Thanks Mark. I was listening via the Goonhilly Downs Earth Station feed at the end of last month. I've an LNB, and an SDR dongle so just need to locate a bias T and some cables for initial tests. For those who might not know, if the received audio sounds 'low in frequency' (Popeye voiced) tap or click on the 'lower' fine tuning button a couple of times, and if it sounds too high, like Mickey Mouse, use the 'raise' fine tuning button.
This is tremendously done! Bravo mate! I host a TH-cam podcast that helps to teach ham radio and encourage people to come into our hobby. I also do product reviews as well as try to explain different ways that we make communications in amateur radio. I’m going to cover a full show on satellite communication today and I’d like to use your video because it’s so well describes everything. I’ll be sure to credit your video in the description section of my show and link it so that people can find your page and subscribe to it. Very well done mate! Wow. Even though we can’t use it here in the States, it’s a great teaching tool of how amateur satellites work and help us make long-distance communications without the ionosphere to help us. Thank you for making such a well organized and well done video here! All the best to you from Oregon mate, Larry de K7HN
That’s not a bad idea, but setting up a receiver is far less expensive than setting up the transmitter part. I think for less than £20 you can get a dish, make a bias tee and use a cheap rtl sdr and then you’d have a receiver. I have all the bits apart from a dish, so hopefully will have all that soon and make a video on it. I think this is actually quite exciting and a lot less of a ball ache than trying to TX through moving satellites. Thanks for watching :)
I personally don't like having to much equipment, you need two dishes. I would like to see it condensed down to one dish which is foldable and backpackable, and a small SDR which connects to a phone or tablet. Still early days yet though.
Working through a satellite with different frequencies for RX and TX is not particularly new, but what is new is the fact it’s in one fixed location, which means no more having to move the antennas to track the satellite as it passes over head. But I totally agree with you, a nice neat solution would be great for Sota etc. I believe the uplink doesn’t have to be a dish, you can use a high gain beam, and at 23cm the antenna wouldn’t be that big. I did see someone online had built a box with rx and TX units all in one, I’ll try find it. 👌
@@TechMindsOfficial This isn't particularly new. We had something very similar with AO13 and AO40 where the satellites would hang out near apogee in their Molniya orbits for about 8 hours or so and you didn't need to move your antennas all day. The difference is each day it hung over a different part of the world giving everyone in the northern hemisphere a chance at using it. It would approximately repeat its position about every 3 days.
That's super cool What do you guys think it's the best super cheap sdr with quite a wide band? I would love to pull images from satellites but i'm on a budget Any tips? Thank you
@@TechMindsOfficial thank you! This hobby looks so cool i mean.... The possibilities are a lot! As a space nerd ai wanted to try it about 6 or 7 months ago but seemed too difficult
The first, but not the first attempt. The first geostationary amateur satellite was Oscar 13, but it had a malfunction in it that prevented proper contacts.The idea was to be able to communicate between N. American and Europe. I guess the telcos. of the day didn't like that idea much as it would have allowed essentially FREE long distance between the continents.
AO13 was not geostationary. AO13 was in a highly elliptical Molniya orbit. It did hang fairly still in the sky for about 8 hours around apogee, but then came screaming back down at perigee and went back up over a different part of the world the next day. On the third day, it would be back in your sky. AO13 satellite didn't have a malfunction, it worked great for about 8 years, but required a fairly large antenna system to work it due to its very high altitude and weak signal strength. Its low perigee eventually caused it to reenter. AO40 is probably the one you're thinking about with the malfunction. It never reached its design orbit (which was also highly elliptical and not geostationary) for various reasons, and died an early death due to an explosion on board and a battery failure. It was an incredibly ambitious satellite. For the short while it operated it was incredibly strong.
Thanks Mark. I was listening via the Goonhilly Downs Earth Station feed at the end of last month. I've an LNB, and an SDR dongle so just need to locate a bias T and some cables for initial tests. For those who might not know, if the received audio sounds 'low in frequency' (Popeye voiced) tap or click on the 'lower' fine tuning button a couple of times, and if it sounds too high, like Mickey Mouse, use the 'raise' fine tuning button.
i knew that 2.4m dish would come in handy one day!
Thanks Mark for the upload. Regards Carl.
This is tremendously done! Bravo mate!
