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旧 Feb 4th, 2010, 09:30   只看该作者   #181
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默认

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作者: sthunter 查看帖子
请问110、119有什么free的英文新闻频道吗?

No news, just NASA, ION and ppv preview. You'll better off by installing an over the air attenna to get local news such as CityTV, CTV and CBC.
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感谢 budgie
此篇文章之用户:
sthunter (Feb 4th, 2010)
旧 Feb 4th, 2010, 10:03   只看该作者   #182
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默认

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问大家个奇怪的问题啊。
因为我在的地方比较偏,没办法弄到便宜的大口径锅,所以收118的时候似乎有点痛苦,但我最近又弄了口60厘米左右的锅,我能否用两口锅对一颗星,两个LNB的信号连在一个口上?
且不说是否工作,两个lnb收到的信噪比一样,合起来不会增加总信噪比,所以应该没有改善。
应该用大锅,增加总信噪比才是正路。或用两个小锅聚焦到一个lnb上?如有可能应该有改善。
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旧 Feb 4th, 2010, 11:48   只看该作者   #183
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默认

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且不说是否工作,两个lnb收到的信噪比一样,合起来不会增加总信噪比,所以应该没有改善。
应该用大锅,增加总信噪比才是正路。或用两个小锅聚焦到一个lnb上?如有可能应该有改善。
两口锅,好歹增加3db的强度吧。不然那些天线阵列也就没有存在的必要了。
两口锅聚焦?你当我用太阳能锅烧菜啊,不说其他的,就是一个如何对星都是大问题了。
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旧 Feb 4th, 2010, 12:32   只看该作者   #184
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默认

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作者: tomgod 查看帖子
两口锅,好歹增加3db的强度吧。不然那些天线阵列也就没有存在的必要了。
问题是3+3=6?还是3+3=3?或3+3=0?信号讲究的是信噪比,不是太阳能发电,只要总电流上去了就行了。 另外天线列阵也不是想你想像的那样简单的排列。

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两口锅聚焦?你当我用太阳能锅烧菜啊,不说其他的,就是一个如何对星都是大问题了。
我知道很难,所以加了一个“如有可能”, 因为我知道几乎不可能,看贴不仔细。但只有增加聚焦面积才能真正改善信噪比。
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旧 Feb 4th, 2010, 14:21   只看该作者   #185
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默认

在小锅外延增加一圈铁皮,或在小锅2侧也可以,稍微有点弧度,实际就是增加锅的面积。
不过这个技术比较难做到,应该可以一试。
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旧 Feb 4th, 2010, 15:38   只看该作者   #186
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Question 有一个问题?

请教:

我的机子是kbox progiy,如果我要收95或97°,是不是还是可以用?(不用连网线了是吗?),但是我要买一个linear LNB和33寸以上的大锅,是吗?95和97是不是很难对上???

多谢!
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旧 Feb 4th, 2010, 16:30   只看该作者   #187
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默认

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作者: ppppp 查看帖子
请教:

我的机子是kbox progiy,如果我要收95或97°,是不是还是可以用?(不用连网线了是吗?),但是我要买一个linear LNB和33寸以上的大锅,是吗?95和97是不是很难对上???

多谢!
放心,机器肯定可以用,但锅不一定了,据说要上39寸的或者干脆上C波的大家伙。
哎,可惜我还没买房子,不然真的是应该把上回看到的废品站里的大家伙抗走。
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旧 Feb 4th, 2010, 16:34   只看该作者   #188
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默认 还是回到锅贴来问吧

请问,用以前收118.5,119的LNB能收95W吗?我昨天试着把里面的隔片给拆掉了,还是没收到。

也试过以前的121头,收91很容易,就是95从来没看到过。这两个仰角差一度,水平差5度而已。是不是参数设的不对啊


我昨天用 Feq 10750,加了TP 11780 H 20760 3/4 不知道对不对。


谢谢各位
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旧 Feb 4th, 2010, 16:59   只看该作者   #189
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默认

