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Software Defined Radio
#1
I've been playing around with the RTL-SDR dongle, it's like $25 from Amazon with a handful of dipoles and mounts.

It's Rx only, but it works quite well and I enjoyed listening to FM radio, along with a few odd 900 MHz channels w/ data, spanish or religious HAM stations, NOAA, and CB.

Anybody else find any good uses for it? I have a few that would fit into "information security" better, but that's for when somebody buys me a HackRF and ships it to my house lmao.
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#2
I've been thinking about getting TV Tuner for, well, umm,
forever. Had a 2nd hand complete video tuner card around
2005 that had every input type available. It Lasted a few
years but eventually began to fail beyond my ability to repair
and maintain. Since then, I figure I could use the exercise
offered me by walking from office computer to lounge TV.
If I had a TV in there I'd only ever leave to get coffee or go
to the toilet, which is right next to this room.

Turning it into a radio tuner, even if wide band, is interesting
but there's app's you can get on your phone to do similar -
so I've been told, and shown once.

I do still have a small dozen-component breadboard PCB FM
transmitter for my PC that I made 10 years ago. Used it as
a demo to a friend recently and played another friend's self
recorded christian songs over the top of a local radio station's
ethnic prayers. (I still have some RE in me...) Has a range of
about 2km which damn good for a length of speaker wire slung
over the curtain rod and powered by 5v from an old ATX power
supply.

Now that I think about it, maybe I will look into a PCI tuner card.
This 4yo mobo, ASUS P8Z77-V with an Intel i5 3470 3.6ghz is
running a bit hot and I've lost two 6gb/s SATA ports. If I bought
a new MoBo I could use this as a remote desktop TV on a spare
1080p monitor on an adjacent table. However, I think they all
come with remote controls anyway so network or remote access
may be pointless. Oh! Unless I also use it as a media center, not
that I need another one. I have an Astone in the lounge and a
N5200 Thecus with 10tb storage.
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#3
(December 17th, 2017, 3:35 am)Colin Fiat Wrote: I've been thinking about getting TV Tuner for, well, umm,
forever. Had a 2nd hand complete video tuner card around
2005 that had every input type available. It Lasted a few
years but eventually began to fail beyond my ability to repair
and maintain. Since then, I figure I could use the exercise
offered me by walking from office computer to lounge TV.
If I had a TV in there I'd only ever leave to get coffee or go
to the toilet, which is right next to this room.

Turning it into a radio tuner, even if wide band, is interesting
but there's app's you can get on your phone to do similar -
so I've been told, and shown once.

I do still have a small dozen-component breadboard PCB FM
transmitter for my PC that I made 10 years ago. Used it as
a demo to a friend recently and played another friend's self
recorded christian songs over the top of a local radio station's
ethnic prayers. (I still have some RE in me...) Has a range of
about 2km which damn good for a length of speaker wire slung
over the curtain rod and powered by 5v from an old ATX power
supply.

Now that I think about it, maybe I will look into a PCI tuner card.
This 4yo mobo, ASUS P8Z77-V with an Intel i5 3470 3.6ghz is
running a bit hot and I've lost two 6gb/s SATA ports. If I bought
a new MoBo I could use this as a remote desktop TV on a spare
1080p monitor on an adjacent table. However, I think they all
come with remote controls anyway so network or remote access
may be pointless. Oh! Unless I also use it as a media center, not
that I need another one. I have an Astone in the lounge and a
N5200 Thecus with 10tb storage.

If you're looking for a TV tuner, get an HDHomeRun. They're more widely supported than tuner cards, they don't support FM/AM though, just ATSC/DVB/QAM.
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#4
(December 21st, 2017, 12:50 am)AE. Wrote:
(December 17th, 2017, 3:35 am)Colin Fiat Wrote: I've been thinking about getting TV Tuner for, well, umm,
forever.

If you're looking for a TV tuner, get an HDHomeRun.  They're more widely supported than tuner cards, they don't support FM/AM though, just ATSC/DVB/QAM.

Thanks for the reference. No am/fm tuner is not that much
of a loss, so many internet broadcasters these days.



Will check it out, but needs to be Aust. Compatible.
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#5
(December 21st, 2017, 12:08 pm)Colin Fiat Wrote:
(December 21st, 2017, 12:50 am)AE. Wrote:
(December 17th, 2017, 3:35 am)Colin Fiat Wrote: I've been thinking about getting TV Tuner for, well, umm,
forever.

If you're looking for a TV tuner, get an HDHomeRun.  They're more widely supported than tuner cards, they don't support FM/AM though, just ATSC/DVB/QAM.

Thanks for the reference. No am/fm tuner is not that much
of a loss, so many internet broadcasters these days.



Will check it out, but needs to be Aust. Compatible.

It seems like they sell different models based on region.  So their basic model for terrestrial signals is the HDHomeRun Connect Duo, which is the HDHR5-US here.  But you would need the HDHR5-2DT(AU).  I'm not sure what the difference between this and the European model is, as my understanding is that both regions use DVB-T for terrestrial broadcasts.


https://www.silicondust.com/hdhomerun/

They also have a commercial model that supports Australia if you're into that sort of thing.

https://www.silicondust.com/product/tech4-2us/
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