Feb
4
2010

Do you truly understand the SDR concept?

SDR Concept articleA lot of magazine and articles have already covered the principles of software defined radio. Most of them contain mathematical equations which require a greater level of math. Certainly, without math there would be no SDR, but I believe, that the concept of SDR can also be explained without. Let me show you the SDR concept from a different point of view!

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Jan
31
2010

Vintage style Ham Radio video

Just found a cool vintage style video Ham Radio video on You Tube. Lately Ham Radio Operators had again some press attention (even on CNN) about assisting in communications after the terrible earthquake in Haiti. After having seen the video below, I must admit that the way and the mission haven’t changed much over the years.

Enjoy the video!

 


Jan
27
2010

Contest station KH7XS for sale!

KH7XU Contesting Antenna TowerAre you looking for an awesome  new property with a “ready-to-go” contest station? Should it be in a DX location, but with western standards? If you just answered these questions with “yes”, then you’ll be interested in this offer! Today, Bill, KH7XS / KH7B announced the sale of his hawaiian property.

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Jan
27
2010

2009: More SDR kits sold than commercial Transceivers?

Softrock kits highly demanded in 2009Did you know that in 2009 more than 6000 Softrock kits have been ordered? Isn’t this an impressive number? Even having no concrete figures how many HF transceivers have been sold this year by the major brands like Yaesu and Icom, the trend is unoverseeable. The popularity of Software Defined Radio has increased significantly in 2009.

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Dec
25
2009

FA-SDR-TRX part #3 – the Transmitter

FA-SDR-TRX-Software-Defined-Radio-PCB

In the third article we will have a deeper look into the TX path of the FA-SDR-TRX. All components will be discussed, including the optional 1 Watt amplifier.

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Dec
9
2009

FA-SDR-TRX part #2 – The Receiver

FA-SDR-TRX-Software-Defined-Radio-PCBAfter a systems view on the FA-SDR-TRX, it’s time to go into more detail. This post is dedicated to FA-SDR-TRX’s receiver.

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Dec
8
2009

FA-SDR-TRX part #1 – Systems View

FA-SDR-TRX-Software-Defined-Radio-PCBThe FA-SDR-TRX is an allband low cost software defined radio. The FA-SDR-TRX was created by Harald DL2EWN an described in an article series in the German Ham Radio Magazine Funkamateur. After the big success of the single band kits like Softrock, SDR4080 or Genesis, the FA-SDR-TRX is the next step in the evolution of SDR kits. Thanks to the support of Harald I’m able to provide a detailed description of the concept behind FA-SDR-TRX.

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Dec
6
2009

My (bad) experiences with Audible.com

Audible Problems I’m a fan of Audio Products. I’m daily listening to Music and Podcasts produced by both, amateurs and professionals. In preparation of the upcoming vacations, I decided to finally make a step out of the Itunes store and to signup for an Audible.com account.

24 Hours later I’m deeply disappointed up and I just canceled my membership.

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Nov
29
2009

Google Wave Invitations to give away

Google Wave LogoI have to give away 8 Google Wave invitations!

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Nov
24
2009

Podcast on HPSDR Software Defined Radio

Software_Defined_Radio-PodcastDo you know what Mercury, Penelope and Pandora have in common? Yes, they are important characters in greek mythology. But did you know that there is also a Software Defined Radio Project with components called like this? The High Performance Software Defined Radio (HPSDR) project is currently the most sophisticated SDR project, lead by the Amateur Radio community. Yesterday, I stumbled upon the HPSDR Podcast! Continue Reading »