if there is some problem in my
set up here.
Thanks!
Steve AI9IN
------------------------------
Message: 4
Date: Sun, 8 Jan 2017 15:16:54 -0800
From: "Ted" <k7trkradio@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Icom AND HAM RADIO DELUXE-Sat Control
Message-ID: <002c01d26a05$4d05c450$e7114cf0$@xxxxxxx.xxx>
Content-Type: text/plain; charset="UTF-8"
This information was just posted on the IC-9100 Group. I thought it might be
useful for anyone here struggling with an ICOM (other than an IC-9100) and
HRD. Apparently, the IC-9100 does not have any problem with SatPC32
73, Ted
K7TRK
From: ic9100@xxxxxxxxxxx.xxx [mailto:ic9100@xxxxxxxxxxx.xxxx
Sent: Sunday, January 8, 2017 6:09 AM
To: ic9100@xxxxxxxxxxx.xxx
Subject: [ic9100] Re: IC 9100 AND HAM RADIO DELUXE
Ron,
Last year I had the same problem! Look for the HRD answer:
"
Dear Julio,
With RX and TX checked, the frequencies for uplink and downlink should be
adjusted for Doppler effect, however, with the Icom radios there is a major
issue which is due to the design of the radio itself.
All rigs use a set of commands to control their functions.
The command set is usually included in the operating manual for the rig.
Any software needs to use these commands to control the various functions of
your rig.
Icom, has elected NOT to include commands in all their rigs to directly
address VFO B or the Sub VFO.
This makes it difficult to impossible to display or control VFO B.
Some software authors have decided to use a kluge of sorts to work around
this issue.
They do this by sending the command to swap VFO's - that is, the frequency
in VFO A becomes the frequency in VFO B and vice versa.
The rig control program then reads the data from VFO A and stores it as VFO B.
It then swaps the VFOs back to the initial frequencies.
This takes a few microsecond to seconds depending on your Rig/Computer/Link
speed and what data is being shared on the control bus (remember Icom CI-V
is a shared serial data bus).
This is an important consideration as it will interrupt the signal being
received on VFO A for that period of time it is swapping back and forth as
well as getting the data from the rig.
It would make copying data or CW signals impossible as they would be
constantly interrupted for an update of the frequency in VFO B.
While that update may be a very short period of time, it would not be
consistent or predictable.
HRD has elected NOT to place this kludge in it's software because of this
reason with the exception of the IC-9100.
The IC-9100 in Satellite Mode (ONLY) will perform this swapping of VFOs as
it is necessary for satellite work and the IC-9100 has individual audio
outputs for the two VFOs.
It's important to realize this is a shortcoming on the part of Icom by not
including these commands.
All attempts to work with Icom to address the issue have met with denial of
a problem from Icom.
The system no longer accepts replies to emails. Please click here
<http://mandrillapp.com/track/click/30719821/tickets.hrdsoftwarellc.com?p=eyJz
IjoieHFNZGp4WURpNXB3bzI3OGtDaEFjV2RId2pNIiwidiI6MSwicCI6IntcInVcIjozMDcxOTgyMS
xcInZcIjoxLFwidXJsXCI6XCJodHRwOlxcXC9cXFwvdGlja2V0cy5ocmRzb2Z0d2FyZWxsYy5jb21c
XFwvdmlldy5waHA_YXV0aD1vMXg1MmNhYWFlZGRpYWFhdEFIMElmam1PaDQyOFElM0QlM0RcIixcIm
lkXCI6XCIzZTI0ZjhkMzdhMGE0ZjEwOGU3ZjViNmMyMzAzMzcwMlwiLFwidXJsX2lkc1wiOltcIjRl
YWVhMzJlMWEyNmE2M2VmYTJkNzRkY2U3ODFmMjQ1NjZmNDkzOTBcIl19In0> to view or
update the status of your ticket.
NOTE: Our support staff is available to respond Monday through Friday 6am to
5pm EST.
Support Staff
HRD Software, LLC
------------------------------
Message: 5
Date: Sun, 8 Jan 2017 18:20:36 -0500
From: "Scott" <scott23192@xxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AO-85
Message-ID: <CC9226F6E55C469C8BFC054F15F4275A@xxxxxxx>
Content-Type: text/plain; format=flowed; charset="UTF-8";
reply-type=original
Steve, were you able to receive any voice traffic?
