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Posts Tagged ‘software defined radio

FLDigi: Decode HF Digital modes with no cables and maybe no radio

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I heard  a few people talking about a program called FLDigi.  So I thought I would see what it’s all about.

The good news is that FLDigi runs on lots of platforms – FreeBSD™; Linux™, OS X™ and Windows™.  The better news, if you just want to listen/decode the digital modes, is that you might not even need any messy connections between your PC and your radio.  And, if you are really clever, you might not even need a radio.  So, “in the best of all possible worlds”, Dr. Pangloss, you can decode real-time digital activity on the HF bands without even having a radio.  Imagine that!

Note:  This posting is primarily for Amateur Radio folks.  No technical background on digital HF modes is provided

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Written by frrl

August 20, 2011 at 3:07 pm

Hands on: Software Defined Radios at your fingertips on the web

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Don’t have a SDR of your own?  Why not play with someone elses SDR over the Internet?

After playing with a few of these I get the idea that … why should I buy hardware if I can use these on-demand?  Have you heard of using OPM (Other People’s Money)?  How about OPR? – Using Other People’s Radios.  The audio is clear, the interface is very easy to use.  Never listened to Ham Radio? – here is your chance.

With the popularity of “the cloud” maybe this should be called “SDR in the Cloud” or “SDR Cloud Services”

Go here to access about 20 SDR’s all over the world – http://websdr.org/
(Click on light spots in the activity waterfall to listen)

Check out who’s on now and where – DX-Sherlock

Get the technical scoop on the basics of SDR –
https://frrl.wordpress.com/2009/03/07/the-basics-of-software-defined-radio/

Watch Burt Fishers (K1OIK) review of the FlexRadio 1500
https://frrl.wordpress.com/2010/11/18/burt-fishers-review-of-the-flex-radio-1500/

Written by frrl

February 24, 2011 at 2:01 pm

Burt Fishers Review of the Flex Radio 1500

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For all you Amateur Radio folks, Shortwave listeners, experimenters, and fans of Software Defined Radios…

You just can’t stop Burt Fisher, K1OIK.  His risk of $600 on the new Flex Radio 1500 Beta gives you this great review of the radio.  A product like the Flex Radio is more like a piece of test equipment than it is a radio for traditional use.  But as you can see, radio and electronic experimentation combined with digital techniques is alive and well both for those who want to build it and for those who … if you build it, they will come. 

Come see Burt Fishers review:

Here are some other video reviews by Burt Fisher of Software Defined Radios

https://frrl.wordpress.com/2009/03/04/software-defined-radio-review-of-the-flexradio-5000/
https://frrl.wordpress.com/2009/05/05/demo-of-the-flex-5000-software-defined-radio/

For the technically inclined – here’s the nitty-gritty
https://frrl.wordpress.com/2009/03/07/the-basics-of-software-defined-radio/

For everyone else –
http://en.wikipedia.org/wiki/Software-defined_radio

Here is the FlexRadio 1500 product page –
http://www.flex-radio.com/Products.aspx?topic=F1.5k_features

Written by frrl

November 18, 2010 at 6:26 am

The basics of Software Defined Radio

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Written by frrl

March 7, 2009 at 4:35 am

Software Defined Radio – Review of the FlexRadio 5000

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Burt Fisher K1OIK strikes again on Software Defined Radio
We wrote an article on one of his videos
Here are all his videos (to date) on the FlexRadio 5000



Not YouTube savy?  Then Lisa Nova is here to help http://www.youtube.com/watch?v=M1aN7H1EmHM

Written by frrl

March 4, 2009 at 4:36 am

Software Defined Radio – Burt Fishers (K1OIK) Review of FlexRadio 5000

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Software Defined Radio:
Burt Fishers (K1OIK) Review of FlexRadio 5000

We already wrote one article about Burt Fisher K1OIK.  This posting is just to draw your attention to Burts Review of a software defined radio – The FlexRadio 5000.

Folks reading reviews QST should be aware that their business model depends heavily on revenue from advertising.  Theoretically, it would not be to their benefit to write less then positive reviews of products – even if it was the truth of the matter.  For example, QST gets advertising dollars from FlexRadio.  If QST wrote a less than favorable review of the Flex Radio products then Flex may pull advertising revenue. 

This is the perennial collision of ethics and business.  Consume Reports maintains objectivity of product reviews by simply making the potential conflict of and advertising dollars vs objective reviews go away by accepting no advertising.  When was the last time you read in any QST review that any produt was not a wise purchase compared to other products on the market in the same category?

This is all to say, product review from real hams with no revenue at stake makes them more objective.  This is not to say they do a high quality or comprehensive review – its just to say that they don’t have a devil over one shoulder wispering revenue impact when they are doing product reviews.

In any case, here is a link to burts video review of the Flex Radio 5000.  This is the first in a series for the Flex Radio.  We suggest you subscribe to Burts YouTube channel

Burts YouTube Channel
http://www.youtube.com/user/burt2481

Review of the Flex 5000A SDR Radio

Resources

Check out the WordPress auto generated related links about Ethics in Jouralism

Soon after that, Eidos threw a $%$#@  and withdrew their advertising from Gamespot. The rumur mill began grinding. The blogs began buzzing. Rumor has it that Gamespot lost hundred of thousands of dollars of future advertising revenue over that one bad review. Rumor has it that Jeff was sacrificed to the almighty dollar. Nobody knows how much of it is true, but the whole thing even made the front page of Slashdot. That’s about as big as a limited interest story like this gets.

Now, to be fair, nobody knows for sure that Jeff was fired for his review. I mean, it could be a coincidence that a respected, high profile, long-tenured writer was put out to pasture immediately after writing a bad review of a game that was responsible for tons of advertising revenue for his website. Maybe they were planning on firing him all along and were just victims of almost impossibly bad timing.

Jeff: Instant celebrity, official status as the “straight-shooting journalist who can’t be bought and sold.” Practically guaranteed another high-profile writing job, perhaps for an organization that understands that reviews are only as good as the perceived integrity of the reviewer.

http://themcp.wordpress.com/2007/12/03/the-ethics-of-journalism-in-games/?referer=sphere_related_content/

Written by frrl

November 24, 2008 at 7:35 pm

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