ATHENS 
MY WEATHER STATION, BY DIMITRIS
Location: Peristeri of Athens, Greece
Position: 38 00.58' NORTH / 23 42.04' EAST
Elevation: 63 meters
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Replace antenna weather station
I make a modification antenna console-out remote sensor for better receiver-transmition signal ,after modification i have double distance signal .

Here it is console model before 2003 .Before modification it had for antenna over to PCB a square I put it a red cable one-ply 0,5 mm for antenna 34,6 cm L /2 tuning wave 433 Mhz , from a trimmer over right place Here it is the console after 2003 model .Before modification it was L/4 tuning wave about 17,3 cm antenna
the right side
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And here it is after modification with cable antenna 34,6 cm L/2 tuning wave Here it is the original antenna over to PCB for out remote sensor before modification And here it is the modification antenna out remote sensor with white cable one-ply 0,5 mm antenna 34,6 cm L/2 tuning wave
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And here is ready with closed the plastic
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Replace antenna temperature station
Here i make a modification antenna temperature station - out remote sensor for better receiver-transmition signal ,after modification i have double distance signal .

Here it is the temperature station . Here i open it with 4 screws from back . I put it a cable one-ply 0,5 mm for antenna 34,6 cm L /2 tuning wave 433 Mhz , from a trimmer over right place,i make a coil 0.8 cm diameter,for make the coil i use a screwdriver.
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Here it is the out remote sensor from temperature station Here i open it with 4 screws from back and I put it a cable one-ply 0,5 mm for antenna 34,6 cm L /2 tuning wave 433 Mhz ,i make a coil 0.8 cm diameter over a screwdriver. And here with soldering iron i put the coil at trimmer the right side.
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