I host a TH-cam podcast that helps to teach ham radio and encourage people to come into our hobby.
I also do product reviews as well as try to explain different ways that we make communications in amateur radio.
I’m going to cover a full show on satellite communication today and I’d like to use your video because it’s so well describes everything.
I’ll be sure to credit your video in the description section of my show and link it so that people can find your page and subscribe to it.
Very well done mate! Wow.
Even though we can’t use it here in the States, it’s a great teaching tool of how amateur satellites work and help us make long-distance communications without the ionosphere to help us.
Thank you for making such a well organized and well done video here!
All the best to you from Oregon mate,
Larry
de K7HN
If you didn’t mind the latency you could just used the Gooney Hill WebSdr as a receiver, and just have a 2.4 ghz transmitter dish.
That’s not a bad idea, but setting up a receiver is far less expensive than setting up the transmitter part. I think for less than £20 you can get a dish, make a bias tee and use a cheap rtl sdr and then you’d have a receiver. I have all the bits apart from a dish, so hopefully will have all that soon and make a video on it. I think this is actually quite exciting and a lot less of a ball ache than trying to TX through moving satellites. Thanks for watching :)
I personally don't like having to much equipment, you need two dishes. I would like to see it condensed down to one dish which is foldable and backpackable, and a small SDR which connects to a phone or tablet. Still early days yet though.
Working through a satellite with different frequencies for RX and TX is not particularly new, but what is new is the fact it’s in one fixed location, which means no more having to move the antennas to track the satellite as it passes over head. But I totally agree with you, a nice neat solution would be great for Sota etc. I believe the uplink doesn’t have to be a dish, you can use a high gain beam, and at 23cm the antenna wouldn’t be that big. I did see someone online had built a box with rx and TX units all in one, I’ll try find it. 👌
@@TechMindsOfficial This isn't particularly new. We had something very similar with AO13 and AO40 where the satellites would hang out near apogee in their Molniya orbits for about 8 hours or so and you didn't need to move your antennas all day. The difference is each day it hung over a different part of the world giving everyone in the northern hemisphere a chance at using it. It would approximately repeat its position about every 3 days.
Thanks for making this, it's really helpful for a first look at the satellite. Think I might build something for this now:-)
You’re welcome :) maybe work you in the satellite some time 👌
Thank you. Was just listening to this signal tonight, had no idea what it was. Finally figured it was USB. Interesting stuff at 10489690.00 kHz,
Your videos are so interesting!👍
Thank you! I’m glad you like them and I hope they provide some kind of inspiration. 🙏
@@TechMindsOfficial yeah!
That's super cool
What do you guys think it's the best super cheap sdr with quite a wide band?
I would love to pull images from satellites but i'm on a budget
Any tips?
Thank you
Well, NooElec sdrs are very good and are what I use in conjunction with my SDRPlay devices. The NooElec sdrs are really reasonably priced too!
@@TechMindsOfficial thank you!
This hobby looks so cool i mean.... The possibilities are a lot!
As a space nerd ai wanted to try it about 6 or 7 months ago but seemed too difficult
Need a Ham Geosat system for North America :) de VE7DAO / VA7ISS
That would be awesome!
Es una lastima que en el continente Americano no hay una iniciativa a si
How to access the high power laser ?
You need special permission for that, watch out for a future video! 😝
The first, but not the first attempt. The first geostationary amateur satellite was Oscar 13, but it had a malfunction in it that prevented proper contacts.The idea was to be able to communicate between N. American and Europe.
I guess the telcos. of the day didn't like that idea much as it would have allowed essentially FREE long distance between the continents.
AO13 was not geostationary. AO13 was in a highly elliptical Molniya orbit. It did hang fairly still in the sky for about 8 hours around apogee, but then came screaming back down at perigee and went back up over a different part of the world the next day. On the third day, it would be back in your sky. AO13 satellite didn't have a malfunction, it worked great for about 8 years, but required a fairly large antenna system to work it due to its very high altitude and weak signal strength. Its low perigee eventually caused it to reenter. AO40 is probably the one you're thinking about with the malfunction. It never reached its design orbit (which was also highly elliptical and not geostationary) for various reasons, and died an early death due to an explosion on board and a battery failure. It was an incredibly ambitious satellite. For the short while it operated it was incredibly strong.