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Re: Open Source Hardware...
A few years back, there was an organization that developed two open source phone called the Openmoko Neo and Freerunner. The devices were nearly entirely open source... Everything but the GSM Radio,
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A few years back, there was an organization that developed two open source phone called the Openmoko Neo and Freerunner. The devices were nearly entirely open source... Everything but the GSM Radio,
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By
Tyrell Berry <kd7kuj@...>
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#99
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Re: Codec2
I would add that there has been a lot of work done looking at tandeming vocoders. Conclusion a noticeable loss in audio quality measured in the mean opinion score. If you could find a way to bridge
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I would add that there has been a lot of work done looking at tandeming vocoders. Conclusion a noticeable loss in audio quality measured in the mean opinion score. If you could find a way to bridge
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By
Tom Azlin N4ZPT <tom@...>
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#98
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Re: Open Source Hardware...
the comment “ … doesn’t exist” is in accurate.
Ardruino is very open source hardware. (all the way down to the boot loader, and development packages)
Fpga projects can be open source
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the comment “ … doesn’t exist” is in accurate.
Ardruino is very open source hardware. (all the way down to the boot loader, and development packages)
Fpga projects can be open source
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By
"William Stillwell - KI4SWY" <wkstill@...>
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#97
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Re: Open Source Hardware...
Brian,
The Winlink development team would be interested in purchasing two unitswhen available through our 501C3 organization the Amateur Radio safetyFoundation. www.arsfi.org We have anumber sights
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Brian,
The Winlink development team would be interested in purchasing two unitswhen available through our 501C3 organization the Amateur Radio safetyFoundation. www.arsfi.org We have anumber sights
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By
"Rick Muething" <rmuething@...>
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#94
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Open Source Hardware...
... doesn't exist.
This forum has been wonderfully active on a variety of topics. It's great to see the exchange as hams weigh in with their hopes and dreams, but there is one topic that I need to
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... doesn't exist.
This forum has been wonderfully active on a variety of topics. It's great to see the exchange as hams weigh in with their hopes and dreams, but there is one topic that I need to
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By
UniversalDigitalRadio-owner@...
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#92
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Re: Codec2
A good point! We'll have to see what shakes out as the experimenters "experiment" with linking digital systems.
73 de Tim, AF1G
---- Tyrell Berry <kd7kuj@...> wrote:
=============
When dealing
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A good point! We'll have to see what shakes out as the experimenters "experiment" with linking digital systems.
73 de Tim, AF1G
---- Tyrell Berry <kd7kuj@...> wrote:
=============
When dealing
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By
Tim Hardy AF1G <hardyt@...>
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#96
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Re: Codec2
Tim
If this was professional radio, then I'd agree. But it isn't - it's hobby radio, and the goal is to experiment, not to provide a service-provider grade network.
As a friend of mine recently
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Tim
If this was professional radio, then I'd agree. But it isn't - it's hobby radio, and the goal is to experiment, not to provide a service-provider grade network.
As a friend of mine recently
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By
"David Lake (dlake)" <dlake@...>
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#95
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Re: Codec2
Witness, in order of decreasing quality, conversations from:
*) Analog phone -> analog phone
*) Analog phone -> cell-phone
*) cell-phone -> cell-phone, same technology
*) cell-phone
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Witness, in order of decreasing quality, conversations from:
*) Analog phone -> analog phone
*) Analog phone -> cell-phone
*) cell-phone -> cell-phone, same technology
*) cell-phone
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By
"Curt, WE7U" <curt.we7u@...>
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#93
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Re: Codec2
When dealing with music, I consider myself an audiophile. When I buy a CD, I rip it to my home server in the FLAC format; No, I don't carry loss less audio around on my portable devices... But I
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When dealing with music, I consider myself an audiophile. When I buy a CD, I rip it to my home server in the FLAC format; No, I don't carry loss less audio around on my portable devices... But I
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By
Tyrell Berry <kd7kuj@...>
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#91
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Re: Codec2
So the main benefit of TDMA is being able to double repeater capacity in one RF slot. That's one antenna, one duplexer, one site rental. Certainly in the UK where we pay commercial rates for tower
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So the main benefit of TDMA is being able to double repeater capacity in one RF slot. That's one antenna, one duplexer, one site rental. Certainly in the UK where we pay commercial rates for tower
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By
"David Lake (dlake)" <dlake@...>
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#90
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Re: No 2m but still an APRS igate?
