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Digital DX Comunitatea pasionatilor de receptii terestre & satelit
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sato Membru


Data inscrierii: 18/Mar/2013 Mesaje: 48
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Trimis: 09/06/2013 21:52 Titlul subiectului: Extended C band 4.5-4.8 GHz |
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It`s been 2 years since my friend Peon tried reception in the extended C band 4.5-4.8 GHz. Unfortunately he wasn`t lucky that time. After so many months he decided to give it a try today again and here come the results:
Arabsat 5A @ 30.5°E (locked on the following frequencies):
4556 RHCP, SR 1000,FEC 1/4, QPSK
4672 RHCP, SR 12000, FEC 3/4, 8PSK
4714 RHCP, SR 4860, FEC 5/6, QPSK
4720 RHCP, SR 4860, FEC 5/6, QPSK
There is data transmission on all transponders.
[url=http://www.99poze.ro/p/909da8638a91bdf74ef1cf78636d0f96.jpg] [/url]
Insat 3C @ 74.0°E
4743 H - 1-2 dB is needed to get lock
[url=http://www.99poze.ro/p/79993b7155d5eaef129d1c69cbdc08c3.jpg] [/url]
Unfortunately, Peon's 2.5m PF dish doesn't seem to be big enough at the ocazie to get Insat beam, as ca. a 2.7m dish is needed to get at least 1 transponder locked. The good news is that there is a 3.7m dish ready to be installed later this year in Peon's garden, so hopefully this will help to get more transponders from Insat 3C.
[url=http://www.99poze.ro/p/2e896f0f929b6b072b7ffb605267187c.jpg] [/url] [url=http://www.99poze.ro/p/5121ac4661fceeda6dfb41625b9ddacb.jpg] [/url]+[url=http://www.99poze.ro/p/502f8569d573eb12c936a703eda89e55.jpg] [/url] [url=http://www.99poze.ro/p/172549a79c7df37677ad7f6b393f46fb.jpg] [/url] [url=http://www.99poze.ro/p/63dff24a9a764700c39aa349122b0672.jpg] [/url][url=http://www.99poze.ro/p/482014099c4c6adbbd6bfa4f716f2769.jpg] [/url]
Ultima modificare efectuata sato la 19/06/2018 12:46, modificat de 2 ori in total
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marluck Senior


Data inscrierii: 12/Mar/2012 Mesaje: 5950 Localitate: Bucuresti , micro 7
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Trimis: 09/06/2013 21:55 Titlul subiectului: |
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 _________________ PFA 2,2 m Ku / C : 105 E - 15 W ; ATX-91 UHF horizontal G = 18db + Amp.36db Canak & Rotor 360° ; Fortis-Raptor HS-8200 DVB-S2/S DVB-T2/T DVB-C Internet Tv + DLNA , Router TP-LINK TL-WR841ND v.7 300 Mbps , HDD USB 1TB , Sony Ericsson T250i + T280i ,Rec. Carrefour PCR 334,Blpkt Santiago CR87,Grundig Yachtboy 400,Sony SRF-59 MW wonder walkman - Kchibo KK 979 https://www.youtube.com/watch?v=PFx3a7KfN0c- Bucuresti-Stavropolie Tatarka Tv Black Sea Dx Tropo UHF 2015 1253 km |
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bonou2 Senior

Data inscrierii: 14/Mar/2012 Mesaje: 552 Localitate: Baia-Mare
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Trimis: 11/06/2013 22:47 Titlul subiectului: |
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sato Membru


Data inscrierii: 18/Mar/2013 Mesaje: 48
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Trimis: 14/05/2014 20:37 Titlul subiectului: |
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SES 6 @ 40.5W
4553 R Blomberg Latin America, SR 6667, FEC 3/4,DVB-S, QPSK, MPEG-2, V 1260, A 1120 en/1121 AC3 eng, clear
[url=http://www.99poze.ro/p/ca47918baf51bf01abf6f00453e5edd1.jpg] [/url]
4641 L - ca. 2dB under the lock threshold (possible reception with 3m+ dish)
[url=http://www.99poze.ro/p/7d8d2971c2663d076150c51d51248506.jpg] [/url]
Peon used his Norsat 8115IF LNB to get the results above even his 2.5m dish is not big enough for the second frequency. Well, the time to set up his 3.7m PF dish is coming...
Anyway, the Norsat 8115 IF is not the only one lnb that we currently have for this band. There are also 3 pieces of RSC 2245-IND lnbs that will be later use for some tests.
[url=http://www.99poze.ro/p/b701526b4211a1293450bbd759fbe90a.jpg] [/url] [url=http://www.99poze.ro/p/548c9dc80eeefd67f85c574024806c2c.jpg] [/url] [url=http://www.99poze.ro/p/147122b3711166bdce3184faf869256b.jpg] [/url] [url=http://www.99poze.ro/p/9bf9562d27aa90dd9545b0f46d2eba12.jpg] [/url]
What`s more, I`d like to point out to one very interesting lnb. Superior Satellite from Montana, USA sells their 8000RI DRO LNB that covers 3.625-4.8 GHz band. LO stability at 5.75 Ghz is ±500 kHz and noise temperature 20K (identical to Norsat 8520). The price is unknown to me yet as Peon has his 8115 IF lnb that is probably the best lnb on the market for a reasonable price. Of course there would be some interest, but even if the LNB is very impressive, it can not receive full C band. It would be impossible to get frequencies as low as 3.4 GHz because every receiver has tuner that works to 2150 Mhz only.
5750-3400=2350 MHz
http://www.superiorsatelliteusa.com/pdf/8000RI-LNB.pdf |
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bonou2 Senior

