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The time now is 28.03.2024 - 13:41


airfiber11ghz a poplatky za 11ghz pasmo u nas?

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midnight_man
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 19.09.2016 - 18:48 #111637
Majster


Joined: Feb 14, 2011
Posts: 2544

porovnavat 17 a 11g je troška odveci..... 17G na dlhsie skoky je totalny nezmysel. Kto ma 17g vie ako sa to chova ked riadne zaprsi.
 
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edusko
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 19.09.2016 - 19:01 #111638
Guru


Joined: Aug 14, 2008
Posts: 1149

kolko by si chcel 17 strielat ? myslim ze tych 20km pojde
 
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tomdeep
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 08:24 #111641
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Joined: Dec 07, 2012
Posts: 13

edusko wrote: ›kolko by si chcel 17 strielat ? myslim ze tych 20km pojde

Dusan takuto kokotinu vies trepnut jedine ty
 
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frido13
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 08:59 #111642
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Joined: Sep 20, 2005
Posts: 279

tomdeep wrote: ›
edusko wrote: ›kolko by si chcel 17 strielat ? myslim ze tych 20km pojde

Dusan takuto kokotinu vies trepnut jedine ty



videl som nasadenu 17ku ray ide aj cez 20km ale nižšia kapacita
 
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kotol
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 09:18 #111643
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Joined: Júl 14, 2005
Posts: 1590

ist to pojde aj na 30km ale staci par kvapiek a je to dole...
 
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midnight_man
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 11:51 #111645
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Joined: Feb 14, 2011
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http://sk.alcoma.com/vypoctova-tabulka
http://www.racom.eu/eng/products/microw ... alculation

pre tych ktory si myslia ze 17tka je na viac ako 5km odporucam....

dostudovat fyzikalne zakony, pripadne vyuzit hentie vypoctove kalkulacky.
 
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xtome2
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 16:37 #111650
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Joined: Aug 14, 2011
Posts: 209

siae alfo plus ma vykon +18dbm a bazvypadkove ACM ked tam hodis 2 x 120 paraboly pojde to v pohode aj cez 10km. ja mam taku skusenost ze mi husty dazd zhodi spoj tak 3 krat do roka po 15min cez silnu letnu burku myslim ze to sa este da
 
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midnight_man
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 16:52 #111652
Majster


Joined: Feb 14, 2011
Posts: 2544

tak +18 db je zase niečo ine.... ale to sa bavime o tom ze nasobne prekracujes EIRP....
 
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xtome2
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 17:49 #111653
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si spominal fyzikalne zakony, tie to umoznuju. Very Happy
 
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edusko
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 19:37 #111654
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Joined: Aug 14, 2008
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to tomdeep robil som spoj ray 17 na 15km a neni s tym problem zatial ani jeden vypadok
 
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pixall
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 22:46 #111656
Majster


Joined: Okt 21, 2003
Posts: 4247

edusko wrote: ›to tomdeep robil som spoj ray 17 na 15km a neni s tym problem zatial ani jeden vypadok


k postaveniu takeho spoja musi byt clovek bud uplne neznaly, alebo to musi byt maximalne ignorantske hovado... v 17ghz je povolenych 100mW EIRP, teda 20dBm, co znamena ze pri 60cm antene (zisk cca 38db) moze byt na vystupnom konektore zariadenia najvac -18 dBm..
http://www.teleoff.gov.sk/data/files/25921.pdf

pri dodrzani povoleneho vykonu, 60cm antenach, modulacii QAM256 a _ziadnej_ rezerve na unik je maximalny dosah spoja cca 1.9 - 2.0 km.. unikova rezerva 20db bude pri tejto vzdialenosti ak sa pouzije modulacia QPSK...

ak si ignorantske hovado kupi spoj s +22 dBm vystupnym vykonom a vydrbe to naplno aby mu to dopalilo na 20-30 km, EIRP je tam cca 1000 W, teda _desattisickrat_ viac nez je povolene.. desattisickrat.. desattisickrat!!!!!! kuafix..
 
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xtome2
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 22:57 #111657
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Joined: Aug 14, 2011
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nech prvy hodi kamenom ten ko este nikdy neprekrocil povoleny vykon.... Very Happy

myslim ze siae pri 4QAM vie ist aj +22dbm
 
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pixall
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 20.09.2016 - 23:42 #111658
Majster


Joined: Okt 21, 2003
Posts: 4247

xtome2 wrote: ›nech prvy hodi kamenom ten ko este nikdy neprekrocil povoleny vykon.... Very Happy


nech hodi kamenom ten kto este neprekrocil povolenu rychlost... ale isto uznas ze je rozdiel, ci niekto v obci prekroci 50km/h o par km/h, alebo ci pojde _desattisickrat_ viac nez je povolene, teda 500 000 km/h - pre tych co si nevedia predstavit, je to blava-kosice za 3 sekundy.. to nie je trochu viac, to je proste fest brutalne a masakralne nad limit...

nedavno som sa na tuto temu bavil s jednym cechom a podla jeho slov CTU prave tieto 17ghz spoje s brutalne prestrelenymi vykonmi uz celkom riesi, a nema s tym ani vela roboty, nemusi to ani merat, pretoze tie spoje nie je mozne vobec technicky zregulovat do povoleneho vykonu, a konstrukcne zasahy do radioveho zariadenia su zakazane. takze ak je zariadenie na streche a je zapnute, rovno aj bez merania moze ist pokuta..
 
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midnight_man
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 21.09.2016 - 12:17 #111659
Majster


Joined: Feb 14, 2011
Posts: 2544

som rad ze tu ma niekto ešte kusok rozumu....

Ešte sa všetci tesime ako nam 17Ghz dobre chodi..lenze ked si tu vsetci zacnu stavat 20km spoje v 17tke na plne gule tak už nikomu nič nepojde.

Synchro nie je UBNT, ked to zaciti rušenie...ste dojazdili.

To iste je AF, vsetci sa tesia ze za malo penazi vela muziky. Len počkajte ked sa naplni pasmo a všetkym to prestane chodit.....
 
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rado3105
Post subject: RE: airfiber11ghz a poplatky za 11ghz pasmo u nas?  PostPosted: 22.09.2016 - 21:14 #111665
Majster


Joined: Júl 11, 2008
Posts: 2311

viktor paniku tu siria uz 10 rokov...a pozri ake toky tecu vzduchom...a o preziarenych vykonoch tu radsej pomlcim....poznam mnohych co ine slova a ine skutky...a tie AF idu ako teple rozky spytaj sa v asbise kolko ich rocne predaju....asi ich slovaci predavaju do afriky, kedze tu sa nepouzivaju:)

a znova opakujem co ide a bezi s tym sa nik nechvali....
 
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