I was actually thinking of using a soundmodem to add a second TNC to my D710. The intent was to run Winlink 2000 on one and APRS on the other, from the same laptop. The radio does the -plexing.
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I was actually thinking of using a soundmodem to add a second TNC to my D710. The intent was to run Winlink 2000 on one and APRS on the other, from the same laptop. The radio does the -plexing.
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By
Sander Pool <sander_pool@...>
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#89
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Re: Codec2
I'm not opposed to linking different protocols, but there is value in some of the objections to linking specific networks. If the objections or concerns can be mitigated, then fewer people would
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I'm not opposed to linking different protocols, but there is value in some of the objections to linking specific networks. If the objections or concerns can be mitigated, then fewer people would
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By
Tim Hardy AF1G <hardyt@...>
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#88
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Re: Modifying the Design
And still going to be under USD400????
Let’s just get this one on the market and then worry about bigger and better (?) models.
Howard
VK4BS
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And still going to be under USD400????
Let’s just get this one on the market and then worry about bigger and better (?) models.
Howard
VK4BS
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By
"Howard Small" <howard@...>
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#87
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Re: Codec2
D-STAR was developed a long time ago, technology has moved on since, also.
Agree totally. To me, the ultimate aim is to have a
I had the same issue back in 2002, when I was running IRLP and
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D-STAR was developed a long time ago, technology has moved on since, also.
Agree totally. To me, the ultimate aim is to have a
I had the same issue back in 2002, when I was running IRLP and
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By
"Tony Langdon, VK3JED" <vk3jed@...>
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#85
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Re: Codec2
In time, I'm sure Codec2 will get there.
I'm not sold on TDMA myself. That comes from
living in a land known for its wide open spaces,
and a past history of working VHF/UHF
openings. What are the
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In time, I'm sure Codec2 will get there.
I'm not sold on TDMA myself. That comes from
living in a land known for its wide open spaces,
and a past history of working VHF/UHF
openings. What are the
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By
"Tony Langdon, VK3JED" <vk3jed@...>
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#84
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Re: No 2m but still an APRS igate?
Now this is a neat idea!
73 de VK3JED / VK3IRL
http://vkradio.com
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Now this is a neat idea!
73 de VK3JED / VK3IRL
http://vkradio.com
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By
"Tony Langdon, VK3JED" <vk3jed@...>
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#83
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Re: Heard on the street
Unless you're in the know, you'd be surprised where Linux pops up. It's a solid workhorse platform, which is extremely versatile.
73 de VK3JED / VK3IRL
http://vkradio.com
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Unless you're in the know, you'd be surprised where Linux pops up. It's a solid workhorse platform, which is extremely versatile.
73 de VK3JED / VK3IRL
http://vkradio.com
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By
"Tony Langdon, VK3JED" <vk3jed@...>
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#82
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AW: Modifying the Design
Now build that for vhf and uhf bands all in one box and we are in business
144, 440 1230 ... and maybe higher?!?
Dg9bfc
Sigi
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Now build that for vhf and uhf bands all in one box and we are in business
144, 440 1230 ... and maybe higher?!?
Dg9bfc
Sigi
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By
"siegfried jackstien" <siegfried.jackstien@...>
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#86
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Re: Codec2
"What concerns me more is the (political) resistance to allowing
interoperability/gateways between systems."
Now....
Article 1.56 of the ITU Radio Regulations define amateur service as
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"What concerns me more is the (political) resistance to allowing
interoperability/gateways between systems."
Now....
Article 1.56 of the ITU Radio Regulations define amateur service as
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By
"David Lake (dlake)" <dlake@...>
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#81
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Re: Modifying the Design
Hi John,
Thanks for taking what I said on board, I was worried I may have been a little aggressive and offended you/your team. People don't really like it when you pick on their products saying "what
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Hi John,
Thanks for taking what I said on board, I was worried I may have been a little aggressive and offended you/your team. People don't really like it when you pick on their products saying "what
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By
Joshua Mesilane <josh@...>
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#79
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