[amsat-bb] Re: AO-51 telemetry

[Andrew Rich]

I have been using the sound card up until i got a KPC9612

I am happy to say the 9612 does as well as the sound card and vice versa.

Doppler is noticable on 435.150 MHz.

I like AO-51 telem because it is there more often than GO-32.

I have been using agwpe sound card at 9k6.

Data (9k6) output on my icom 706 mkii g

Antenna is a 10 turn helix. LHCP

Happy hunting.

20:18:04R PACBLS-8>PACBLS-8 Port=1 <UI Len=18>:
PACBLS S Meter = 0
20:18:08R PACB-1>TIME-1 Port=1 <UI Len=64>:
PHT: uptime is 048/06:13:25.  Time is Sat Dec 15 10:22:29 2007

20:18:10R PACB-1>TLMS-1 Port=1 <UI Len=35>:
C0:0D C1:44 C2:F6 C3:2F C4:04 C5:01
20:18:10R PACB-1>TLMD-1 Port=1 <UI Len=74>:
WOD:2 ATP:0 BMW:1 BMS:0 CTS:1 CTN:168 CTL:147 CTE:Fri Dec 21 13:26:01 2007
20:18:10R PACB-1>LSTAT Port=1 <UI Len=46>:
I P:0x13A8 o:0 l:29251 f:29251, d:1 st:5 e:2f
20:18:20R PACB-1>TLMS-1 Port=1 <UI Len=35>:
C0:0D C1:44 C2:F6 C3:2F C4:04 C5:01
20:18:20R PECHO-11>VK5HI Port=1 <UI Len=9>:
[ PID BB ]
20:18:20R PACB-1>LSTAT Port=1 <UI Len=46>:
I P:0x13A8 o:0 l:29251 f:29251, d:1 st:5 e:2f
20:18:20R PECHO-11>PBLIST Port=1 <UI Len=10>:
PB: VK5HI
20:18:46R PACBLS-8>PACBLS-8 Port=1 <UI Len=18>:
PACBLS S Meter = 0
20:18:47R PECHO-11>PBLIST Port=1 <UI Len=11>:
PB: Empty.
20:18:48R PACB-1>TIME-1 Port=1 <UI Len=64>:
PHT: uptime is 048/06:14:05.  Time is Sat Dec 15 10:23:09 2007

20:18:50R PACB-1>LSTAT Port=1 <UI Len=46>:
I P:0x13A8 o:0 l:29251 f:29251, d:1 st:5 e:2f
20:19:04R PECHO-11>STATUS Port=1 <UI Len=12>:
B: 31221474
20:19:07R PECHO-11>PBLIST Port=1 <UI Len=11>:
PB: Empty.



----------------------------------------------------------------------------
Andrew Rich VK4TEC
vk4tec at people.net.au <mailto:vk4tec at people.net.au>
http://www.tech-software.net




-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org]On
Behalf Of Bruce Semple
Sent: Thursday, 20 December 2007 5:16 AM
To: Ed Tump; amsat-bb at amsat.org
Subject: [SPAM] [amsat-bb] Re: AO-51 telemetry
Importance: Low


Hi Ed,
I have not done it recently (I mostly work with GO-32), but I was
using my laptop soundcard and MixW to decode AO-51 9K6 downlink.

The biggest issue with 9K6 audio is that it will not pass through the
normal audio filtering circuits in your transceiver.   Your
transceiver needs to have a
"data in/out port -- or have some internal switching circuitry to
allow the computer sound card (or an external TNC for that matter
)  "direct" access to the FM detector (for receive) and the varacter
for transmit - (ie -- no normal audio filtering / conditioning
circuits in the path)


At 01:29 PM 12/14/2007, Ed Tump wrote:
>Folks,
>
>Can I use a soundcard TNC connected to a radio to receive the 9600
telemetry
>from AO51 or must I have a hardware TNC?
>
>73,
>
>Ed
>
>KC9GWK
>Grid EN52
>
>AmSat Member
>
>
>
>
>
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