*****TAKE A LOOK**** Here is my first antenna for SDR, dual band dipole build
Posted: 10 Aug 2017, 20:45
HI all, first post here,
Just wanted to upload pictures of my first antenna i made for SDR, its tuned to the pbr bands.
Was made with:
a Portable site light,
2 mop handles
plastic bottle to enable the mop handles to wedge onto the site lamp, also actiing as a protection from short circuit
Choc-o-block with some sky coax core to connect the block to the dipole
and a scrap bit of wood so i can wedge it in my attic.
Cable was the stock one from the sdr unit (nooelec nesdr smart) chopped from the base end
rubber end caps where recycled from the stand of the site light
this was a freebee knock up for internal use only.
I scraped the paint off the mop handle where the cable connects to the mop and sellotaped it in place, ( I know screws with propper terminals woudl work better, but remember the site lamp is also metal and i cannot screw into the end of the antenna
SWR not known because i dont have a swr metre.
Works 100 times better than the stock SDR antenna in the bands in intent to use them on, the stock antenna are poor for my use
Bandwidth should be nice and wide due to the thickness of the mop handles
No slating me i know what a balun is, this is why i never made a off centre dipole and made the cuts as close to the mm as possible
Not bad for a first attempt,
Hope you enjoyed looking at my first dipole,
Just wanted to upload pictures of my first antenna i made for SDR, its tuned to the pbr bands.
Was made with:
a Portable site light,
2 mop handles
plastic bottle to enable the mop handles to wedge onto the site lamp, also actiing as a protection from short circuit
Choc-o-block with some sky coax core to connect the block to the dipole
and a scrap bit of wood so i can wedge it in my attic.
Cable was the stock one from the sdr unit (nooelec nesdr smart) chopped from the base end
rubber end caps where recycled from the stand of the site light
this was a freebee knock up for internal use only.
I scraped the paint off the mop handle where the cable connects to the mop and sellotaped it in place, ( I know screws with propper terminals woudl work better, but remember the site lamp is also metal and i cannot screw into the end of the antenna
SWR not known because i dont have a swr metre.
Works 100 times better than the stock SDR antenna in the bands in intent to use them on, the stock antenna are poor for my use
Bandwidth should be nice and wide due to the thickness of the mop handles
No slating me i know what a balun is, this is why i never made a off centre dipole and made the cuts as close to the mm as possible
Not bad for a first attempt,
Hope you enjoyed looking at my first dipole,