PS-54 PICO balloon APRS Olivia San Jose USA

Discussion about orbiting satellite, and balloon launches
VK3YT
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PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Sun Sep 13, 2015 2:19 am

FYI,

PS-54 was released at 6:50am local time this morning from San Jose USA (Sat 12 Sep 2015)

Solar powered party balloon, 10mW TX.
APRS on 144.390Mhz initially, call sign W6/VK3YT-11.

Olivia 8/250 with RSID on 434.649Mhz USB (Dial frequency) outside of USA where permitted , call sign PS-54

Tracking as PS-54 on SNUS http://spacenear.us
and VK3YT-11 on APRS.FI http://aprs.fi/#!call=a%2FVK3YT-11&time ... &tail=3600

Prediction

Image

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK2PR » Sun Sep 13, 2015 7:16 pm

G'day Andy, what's the story behind launching from the US?
Peter
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK1KW » Sun Sep 13, 2015 11:43 pm

I guess we will never see PS-54 here :wink:
Regards
Rob
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Mon Sep 14, 2015 1:22 am

VK2PR wrote:G'day Andy, what's the story behind launching from the US?
I am here for a few weeks, so thought I should do some test runs while I am here :)

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK1KW » Mon Sep 14, 2015 8:08 am

Excellent Andy - show 'em how its done - best wishes.
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Rob
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3DXE » Mon Sep 14, 2015 11:42 am

It'll be really interesting to see how these northern hemisphere releases fare, given the quite different land/ocean distributions.
Alan VK3DXE
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK7ZA » Mon Sep 14, 2015 4:23 pm

Andy,

Do you have details of the radio board payloads? I took a look around your site, but can't details of the on-board radio you're using.

I'm rather keen on trying something like this myself.

Ta,
Lance

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Mon Sep 14, 2015 5:48 pm

VK7LDC wrote:Andy,

Do you have details of the radio board payloads? I took a look around your site, but can't details of the on-board radio you're using.

I'm rather keen on trying something like this myself.

Ta,
Lance
Hi Lance,
The tracker is based on a Si4460 RF chip, on a custom board. The design is not open source, but if you are interested in a small APRS tracker for balloons, check this out https://www.tracksoar.com
Regards,
Andy

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK2PR » Mon Sep 14, 2015 7:14 pm

VK3YT wrote:
VK2PR wrote:G'day Andy, what's the story behind launching from the US?
I am here for a few weeks, so thought I should do some test runs while I am here :)
Good on you Andy! Have fun, hope you enjoy it.

73!
Peter
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Wed Sep 16, 2015 7:03 am

PS-54 has reappeared and is heading towards LA.
Looks like it is following me :)

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK4ALF » Wed Sep 16, 2015 9:06 am

I was wondering if it had just dropped out of vhf / uhf range and by the look of it that's what happened .

who would have thought a little balloon could spark so much interest and experimatation

Andy thanks so much for all your work on these projects

Len Falknau VK4ALF

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK5EI » Thu Sep 17, 2015 4:36 pm

Well done Andy, I thought it may have done a hook turn and heading home :D

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK7HH » Fri Sep 18, 2015 9:25 am

How did the APRS network in the US cope? I imagine there would be thousands of APRS stations that could see the balloon at any one time. Did it cause congestion?

http://aprs.fi/info/a/VK3YT-11
vk3yt.png
vk3yt.png (11.08 KiB) Viewed 1525 times

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Fri Sep 18, 2015 2:24 pm

VK7HH wrote:How did the APRS network in the US cope? I imagine there would be thousands of APRS stations that could see the balloon at any one time. Did it cause congestion?

http://aprs.fi/info/a/VK3YT-11
vk3yt.png
Hi Hayden,

The balloon did add some extra traffic, but at one compressed packet per 5min it didn't look like a massive impact.
I was monitoring off-the-air but didn't see any melt-down or anything close.

WIDE2-1 is the standard recommended path for balloons here, and there were balloon launches on the same day that used WIDE2-1, 60s TX interval, with minimal impact to the network.

From the emails I received it appears that the fellow hams here are more amused at the VK station doing loops over their cities than getting upset at the extra traffic.

Andy

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK7HH » Fri Sep 18, 2015 2:31 pm

Hi Andy,
Excellent. Good job and keep up the good work.

Yes most interesting. I reckon a lot of the digi's would of been in range at any one time, but good on the path etc.

Regards
Hayden

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3KCX » Sat Sep 19, 2015 7:15 am

Hi Andy, has there been any followers on 70cm Olivia?

- David - VK3KCX

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK3YT » Sun Sep 20, 2015 1:52 pm

VK3KCX wrote:Hi Andy, has there been any followers on 70cm Olivia?

- David - VK3KCX
Hi David,
PS-54 doesnt send Olivia in the U.S., only EU if it ever makes it there.
434MHz is not ISM freq here, it is on 300Mhz range, and I didn't want to
touch unknown territory this time :)
Regards,
Andy

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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK1KW » Thu Sep 24, 2015 12:39 pm

Is PS-54 still flying?
I guess the real problem is that only about 96% (if that) of the world is covered by APRS or 434Mhz so a combination HF WSPR system would be preferred for full tracking coverage or something using ISS or spacecraft relay would be good.
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Rob
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK2FAK » Thu Sep 24, 2015 1:11 pm

Hi All...

Rob as of a day ago, PS-54 was still in the air and doing ok..

Its not moving much away from the US and Mexico at this stage... its been out of range the last day or so as it moved into the Pacific Ocean....

John
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Re: PS-54 PICO balloon APRS Olivia San Jose USA

Post by VK1KW » Thu Sep 24, 2015 1:40 pm

Thanks John.
Did I put 96% coverage?
I should have put 6% coverage - I should re read my typing next time.
Regards
Rob
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