Also, did you see any of the distinctive very-low freq signatures on the
audio waterfall where that type of telemetry shows up?
I haven't monitored AO-85 recently so I?m afraid I don't have any first-hand
reports to share.
What upper & lower audio bandwidth settings were you using?
-Scott, K4KDR
=============================================================
-----Original Message-----
From: skristof@xxxxxxx.xxx
Sent: Sunday, January 08, 2017 6:01 PM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] AO-85
I just tried to get telemetry from AO-85. The pass had max elevation of
76 degrees here. In the past I would get lots of data on a pass like
this, but lately I've been getting nothing. I can see the signal on the
"waterfall" (using SDR#) but the signal is too weak to decode. Is anyone
else having this problem? Is the signal normally low when the northern
hemisphere is dark? What's happening?
I've asked this before and didn't get any responses. Please send a
couple of responses so I have some idea if there is some problem in my
set up here.
Thanks!
Steve AI9IN
------------------------------
Message: 6
Date: Sun, 8 Jan 2017 17:22:46 -0600
From: Jerry Buxton <n0jy@xxxxx.xxx>
To: AMSAT-BB <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AO-85
Message-ID: <ff9081a6-57dd-5772-d635-d9df621a0020@xxxxx.xxx>
Content-Type: text/plain; charset=windows-1252
Hi Steve,
I haven't been copying AO-85 telemetry for the last few weeks, but I
have not heard any reports from our engineering team that there are any
anomalies with the telemetry. The presence or absence of sunlight over
the northern hemisphere or anywhere else should not affect the signal
strength of the satellite, at least not noticeably.
A quick look at the telemetry leaderboard
http://www.amsat.org/tlm/leaderboard.php?id=1&db=FOXDB
indicates that there are as many stations as usual copying telemetry in
the last 90 minutes. So while everything I've said here doesn't
conclude that AO-85 is working OK I don't see any obvious indications
that there would be a problem on the satellite end of things.
I'm sure that others here can help with suggestions for troubleshooting
on your station end, I'm not taking a cop-out here but it is in fact
suppertime so here I go for now, stomach wins over hobby! :-)
Jerry Buxton, N?JY
On 1/8/2017 17:01, skristof@xxxxxxx.xxx wrote:
> I just tried to get telemetry from AO-85. The pass had max elevation of
> 76 degrees here. In the past I would get lots of data on a pass like
> this, but lately I've been getting nothing. I can see the signal on the
> "waterfall" (using SDR#) but the signal is too weak to decode. Is anyone
> else having this problem? Is the signal normally low when the northern
> hemisphere is dark? What's happening?
>
> I've asked this before and didn't get any responses. Please send a
> couple of responses so I have some idea if there is some problem in my
> set up here.
>
> Thanks!
>
> Steve AI9IN
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
expressed
> are solely those of the author, and do not reflect the official views of
AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 7
Date: Sun, 8 Jan 2017 17:45:19 -0600
From: Alan <wa4sca@xxxxx.xxx>
To: <skristof@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] AO-85
Message-ID: <000001d26a09$45531b50$cff951f0$@xxxxx.xxx>
Steve,
Things seem about normal. You can sometimes get periods when due to antenna
alignment the signals are
weaker than you would expect, but is usually something which only applies to
a single pass. Some
things to check are the source gain, and also make certain that the AGC is
not selected. Many version
of SDR# ago, I found that if the AGC was selected, it greatly reduced the
data recovery on AO-85.
Haven't checked lately.
73s,
Alan
WA4SCA
<-----Original Message-----
<From: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx On Behalf Of
skristof@xxxxxxx.xxx
<Sent: Sunday, January 08, 2017 5:02 PM
<To: amsat-bb@xxxxx.xxx
<Subject: [amsat-bb] AO-85
<
<I just tried to get telemetry from AO-85. The pass had max elevation of
<76 degrees here. In the past I would get lots of data on a pass like
<this, but lately I've been getting nothing. I can see the signal on the
<"waterfall" (using SDR#) but the signal is too weak to decode. Is anyone
<else having this problem? Is the signal normally low when the northern
<hemisphere is dark? What's happening?
