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I have been using satsignature.com for looking at spectrum plots. The spectrum is displayed in dBm. Can I estimate a peaks CNR (or maybe it's SNR) by dividing the height of a peak by an estimate of the height of the noise near it?
For instance, a peak maxes out at -65 dBm starting from a baseline of -75 dBm for a difference of 10 dBm. Near this peak there is noise that varies from -74 to - 76 dBm for a difference of 2 dBm. Would a crude estimate of the CNR be 10 / 2 = 5? Even If this is correct I'm not sure whether it's a CNR or SNR.
Furthermore, I would like to be able to decide what size dish they are using on a particular satellite by maybe comparing an estimate of my CNR (or SNR) to what I see on their dish. That way I could possibly decide whether I should be able to receive a particular feed on my puny 7.5' dish by looking at their plot. Any way to maybe do that?
For instance, if it turns out that I estimate they have a 10' dish (twice the area of mine) then I think I would subtract 3 dB from any CNR/SNR that I calculate from their spectrum plots to crudely approximate my expected CNR/SNR. Or am I just way out in left field?
Your take on this would be appreciated.
DRCars
For instance, a peak maxes out at -65 dBm starting from a baseline of -75 dBm for a difference of 10 dBm. Near this peak there is noise that varies from -74 to - 76 dBm for a difference of 2 dBm. Would a crude estimate of the CNR be 10 / 2 = 5? Even If this is correct I'm not sure whether it's a CNR or SNR.
Furthermore, I would like to be able to decide what size dish they are using on a particular satellite by maybe comparing an estimate of my CNR (or SNR) to what I see on their dish. That way I could possibly decide whether I should be able to receive a particular feed on my puny 7.5' dish by looking at their plot. Any way to maybe do that?
For instance, if it turns out that I estimate they have a 10' dish (twice the area of mine) then I think I would subtract 3 dB from any CNR/SNR that I calculate from their spectrum plots to crudely approximate my expected CNR/SNR. Or am I just way out in left field?
Your take on this would be appreciated.
DRCars
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2500 views
TWiT Tech Podcast Network
Time for another AWESOME video from the TWIT Network!
View: https://www.youtube.com/shorts/oRVxjGm0qtE
Direct YouTube Link - Tim Cook, Elton John & King Charles: A Royal Tech Event
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View: https://www.youtube.com/shorts/oRVxjGm0qtE
Direct YouTube Link - Tim Cook, Elton John & King Charles: A Royal Tech Event
TWIT's Website
TWIT Live Feed
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0 views
TFLEV
Time for another AWESOME video from TFL Electric Vehicles!
View: https://www.youtube.com/watch?v=MyF_RH1m0mc
Direct YouTube Link - Watch the New Tesla Roadster Jump, Fly and Barrel-Roll in Mid-Air!
View: https://www.youtube.com/watch?v=MyF_RH1m0mc
Direct YouTube Link - Watch the New Tesla Roadster Jump, Fly and Barrel-Roll in Mid-Air!
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6 views
TWiT Tech Podcast Network
Time for another AWESOME video from the TWIT Network!
View: https://www.youtube.com/shorts/0k5iT-OlpdE
Direct YouTube Link - The Apple HomeView
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TWIT Live Feed
View: https://www.youtube.com/shorts/0k5iT-OlpdE
Direct YouTube Link - The Apple HomeView
TWIT's Website
TWIT Live Feed
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1 views
Pub Member / Supporter
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54 views
But.....if you like Tulsa King....looks like you would probably like this as well. I don't mind spin-offs as long as they don't involve a sassy niece who moves from the big cityAnother Tulsa King spin off.
I thought I would come here and find lots of complaints about the update to the dish anywhere mobile app, but am not seeing any. It used to look just like the desktop webpage. Now you can no longer filter by sports channels or movie channels. Plus that they made it look like a big button telephone and you see fewer channels in the screen which requires more scrolling. Yes I realize you can look at sports then select which sport you want to look at, I just liked being able to see all sporting events in the guide with all other channels being filtered out. Am I alone in the wilderness on this?
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51 views
Anyone else watch this show? Any guesses as to what was in the box Gibbs gave to Abby that was on her desk? It look liked it was glowing.
