[hpsdr] [Dayton] Like to see at least one post here every day!

[Eric Ellison]

Folks

 

Just like to see at least one post a day here so I can still feel a pulse in
my veins! Thanks guys, hang in here, progress is fun!

 

A thanks to Lyle Johnson KK7P for presenting all our HPSDR interests at the
SDR Forum in Dayton:

 

Here is a snippet of the forum abstracts:

 

Dayton Hamvention Forums - Software Defined Radio

Date: Saturday May 20, 2006

Time: 12:00 to 17:00

 

Forum Title:

"Software Defined Radio - Groundswell to Tidal Wave"

Moderator:       Eric Ellison - AA4SW - V31SR

 

Ever since Gerald Youngblood K7SDR published a series of articles in QEX
magazine and offered the first, off the shelf SDR transceiver, Ham's
worldwide have been forging ahead into the "Future of Radio". Although not
the only exploration into SDR, at the time, the SDR-1000 and GPL PowerSDR
open source code has been a major engine to spur new exploration. Indeed a
very common remark on the various forums is "SDR has brought the enjoyment
back into ham radio for me!" Once again hams are at the very leading edge of
radio both in concept as well as SDR enabled operational modes. Not all
major SDR efforts can be covered in such a short forum, however, here is a
sampling of many fantastic experiments and full blown projects going on from
hardware to software to future possibilities.

 

Websites:         http://www.hamsdr.com/

                        http://www.n9vv.com/hamradio.html

 

Teamspeak VoIP Voice Forum (24/7 Group voice Conference - "VoIP worldwide
repeater") 

<http://flex-radio.com/forums/viewtopic.php?p=8021
<http://flex-radio.com/forums/viewtopic.php?p=8021&sid=835fd441dbd83611c229a
98c293cf529#8021> &sid=835fd441dbd83611c229a98c293cf529#8021>

 

Title:                 High Performance SDR FPGA Project: Lego, Anyone?


Presenter:         Lyle Johnson - KK7P

Website:           http://hpsdr.org/

Abstract:

 

The HPSDR is an open source (GNU type) hardware and software project
intended as a "next generation" Software Defined Radio (SDR) for use by
Radio Amateurs ("hams") and Short Wave Listeners (SWLs). It is being
designed and developed by a group of SDR enthusiasts with representation
from interested experimenters worldwide.

 

The design is modular, so an experimenter can choose the bits and pieces
required to implement his own creation.  This is similar to creating
something from Lego blocks.

 

The initial system consists of a motherboard/chassis to contain and power
the modules, along with a few building blocks for SDR.

 

The resulting device might be used as an IF interface between a radio and
the USB port a PC, much like a soundcard.  Or it might be a high-speed
digitizing system to implement an HF spectrum analyzer.  Or it could be a
self-contained, portable radio transceiver.

 

Key to the design of the first few modules is the use of Field Programmable
Gate Arrays, or FPGAs.  These are chips whose characteristics you can
define!  Draw a schematic and the chip implements it.  Or describe the
function in words, and the chip performs it.

 

The first modules are coming from Australia, the UK and the USA.

 

ATLAS: The backplane that ties things together (Phil, N8VB).

 

JANUS: The Analog-to-Digital and Digital-to-Analog module (Phil, VK6APH and
Bill, KD5TFD)

 

LIONHEART: USB interface for PC-based applications (Leon, G1HSM)

 

MERCURY: 130 MHz Direct Sampling A/D (Phil, N8VB)

 

This talk will briefly describe the HPSDR project and the implications for
PC- and non-PC-based Amateur SDR.

 

 

 

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