<
<I've asked this before and didn't get any responses. Please send a
<couple of responses so I have some idea if there is some problem in my
<set up here.
<
<Thanks!
<
<Steve AI9IN
<_______________________________________________
<Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
<to all interested persons worldwide without requiring membership. Opinions
expressed
<are solely those of the author, and do not reflect the official views of
AMSAT-NA.
<Not an AMSAT-NA member? Join now to support the amateur satellite program!
<Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 8
Date: Sun, 08 Jan 2017 21:03:27 -0500
From: skristof@xxxxxxx.xxx
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AO-85
Message-ID: <3f8238c02b6e36cf035235563656fa6f@xxxxxxx.xxx>
Content-Type: text/plain; charset=US-ASCII
Thanks to all who replied. I have a tendency to try the most frugal
(i.e. cheapest) methods to do things so I'm using an RTL-SDR with SDR#
software. I use the VB virtual audio cable to connect the SDR# to
FoxTelem. As I mentioned, this has worked wonderfully in the past, just
not lately. I did check the AGC on SDR#, and it is not enabled.
The only filtering that is occurring that I can see is the low pass
filtering in FoxTelem.
My gut feeling is that I'm going to have get on the roof this spring and
check out the antenna connection. The antenna is an M2 turnstile. Yes, I
know it's not the top choice, but, as I said, it worked pretty well a
couple of months ago.
Steve AI9IN
On 2017-01-08 18:45, Alan wrote:
> Steve,
>
> Things seem about normal. You can sometimes get periods when due to
antenna alignment the signals are
> weaker than you would expect, but is usually something which only applies
to a single pass. Some
> things to check are the source gain, and also make certain that the AGC is
not selected. Many version
> of SDR# ago, I found that if the AGC was selected, it greatly reduced the
data recovery on AO-85.
> Haven't checked lately.
>
> 73s,
>
> Alan
> WA4SCA
>
> <-----Original Message-----
> <From: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx On Behalf Of
skristof@xxxxxxx.xxx
> <Sent: Sunday, January 08, 2017 5:02 PM
> <To: amsat-bb@xxxxx.xxx
> <Subject: [amsat-bb] AO-85
> <
> <I just tried to get telemetry from AO-85. The pass had max elevation of
> <76 degrees here. In the past I would get lots of data on a pass like
> <this, but lately I've been getting nothing. I can see the signal on the
> <"waterfall" (using SDR#) but the signal is too weak to decode. Is anyone
> <else having this problem? Is the signal normally low when the northern
> <hemisphere is dark? What's happening?
> <
> <I've asked this before and didn't get any responses. Please send a
> <couple of responses so I have some idea if there is some problem in my
> <set up here.
> <
> <Thanks!
> <
> <Steve AI9IN
> <_______________________________________________
> <Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> <to all interested persons worldwide without requiring membership.
Opinions expressed
> <are solely those of the author, and do not reflect the official views of
AMSAT-NA.
> <Not an AMSAT-NA member? Join now to support the amateur satellite program!
> <Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 9
Date: Sun, 8 Jan 2017 23:15:28 -0600
From: "George Henry" <ka3hsw@xxx.xxx>
To: "James Brown" <jimki6wj@xxxxxxxxx.xxx>, "AMSAT BB"
<amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] IC 910H issues
Message-ID: <E514AB6C5D4040C3BA9A89B38B331D29@xxxxxxx>
Content-Type: text/plain; format=flowed; charset="UTF-8";
reply-type=original
Radio 1: Icom, model IC-910H, COM port 6, CAT delay 70. Baud rate 9600,
address $60, $60, $60, $60. Satellite mode checked, others not checked.
Radio 2 not set. I am using the West Mountain Radio Rig Talk USB dongle to
interface to the radio.
I occasionally see the situation you describe where the bands are reversed
when first connecting to the radio, but un-clicking and re-clicking on the
"C" option corrects it. Otherwise, mine works flawlessly.