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同志们苦口婆心,你自己看着办吧。
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用pplive看吧。免费卫星总有熬出头的那一天
看了几天PPSTREAM,ROGERS来信说超流量了。

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旧 Feb 4th, 2010, 18:06   只看该作者   #190
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默认

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作者: 爱因思念 查看帖子
看了几天PPSTREAM,ROGERS来信说超流量了。
还来信?当年我用10G流量限制的某家,结果一超就被他们把速度限在3k上了,真真的是当了几天的3k党啊。
然后我跟他们的技术大吵一场,结果........从此我的速度上限也被取消了,我的流量也是无线的了,幸福啊...........
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旧 Feb 4th, 2010, 18:30   只看该作者   #191
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默认

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还来信?当年我用10G流量限制的某家,结果一超就被他们把速度限在3k上了,真真的是当了几天的3k党啊。
然后我跟他们的技术大吵一场,结果........从此我的速度上限也被取消了,我的流量也是无线的了,幸福啊...........
别气我了,我升级到90G的下载量。不过我真的跟ROGERS掰,那么久了也不给个DISCOUNT。
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旧 Feb 4th, 2010, 18:52   只看该作者   #192
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Arrow

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放心,机器肯定可以用,但锅不一定了,据说要上39寸的或者干脆上C波的大家伙。
哎,可惜我还没买房子,不然真的是应该把上回看到的废品站里的大家伙抗走。
C波的大家伙到底是什么家伙?请指教!添个图吧!
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旧 Feb 4th, 2010, 21:25   只看该作者   #193
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默认

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C波的大家伙到底是什么家伙?请指教!添个图吧!
就是直径两米以上的大锅,一锅能把82,91,95,110,118,119,121甚至127都搞定的玩意。
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旧 Feb 5th, 2010, 09:21   只看该作者   #194
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默认 C band dish

http://www.satsig.net/pointing/dish-pointing-insat-2e-satellite-1.jpg
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旧 Feb 5th, 2010, 09:23   只看该作者   #195
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默认

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http://www.satsig.net/pointing/dish-pointing-insat-2e-satellite-1.jpg
泥节个四太夸张了吧!
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旧 Feb 5th, 2010, 10:59   只看该作者   #196
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Question

那个lnb 得多大?
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旧 Feb 5th, 2010, 12:27   只看该作者   #197
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默认

请问36"的锅,能收到82,91,110,118,119的信号.能不能不动锅,收95的信号.
也想买个线性LNB收95星的免费中文台.
哪儿能买到线性LNB.
谢谢.

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旧 Feb 5th, 2010, 12:39   只看该作者   #198
qwertyonly
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默认

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作者: sunchem 查看帖子
请问36"的锅,能收到82,91,110,118,119的信号.能不能不动锅,收95的信号.
也想买个线性LNB收95星的免费中文台.
哪儿能买到线性LNB.
谢谢.
当然能,而且很容易,不用动锅,只要把个线性lnb和91的lnb绑在一起(如果面对着锅,帮在91的右面),上下调一下lnb的仰角就行了。
线性lnb在ebay或local都很容易买到。
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旧 Feb 5th, 2010, 13:38   只看该作者   #199
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作者: qwertyonly 查看帖子
当然能,而且很容易,不用动锅,只要把个线性lnb和91的lnb绑在一起(如果面对着锅,帮在91的右面),上下调一下lnb的仰角就行了。
线性lnb在ebay或local都很容易买到。

请问绑在对110的LNB旁边行吗?谢谢!!
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旧 Feb 5th, 2010, 14:17   只看该作者   #200
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默认

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作者: zhezhejj 查看帖子
请问绑在对110的LNB旁边行吗?谢谢!!
110远了点,不能直接绑,要用支架了。从网上找来张图,你参考一下110和97的位置关系,95在97和91之间,靠97的地方。

http://www.chinasmile.net/forums/attachment.php?attachmentid=38458&stc=1&d=1265397280

此帖于 Jan 5th, 2011 10:27 被 qwertyonly 编辑。
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感谢 qwertyonly
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zhezhejj (Jul 10th, 2010)
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