Monday, October 26, 2009

Parabolic Reflector for USB 3G/EDGE/Wifi

I recently started using wireless broadband for my mobile internet access. While I was able to get around 1mbps at my office location, the coverage doesn't extend well to my housing area. I have to be contented with EDGE. EDGE would still be okay for my occasional internet need at home but the signal strength is so bad that I could barely make any connection.

So, again, I'm off to the internet for a solution. A full parabolic dish would probably be an overkill for my need so I settled with parabolic reflector instead. After about 20 minutes on the PC for the parabolic design and g-code generation; and another 20 minutes on the Sherline CNC, my simple parabolic reflector was born. Made from acrylic (left over from other projects, thus the multiple colors), the reflective portion is covered with the kitchen grade aluminum foil.

As shown above, the reflector can be set vertically on the table or attached to a normal handphone holder bracket for more articulated positioning (below).

How did it perform?
I have no way of measuring true dB improvement but the signal meter on the software provided went up by 2-3 bars when the reflector is used. For now, I could utilise EDGE almost full speed (around 200kbps) without fail. Happy at last... :-)

Thursday, October 8, 2009

Duit Raya... from Google AdSense

As always, me as skeptical as ever... wondering whether Google will actually make the payment since I've heard various horror stories regarding the AdSense payment. Well, my balance finally hit the magic USD100.00 minimum required for payment and I anxiously waited for the moment.

After typical processing time line, I check my account at AdSense again and it was stated that payment has been issued (without any email advising me on the matter). To avoid possible embarrassment at the bank, I called up Western Union customer care to check if the payment is valid and genuine. The Philippine lady who answered my call confirms it.

So, today I went to the bank. The first time I ever receive any money via Western Union. Rushed to the nearest CIMB Bank, fill up a form, waited for the counter to call my number and voila... the proof in sight...