Rabu, 22 September 2010

Tips's memperluas jangkauan sinyal wireless indoor

Pada umumnya jangkauan sinyal wireless 2.4Ghz berbeda beda, tergantung dari power sinyal yang dipancarkan oleh Acess Point dan antena gain, serta lokasi disekitarnya .
Namun untuk memaksimalkan sinyal wireless di lokasi anda, baik di rumah, di kantor, di Cafe, di Hotel, di Sekolah dan dimanapun, anda perlu mengetahui apa yang menyebabkan sinyal wireless melemah selain jarak.
Yang menyebabkan sinyal wireless melemah adalah :
    * Halangan tembok dan besi aluminium
    * Sinyal Wireless telepon cordless
    * Sinyal dari Acces Point lain yang menyebabkan Noise
    * Jarak maximal Access point ke Client
Setelah anda mengetahui hal tersebut diatas, beberapa tip's n trick yang dapat anda lakukan untuk memaksimalkan jangkauan sinyal wireless anda adalah :

Minggu, 12 September 2010

Dengar Radio Online

Star FM - Surabaya
HardRock FM - Surabaya
DJ FM - Surabaya

Rabu, 01 September 2010

Grain Size Diagram

The size of the particles in a certain soil can be represented graphically in a grain size diagram, see Figure below.

grainsizediagram
Such a diagram indicates the percentage of the particles smaller than a certain diameter, measured as a percentage of the weight.

GRAIN SIZE


Soils are usually classified into various types. In many cases these various types also have different mechanical properties. A simple subdivision of soils is on the basis of the grain size of the particles that constitute the soil. Coarse granular material is often denoted as gravel and finer material as sand. In order to have a uniformly applicable terminology it has been agreed internationally to consider particles larger than 2 mm, but smaller than 63 mm as gravel. Larger particles are denoted as stones.