Welcome to my Blog or I would rather say to my Home Page. The content here is mostly for my own use, i. e. to organize my interests/hobbies and to make it possible to recap what I have found is of interest for me. Some of it may also be of interest for you and I will be glad to share it. As you can see this Home Page has somewhat a focus on amateur radio/amateur astronomy & satellite. That is because my main hobby is or has been Astronomy,Satellite, Amateur Radio with my callsign 9W2DDA.Sometimes it is watching or digital photography.Digital Product It depends on my mood of the day. That is why the content here has a widespread focus on little here and there. My name is Dr.Mohd Anuar and I live in Cenang Beach Langkawi Island District 1979-2022,Moving Kuala Muda District (Tikam Batu, Sungai Lalang, Sungai Layar, Sungai Petani, Gurun) Black History Happened 2020-2022 My Shophouse, Has Been Transferred Due To The Struggle Of Inheritance, And My Shophouse Was Demolished By The Al Ehsan Mosque, Without Proper Compensation.

Khamis, 22 April 2010

Antenna adakah anda Faham

Sample vertical Antenna

Data Diagram dB

Antenna Vertical Sebuah antena yang menerima gelombang elektromagnet dan menghantar gelombang elektromagnet hanya sesuai menghantar di bawah atmosfera ( lapisan troposfera & estratosfera )0-50km dari bumi sahaja dan boleh menerima gelombang elektromagnet dari satellite.
Antenna Vertical seperti slim jim.V24,Diamond dan sewaktu denganya.






Antenna Satellite Dish Adakah anda tahu Satellite Dish iaitu Antenna Separa Bulatan ( parabola ).Kenapa Antenna Parabola dicipta berdasarkan Rupa bentuk bumi dan rupa bentuk alam semesta.

Antenna Parabola adalah sebuah antenna recaive yang terbaik menerima signal dari semua Satellite tidak kira kormesial,cuaca,amatur serta lain lain satellite.

Antenna Parabola boleh menghantar gelombang elektromagnet dalam kuasa yang tinggi (50-3Kilowat/1khz-2000Ghz/5dB-500dB) dan menerima gelombang elektromagnet dalam semua lapisan atmosfera 0-1000km dari paras bumi.


Antenna Yagi merupakan antenna yang bekerja semacam Antenna Parabola,Menerima dan Menhantar gelombang elektromagnet,kuasa berdasarkan element ( bilangan bilah antenna)
HF,VHF,UHF berdasarkan Band Radio (5-3kilowat/6dB-50dB/3 element-30 element)




Bagaimana kita pengemar Hobi komunikasi sepatutnya perlu faham tentang antenna,
walaupun ulasan saya ringkas sahaja. Antenna adalah aspek utama selain Equipment Komunikasi lain seperti muka bumi,wayar.kuasa,penjagaan dan lain aspek.

Sepatutnya Pengemar Hobi Komunikasi pelukan 2 jenis antenna iaitu penghantar(Transmit) dan penerima( Recaive).

Berbaloi-baloi.....QSO...Chat...Net...All Mode Digital....All Band.
9w2DDA.
dR.Mohd Anuar

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