[hpsdr] 2meters and 70cm all mode radio idea.

[Håken Hveem]

There is a radio called CS8000 that is currently under development,
according to the yahoo list it should be capable of d-star.drm etc.
But it does not have a touch screen.



On 08. nov. 2015 09:51, Helmut wrote:
> Hi Haken,
> 
> Thanks for sharing us with your dreams. 
> As a matter of principle you can provide all the required modes, bandwidths and frequencies with the current HPSDR architecture –say a HERMES board plus a well designed VHF/UHF-transverter. The hardware is not the problem!
> 
> Encoding and decoding of these modes has to be done by software, e.g. PowerSDR, cuSDR, ghpsdr3 etc. All digital voice codecs except David Rowe’s codec 2 are properties of the different companies and protected by patents and not available. We have today the funny situation that a DMR radio can’t communicate with a D-star radio.
> 
> BTW we – a group here of SDR enthusiasts and open source fans – are testing David’s open codec 2  since more than one year on the HF bands. The ‘1600’ mode using a FDMDV modem shows disappointing results on HF due to the typical propagation issues like selective fading. However the new redundant ‘700’ mode employing coherent PSK seems to be very effective even down to very low SNRs, when SSB already fails.  When the current development is finished, we will ask our coders to implement this mode perhaps in PowerSDR or other software.
> 
> 73, Helmut, DC6NY
> 
> -----Ursprüngliche Nachricht-----
> Von: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von Håken Hveem
> Gesendet: Sonntag, 8. November 2015 03:19
> An: Hpsdr at lists.openhpsdr.org
> Betreff: [hpsdr] 2meters and 70cm all mode radio idea.
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> 
> My ideas(hardware and firm/software):
> 
> Hardware:
> SD card slot for map data,firmware updates,frequency list etc...
> Bias for electret microphones via jumper.
> Common type standard microphone connector
> Reverse polarity protection on DC power wires.
> 50W or 20W of TX power, 1 X N connector per band.
> (maybe one extra dedicated receiver for APRS traffic?)
> 2meters and 70 cm band, perhaps also 23 cm.
> USB 2.0 or 3.0 port for connection to PC
> on-board USB sound-card for digimode/portable operations ( JT65B EME is
> possible with 50W and a Yagi)
> high SWR protection.
> -40 to +50 operating temperature range.
> CNC cut enclosure,airplane grade aluminum.
> PTT line output for amplifier control.
> Key input (for straight and iambic)
> adequate cooling for high duty-cycle digimodes.
> In-built 1W stereo audio amplifier for directly driving a speaker.
> low battery discharge protection (turns radio off at a battery voltage
> of 10.5Vdc,getting stuck here with a FLAT car battery in the winter
> season is not fun!)
> GPS receiver ( UBLOX NEO-M8N,Supports GPS/QZSS L1 C/A, GLONASS L10F,
> BeiDou B1 SBAS L1 C/A: WAAS, EGNOS, MSAS and is Galileo-ready E1B/C)
> https://www.u-blox.com/en/product/neo-m8-series
> 
> Options:
> Industry Standard TCP/IP network Ethernet interface supports static,
> APIPA or DHCP IP address. (example: can be connected to
> Broadband-Hamnet/HSMM-MESH router and be used as a mobile repeater)
> Blue-tooth (connect headset/cars hands-free system)
> 
> 
> Control head:
> 180x100mm Touchscreen connected to radio with cable or plugs, so the
> head unit can be removed.
> (optional bracket for  x2 DIN mounting in the double DIN hole of a cars
> stereo, this keeps the display unit from blocking areas of the cars
> windscreen, no more flimsy suction cup mountings that looses their grip
> and sends the control head flying at a bad moment.)
> 
> High visibility in colors with automatic brightness regulation(useful
> for night operation)
> 
> Software features:
> display distance and bearing to the nearest APRS/C4FM/D-Star equipped
> radio with adjustable range filter(display only units that is inside xx
> kilometers,also displays beaconed message,this depends on the hardware).
> scanning of stored frequencies and memory groups.
> Automatic mode switching and detection of D-star,C4FM and Codec2 modes.
> ( Example,If the software detects a D-star mode transmission,it switches
> to the correct mode automatic! )
> display altitude and GPS info.
> GPS track logging.
> display speed/bearing of travel.
> Open software (GNU license)?
> 
> compatibility with maps from openstreetmap:
> Suggested routing software(unsure about licensing for commercial usage etc):
> http://sourceforge.net/projects/gosmore/
> http://code.google.com/p/monav/
> 
> 
> Modes:
> D-star
> DMRE-MARC
> APRS
> NFM
> AM
> SSB
> C4FM
> Codec2 ( http://www.rowetel.com/blog/?page_id=452 Bruce Perens, K6BP )
> 
> I suggest the name:
> Skíblathnir
> 
> This radio,if ever built will be a strong competitor against
> Icom,Keenwood and Yeasu that has systems/modes that is not cross compatible.
> 
> Sadly,i do not know anything about building radios or programming so i
> am unable to build anything like this even if i know how to assemble a
> computer from parts and solder my own coax connectors.
> 
> Input and comments please!
> 
> 
> 
> 
> 73 DE LA1RMA
> 
> 

-- 
Håken Hveem
Welhavensgate 11A
2317 Hamar.