George, KA3HSW
----- Original Message -----
From: "James Brown" <jimki6wj@xxxxxxxxx.xxx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>
Sent: Sunday, January 08, 2017 2:24 PM
Subject: [amsat-bb] IC 910H issues
> Hello All
> I recently swapped from FT847 to IC910H. I am using SAT 32 with little
> success. Some of the issues are:
> It appears that after a bit of idle monitoring( waiting for the next sat
> pass) the 910 looses communications with SAT 32.
> When a sat pass is activated the uplink and downlink and associated modes
> are reversed from what is displayed in SAT 32.
> can anyone relay their settings for sat 32 and the 910. maybe I can find
> what is configured incorrectly!
> ThanksJim KI6WJ DM09
---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
------------------------------
Message: 10
Date: Sun, 8 Jan 2017 23:55:15 -0600
From: Jerry Buxton <n0jy@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] AO-85
Message-ID: <f5a35626-c344-27c7-5e0f-cb0b5732b245@xxxxx.xxx>
Content-Type: text/plain; charset=windows-1252
On 1/8/2017 20:03, skristof@xxxxxxx.xxx wrote:
> My gut feeling is that I'm going to have get on the roof this spring and
> check out the antenna connection. The antenna is an M2 turnstile. Yes, I
> know it's not the top choice, but, as I said, it worked pretty well a
> couple of months ago.
Santa's sleigh runners play havoc on any rooftop coax runs.
Jerry Buxton, N?JY
------------------------------
Message: 11
Date: Mon, 9 Jan 2017 07:39:18 -0500
From: Mvivona <Mvivona@xxxxx.xxx>
To: George Henry <ka3hsw@xxx.xxx>
Cc: AMSAT BB <amsat-bb@xxxxx.xxx>, James Brown
<jimki6wj@xxxxxxxxx.xxx>
Subject: Re: [amsat-bb] IC 910H issues
Message-ID: <B8502D6A-DB1E-445E-A60D-2739E20ED217@xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Jim,
My settings are the same as George's.
I also had the issue of intermittent loss of connection and saw some threads
about cable lengths under certain circumstances. I was using a long 6'
cable. I purchased a 3' cable part number RPC-i17-UF made by Valley
Enterprises. It has the C-17 USB FTDI chipset and is designed especially for
the iCom CI-V cat control. After that my problems went away.
Michael KC4ZVA
On Jan 9, 2017, at 12:15 AM, George Henry <ka3hsw@xxx.xxx> wrote:
Radio 1: Icom, model IC-910H, COM port 6, CAT delay 70. Baud rate 9600,
address $60, $60, $60, $60. Satellite mode checked, others not checked.
Radio 2 not set. I am using the West Mountain Radio Rig Talk USB dongle to
interface to the radio.
I occasionally see the situation you describe where the bands are reversed
when first connecting to the radio, but un-clicking and re-clicking on the
"C" option corrects it. Otherwise, mine works flawlessly.
George, KA3HSW
----- Original Message ----- From: "James Brown" <jimki6wj@xxxxxxxxx.xxx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>
Sent: Sunday, January 08, 2017 2:24 PM
Subject: [amsat-bb] IC 910H issues
> Hello All
> I recently swapped from FT847 to IC910H. I am using SAT 32 with little
success. Some of the issues are:
> It appears that after a bit of idle monitoring( waiting for the next sat
pass) the 910 looses communications with SAT 32.
> When a sat pass is activated the uplink and downlink and associated modes
are reversed from what is displayed in SAT 32.
> can anyone relay their settings for sat 32 and the 910. maybe I can find
what is configured incorrectly!
> ThanksJim KI6WJ DM09
---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 12
Date: Mon, 9 Jan 2017 07:53:40 -0800
From: Kelly Keeton <kellyrkeeton@xxxxx.xxx>
To: Ted <k7trkradio@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Icom AND HAM RADIO DELUXE-Sat Control
Message-ID: <C1D3258A-A5C9-4B8E-B4C9-D5873321CDA2@xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
I have always found this answer from HRD to be a total joke. They blame icom
and refuse to just make it work like every other software product on the
market.
Someone on staff likely got a 9100 and wanted it working. Why they made one
radio work and didn't just kluudge other radios working to then just go back
I hope was the choice of the fella who just left the company. Like HRD is
so stable they don't want to jeopardize the high quality product?! Ha.
Why paying customers don't get what they want out of a product they pay for
is a good reason to not pay for the product.
