Great L-Band Performance
Great L-Band Performance
The performance of the SDRPlay in the L-Band is just simply astonishing!
Received pretty strong iridium signals with an omnidirectional antenna (GPS-QFH)
Received pretty strong iridium signals with an omnidirectional antenna (GPS-QFH)
Last edited by retux on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
Can you post some info regarding your antenna? I would like to build or buy one. Do you have a source?
Thanks
Thanks
Last edited by K2TL on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
I guess he is using a Vaisala RS92 weather sonde, they send them up all around the world a couple times a day and is just to track and go get them when they fall back down, google Radiosonde. I have moded one to, not tested yet tho.
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Last edited by micked on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
Yes, your guess is exactly right. Although I don't use the electronics of the weather sonde. I just cut the PCB and soldered on a sami rigid coax with SMA connector:
You could try to build a QFH by yourself but i suppose it might be a little bit difficult because of the small size.
On the SDRPlay page on Facebook Paul Jones posted a design for a vivaldi-antenna. This type of antenna might be easier to build. Just remember that vivaldi antennas are directional.
You could try to build a QFH by yourself but i suppose it might be a little bit difficult because of the small size.
On the SDRPlay page on Facebook Paul Jones posted a design for a vivaldi-antenna. This type of antenna might be easier to build. Just remember that vivaldi antennas are directional.
Last edited by retux on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
Thanks. I have seen Radiosonde on eBay. Maybe i will pck one up if the price is right.
Last edited by K2TL on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
Great Idea to get for the antenna, $20.00 on ebay, can't go wrong there....
Paul - NN4F
Paul - NN4F
Last edited by NN4F on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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Re: Great L-Band Performance
Hi,
nice setup, how do you mount the antenna - are you using a dish or do you mount it on a stand and point it to the satellite.
i am asking because i am using the following equipment:
Logper antenna:
LNA4all:
60 cm Offset Dish:
SDRplay
This setup works more or less but SNR is max @16db which is pretty bad, irdidum is much more worse....
So maybe you have a pic for me of your setup - thanks
nice setup, how do you mount the antenna - are you using a dish or do you mount it on a stand and point it to the satellite.
i am asking because i am using the following equipment:
Logper antenna:
LNA4all:
60 cm Offset Dish:
SDRplay
This setup works more or less but SNR is max @16db which is pretty bad, irdidum is much more worse....
So maybe you have a pic for me of your setup - thanks
Last edited by 0815 on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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