Data inscrierii: 14/Mar/2012 Mesaje: 552 Localitate: Baia-Mare
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Trimis: 18/05/2014 09:22 Titlul subiectului: |
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marluck Senior


Data inscrierii: 12/Mar/2012 Mesaje: 5950 Localitate: Bucuresti , micro 7
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Trimis: 22/05/2014 21:52 Titlul subiectului: |
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 _________________ PFA 2,2 m Ku / C : 105 E - 15 W ; ATX-91 UHF horizontal G = 18db + Amp.36db Canak & Rotor 360° ; Fortis-Raptor HS-8200 DVB-S2/S DVB-T2/T DVB-C Internet Tv + DLNA , Router TP-LINK TL-WR841ND v.7 300 Mbps , HDD USB 1TB , Sony Ericsson T250i + T280i ,Rec. Carrefour PCR 334,Blpkt Santiago CR87,Grundig Yachtboy 400,Sony SRF-59 MW wonder walkman - Kchibo KK 979 https://www.youtube.com/watch?v=PFx3a7KfN0c- Bucuresti-Stavropolie Tatarka Tv Black Sea Dx Tropo UHF 2015 1253 km |
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bonou2 Senior

Data inscrierii: 14/Mar/2012 Mesaje: 552 Localitate: Baia-Mare
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Trimis: 30/05/2014 19:45 Titlul subiectului: |
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sato Membru


Data inscrierii: 18/Mar/2013 Mesaje: 48
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Trimis: 26/11/2015 18:53 Titlul subiectului: SES 6 @ 40.5W |
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Things are getting better in this band and there are new active transponders on SES 6 @ 40.5W again. The content is more than interesting as there are also UHD channelssuch as NASA UHD available.
Note: NASA UHD picture will be posted later as Peon`s trying to figure out how to show the full picture as VLC makes little troubles with this station.
4544 R 20660 3/4 8PSK DVB-S2 (UHD package)
4581 L 30000 5/6 8PSK DVB-S2 (Power Vu)
4641 L 30000 3/5 8PSK DVB-S2 NET TV (shown)
[url=http://www.99poze.ro/p/1b7a16b98d1d72decb62e642f503dc83.jpg] [/url] [url=http://www.99poze.ro/p/f79b59542c0eb181f89b5ef615faf99e.jpg] [/url] [url=http://www.99poze.ro/p/7b8814269ff46d3d9da3ac6328821166.jpg] [/url] |
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marluck Senior


Data inscrierii: 12/Mar/2012 Mesaje: 5950 Localitate: Bucuresti , micro 7
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Trimis: 26/11/2015 19:21 Titlul subiectului: |
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- Nice ! Very good news !  _________________ PFA 2,2 m Ku / C : 105 E - 15 W ; ATX-91 UHF horizontal G = 18db + Amp.36db Canak & Rotor 360° ; Fortis-Raptor HS-8200 DVB-S2/S DVB-T2/T DVB-C Internet Tv + DLNA , Router TP-LINK TL-WR841ND v.7 300 Mbps , HDD USB 1TB , Sony Ericsson T250i + T280i ,Rec. Carrefour PCR 334,Blpkt Santiago CR87,Grundig Yachtboy 400,Sony SRF-59 MW wonder walkman - Kchibo KK 979 https://www.youtube.com/watch?v=PFx3a7KfN0c- Bucuresti-Stavropolie Tatarka Tv Black Sea Dx Tropo UHF 2015 1253 km |
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claudiu Membru

Data inscrierii: 24/Noi/2015 Mesaje: 10 Localitate: bucuresti
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Trimis: 27/11/2015 08:07 Titlul subiectului: curiozitate |
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@marluck
vad ca esti din bucuresti ,ai idee daca a reusit cineva in zona asta sa receptioneze 40W? |
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marluck Senior


Data inscrierii: 12/Mar/2012 Mesaje: 5950 Localitate: Bucuresti , micro 7
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Trimis: 27/11/2015 09:25 Titlul subiectului: |
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- Din pacate nu depasesc spre vest 12,5 W.... _________________ PFA 2,2 m Ku / C : 105 E - 15 W ; ATX-91 UHF horizontal G = 18db + Amp.36db Canak & Rotor 360° ; Fortis-Raptor HS-8200 DVB-S2/S DVB-T2/T DVB-C Internet Tv + DLNA , Router TP-LINK TL-WR841ND v.7 300 Mbps , HDD USB 1TB , Sony Ericsson T250i + T280i ,Rec. Carrefour PCR 334,Blpkt Santiago CR87,Grundig Yachtboy 400,Sony SRF-59 MW wonder walkman - Kchibo KK 979 https://www.youtube.com/watch?v=PFx3a7KfN0c- Bucuresti-Stavropolie Tatarka Tv Black Sea Dx Tropo UHF 2015 1253 km |
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claudiu Membru

Data inscrierii: 24/Noi/2015 Mesaje: 10 Localitate: bucuresti
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Trimis: 27/11/2015 10:35 Titlul subiectului: hm |
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| din pacate si eu am cerul deschis pina pe la 30west dupa care am un copac urias. Fiind in strada sint la bunavointa spatiilor verzi sa il toaleteze si sa-mi faca putina deschidere. |
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