[time-nuts] SDR Radio Opinion ?

Tom Miller tmiller at skylinenet.net
Mon Aug 5 21:47:30 UTC 2013


While I have not done this yet, there is supposedly software that allows 
direct sampling down to DC.

Some of the devices have a hole in the coverage around 1200 MHz so watch 
out. I think the RTL2832 is ok though.


Tom

----- Original Message ----- 
From: "Bob Stewart" <bob at evoria.net>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Monday, August 05, 2013 5:33 PM
Subject: Re: [time-nuts] SDR Radio Opinion ?


Google DVB-T and RTL2832. I bought a device about some months ago for about 
$20. It does actually work as advertised, though this one looks nicer than 
the one I got. Apparently the guy who was writing the linux driver for these 
(Antti Polisaari of Finland) noticed a feature that allowed it to be turned 
into a broadband receiver. It can be commanded to output an 8 bit I/Q stream 
at up to 2,000,000 (more actually) samples per second from 64MHz to around 
1.7GHz. There is an article about them in the Jan 2013 QST. There's at least 
one guy on ebay selling HF converters for them.

Bob - AE6RV




>________________________________
> From: J. Forster <jfor at quikus.com>
>To: hp_agilent_equipment at yahoogroups.com; Tekscopes2 at yahoogroups.com
>Cc: time-nuts at febo.com; TestEquipTrader at yahoogroups.com; 
>ArmyRadios at yahoogroups.com
>Sent: Monday, August 5, 2013 3:56 PM
>Subject: [time-nuts] SDR Radio Opinion ?
>
>
>Has anyone played with this thing?
>
>http://microsat.com.pl/product_info.php?products_id=35
>
>If you add a laptop, is the thing a complete radio? It seems to be far too
>cheap to believe.
>
>-John
>
>===================
>
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