I also heard that someone was leaving the show at the end of this season. Any guesses as to who thats going to be?
I also heard that someone was leaving the show at the end of this season. Any guesses as to who thats going to be?
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214683 views
Tony as the director.
Would you rather have LaRoche ???Tony as the director.
No. Bring in someone new.
Tony is not serious enough for me. Parker is too close to the team and Tim is too young to take over IMO.
I don't think Tim and Tony are that far apart in Age ...No. Bring in someone new.
Remember what Tony said to Tim when they first got back together ...
Tony said: I am the New Tony, Tim .... (something to that effect)
Tony has changed, he's been running his Security Business ... I'm sure he has grown up.
Give it time ... your judging the New Tony from the old Tony.
It sounds like Tim won't be around the Team much longer either.
Pub Member / Supporter
Lifetime Supporter
Might be worth a watch when it comes out. Looks like typical big corp against the little guy movie BUT....there is a reason this plot type is so oft repeated, it draws audiences.
View: https://www.youtube.com/watch?v=_-f9OGsKHd4
View: https://www.youtube.com/watch?v=_-f9OGsKHd4
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10 views
Lifetime Supporter
If you're going try to read / listen to the book (can't recommend the audio book enough) before this comes out, I'd avoid trailers.
Trailer below, spoiling it to make sure you read the above bold message first. The book / audio book are fantastic. Go into this blind if you can IMO!
Kind of disappointed at how much they show. A lot still to see, but man, some good reveals in the book that are just served up here.
Trailer below, spoiling it to make sure you read the above bold message first. The book / audio book are fantastic. Go into this blind if you can IMO!
Kind of disappointed at how much they show. A lot still to see, but man, some good reveals in the book that are just served up here.
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714 views
"Project Hail Mary" should be on Prime Video starting Friday, July 3.
www.ign.com
'It Is Time Go!' — Project Hail Mary Is Officially Coming to Prime Video
Amazon has confirmed that Project Hail Mary will be coming to Prime Video.
www.ign.com
That's what I will be watching this weekend."Project Hail Mary" should be on Prime Video starting Friday, July 3.
'It Is Time Go!' — Project Hail Mary Is Officially Coming to Prime Video
Amazon has confirmed that Project Hail Mary will be coming to Prime Video.
Lifetime Supporter
Schedule drops tomorrow. Mandatory mini camps in June. Hall of Fame game August 6th.
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1618 views
Y
Browns lose a close one with... The Jets. That is a classic Browns loss (granted, any loss is a classic one it seems). 49'ers, Vikings, and Chiefs remain undefeated. The AFC north have a three way tie at 3-2 for second place.
A big win for the Patriots, and they are now 3-2.
Browns lose a close one with... The Jets. That is a classic Browns loss (granted, any loss is a classic one it seems). 49'ers, Vikings, and Chiefs remain undefeated. The AFC north have a three way tie at 3-2 for second place.
Troy Aikman seems to confirm he'll be leaving ESPN
Aikman says he looks forward to "where my next landing spot will be."
www.nbcsports.com
M
Hopefully nowhere near a microphone.Troy Aikman seems to confirm he'll be leaving ESPN
Aikman says he looks forward to "where my next landing spot will be."
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Lifetime Supporter
I had quit watching this show years ago because I ended up more annoyed than entertained. Well......I'm STILL more annoyed than entertained. I DO find it interesting to see how things work behind the scenes at many businesses. What annoys me is how utterly out of touch CEOs are with the companies they run. At the end of almost every episode the head of the company is amazed at how hard the employees have to work and many times have to work around impossible guidelines set forth from headquarters.
I found this one interesting because the new CEO had big plans for this company, Muscle Maker Grill, and it looked like the stores were all pretty busy. Recent history hasn't been good to this company however. I bet the covid lockdowns were the real killer.
View: https://www.youtube.com/watch?v=yIhZm0qkz0o
I found this one interesting because the new CEO had big plans for this company, Muscle Maker Grill, and it looked like the stores were all pretty busy. Recent history hasn't been good to this company however. I bet the covid lockdowns were the real killer.
View: https://www.youtube.com/watch?v=yIhZm0qkz0o
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9 views