/rant
Sent from a mobile device.
> On Jan 8, 2017, at 3:16 PM, Ted <k7trkradio@xxxxxxx.xxx> wrote:
>
> This information was just posted on the IC-9100 Group. I thought it might
be useful for anyone here struggling with an ICOM (other than an IC-9100)
and HRD. Apparently, the IC-9100 does not have any problem with SatPC32
>
>
>
> 73, Ted
>
> K7TRK
>
>
>
> From: ic9100@xxxxxxxxxxx.xxx [mailto:ic9100@xxxxxxxxxxx.xxxx
> Sent: Sunday, January 8, 2017 6:09 AM
> To: ic9100@xxxxxxxxxxx.xxx
> Subject: [ic9100] Re: IC 9100 AND HAM RADIO DELUXE
>
>
>
>
>
> Ron,
>
>
>
> Last year I had the same problem! Look for the HRD answer:
>
>
>
> "
>
>
> Dear Julio,
>
>
> With RX and TX checked, the frequencies for uplink and downlink should be
adjusted for Doppler effect, however, with the Icom radios there is a major
issue which is due to the design of the radio itself.
>
> All rigs use a set of commands to control their functions.
> The command set is usually included in the operating manual for the rig.
> Any software needs to use these commands to control the various functions
of your rig.
>
> Icom, has elected NOT to include commands in all their rigs to directly
address VFO B or the Sub VFO.
> This makes it difficult to impossible to display or control VFO B.
>
> Some software authors have decided to use a kluge of sorts to work around
this issue.
> They do this by sending the command to swap VFO's - that is, the frequency
in VFO A becomes the frequency in VFO B and vice versa.
>
> The rig control program then reads the data from VFO A and stores it as
VFO B.
> It then swaps the VFOs back to the initial frequencies.
>
> This takes a few microsecond to seconds depending on your
Rig/Computer/Link speed and what data is being shared on the control bus
(remember Icom CI-V is a shared serial data bus).
>
> This is an important consideration as it will interrupt the signal being
received on VFO A for that period of time it is swapping back and forth as
well as getting the data from the rig.
>
> It would make copying data or CW signals impossible as they would be
constantly interrupted for an update of the frequency in VFO B.
>
> While that update may be a very short period of time, it would not be
consistent or predictable.
>
> HRD has elected NOT to place this kludge in it's software because of this
reason with the exception of the IC-9100.
> The IC-9100 in Satellite Mode (ONLY) will perform this swapping of VFOs as
it is necessary for satellite work and the IC-9100 has individual audio
outputs for the two VFOs.
>
> It's important to realize this is a shortcoming on the part of Icom by not
including these commands.
> All attempts to work with Icom to address the issue have met with denial
of a problem from Icom.
>
>
>
>
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>
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>
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>
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>
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> to all interested persons worldwide without requiring membership. Opinions
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------------------------------
Message: 13
Date: Mon, 9 Jan 2017 15:24:51 -0500
From: Robert Bruninga <bruninga@xxxx.xxx>
To: AMSAT <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Friendship 7 details?
Message-ID: <9bdfa4ce06b9ce05b72b81a7461ea68d@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
After seeing the great movie ?hidden figures? last night, I had lots of
questions from my faded memory of the time (it was the same year I got my
ham license and was 14 years old). This Wiki page has a lot? but the
questions lingering in my mind were:
https://en.wikipedia.org/wiki/Project_Mercury
1) Was his mission planned at 3 orbits? (I thought it was more and
then cut to three).
2) If #1, then they must have had to have recovery ships at a
different spot for every potential orbit since he could not maneuver
anything other than when to fire the retros. If it was 7 cut to three,
then I guess they only needed two ship areas?
3) What frequency was CAPCOM? Was it the 108 MHz? I think the
tracking stations all relayed the voice via HF?
4) Also related to #1, if something happened to the pilot, I assume
ground control could fire the retros.
------------------------------
Subject: Digest Footer
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Sent via amsat-bb@xxxxx.xxx.
AMSAT-NA makes this open forum available to all interested persons worldwide
without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT member? Join now to support the amateur satellite program!
http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
End of AMSAT-BB Digest, Vol 12, Issue 6
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