Re: [Discuss-gnuradio] PyBOMBS -R switch? was Re: Multiple errors/problems with pybombs 2.0.1 in Kubuntu 16.04

2016-05-16 Thread Eric Cottrell
owever, has gr-osmosdr in its > requirements, and that can talk to soapySDR devices. Is it that which is > failing? > > Generally, in this kind of situation, a generous amount of logs would > probably make things easier for us to debug. > Note that it is very interesting here how a

Re: [Discuss-gnuradio] Multiple errors/problems with pybombs 2.0.1 in Kubuntu 16.04

2016-05-16 Thread Eric Cottrell
Sun, 15 May 2016 23:01:46 -0400 (EDT), "Eric Cottrell" wrote: > Hello, > > I am trying to install gr-op25 in Kubuntu 16.04 and running into all sorts of > problems and errors. It also appears pybombs changed enough to make most web > information invalid. The instr

[Discuss-gnuradio] Multiple errors/problems with pybombs 2.0.1 in Kubuntu 16.04

2016-05-16 Thread Eric Cottrell
Hello, I am trying to install gr-op25 in Kubuntu 16.04 and running into all sorts of problems and errors. It also appears pybombs changed enough to make most web information invalid. The instructions on http://op25.osmocom.org/trac/wiki.png/wiki/InstallInstructionsPage did not work. git clone

[Discuss-gnuradio] PyBOMBS -R switch? was Re: Multiple errors/problems with pybombs 2.0.1 in Kubuntu 16.04

2016-05-16 Thread Eric Cottrell
), "Eric Cottrell" wrote: > Hello, > > I removed everything and installed pybombs using the first method (pip > install PyBOMBS. It installed 2.0.1. I then realized I left off the .com on > the commands to get the recipes, so I got them okay. Now I get a different

[Discuss-gnuradio] Upcoming GNURadio Conferences in USA?

2013-05-15 Thread Eric Cottrell
Hello, I got an email from Ettus Research and noticed there is an SDR Conference near me in Worchester, MA (NEWSDR’13). Unfortunate for me, it is this Friday so I can not get food or parking because I cannot preregister (link gives an error). I remember there was a GNU Radio conference in the f

[Discuss-gnuradio] DVSI USB-3000 P25

2012-08-28 Thread Eric Cottrell
Hello, This looked interesting since the voice codec will do P25, DMR, and D*. So I bought one and should have it in a couple of days. http://www.dvsinc.com/products/usb_3k.htm 73 Eric ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https:

Re: [Discuss-gnuradio] Motorola IIi Hybrid Trunk decoding

2011-04-05 Thread Eric Cottrell
Hello, I considered doing a Motorola decoder, but no code yet. It uses a basic 3600 baud FSK modulation for the control channel data. Here are some links. General Trunked Radio System information. http://wiki.radioreference.com/index.php/Trunked_Radio_Systems General Trunked Radio Decoders. h

Re: [Discuss-gnuradio] GR Conference Dates

2011-02-22 Thread Eric Cottrell
Hello, Thanks for posting the information. I am planning on going and it looks like I can take the train. In early March I am going to the Winter SWL Fest up in Plymouth Meeting, PA. 73 Eric - Start Original Message - Sent: Mon, 21 Feb 2011 23:13:32 -0500 From: Tom Rondeau To: GNURad

Re: [Discuss-gnuradio] 3 New Products from Ettus Research

2011-02-15 Thread Eric Cottrell
Hello, The TVRX2 sounds very interesting. How are the two receivers mapped to the output? Does each receiver map to a different frequency range on the output? The two receivers would be great for decoding and following trunked radio systems with a dedicated control channel. 73 Eric - Sta

[Discuss-gnuradio] Mode-S/ADS-B and UAT

2010-12-05 Thread Eric Cottrell
Hello, I was emailed by a few people off list that are interested in the Mode-S/ADS-B code. I am still working on it. I got the DPD Productions antenna just before Thanksgiving, but it was too windy to put up right away. Sitting on the first floor in the middle of a wood frame house, the ant

[Discuss-gnuradio] USRP2, WBX, and Mode S/ADS-B

2010-11-22 Thread Eric Cottrell
Hello, I recently got the WBX daughterboard and updated GNURadio after a year or two of hiatus. I really like the WBX so far, and have some ideas for receivers, like an ACARS decoder that decodes multiple frequencies simultaneously, or a trunked radio decoder that can decode the control chan

[Discuss-gnuradio] WBX Low Frequency Limit

2010-10-30 Thread Eric Cottrell
Hello, I just got my WBX board and it works great in my USRP2. If it has 30 MHz BW then I can try foolish stuff like decoding all VHF ACARS frequencies with parallel decoders. When I do a USRP2 Probe the minimum Frequency is higher than advertised. Freq Range (min, max): 6875.0 Hz

Re: [Discuss-gnuradio] Gnuradio Mode S project released

2010-10-24 Thread Eric Cottrell
Hello, Articles I read say that a 10MSPS rate gives better performance that a 8MSPS rate. I used the 8MSPS rate and still got good performance. The oversampling is used in determining if the pulse is valid or part of interference. Some receivers use a huge ROM lookup table to convert all the

Re: [Discuss-gnuradio] Mode S and ADS-B

2010-03-31 Thread Eric Cottrell
- Start Original Message - Sent: Wed, 31 Mar 2010 22:39:25 +1000 From: "Andrew Rich" To: "gnuradio" Subject: [Discuss-gnuradio] Mode S and ADS-B > > Hello I am seeing quite a bit about code that was written by Eric Cottrell for aircraft Mode S decoders and

Re: [Discuss-gnuradio] Intel Atom is NICE.

2009-01-04 Thread Eric Cottrell
- Start Original Message - Sent: Mon, 29 Dec 2008 22:53:06 -0500 From: "Eric A. Cottrell" To: discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] Intel Atom is NICE. > Hello, > > I bought the earlier version of the motherboard with just the 10/100 > ethernet. I put it in a MI-100

Re: [Discuss-gnuradio] USRP2 Announcement

2008-09-12 Thread Eric Cottrell
- Start Original Message - Sent: Fri, 12 Sep 2008 12:04:44 -0700 From: Eric Blossom <[EMAIL PROTECTED]> To: Douglas Geiger <[EMAIL PROTECTED]> Subject: Re: [Discuss-gnuradio] USRP2 Announcement > On Fri, Sep 12, 2008 at 01:54:08PM -0500, Douglas Geiger wrote: > > Very exciting! > > > > One

[Discuss-gnuradio] GNURadio compile notes for Debian Lenny (Testing)

2008-08-30 Thread Eric Cottrell
Hello, I am looking into switching from SuSE to Debian so I am "testing" Debian Etch and Lenny these past months on several new systems. SuSE seems too bloated and I rather have more control over what is loaded on the computer. APT seems better than RPM. I was able to compile GNURadio on Debi

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-12 Thread Eric Cottrell
- Start Original Message - Sent: Mon, 11 Aug 2008 17:12:43 -0700 From: Dan Halperin <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] Subject: Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On Aug 11, 2008, at 4:58 PM,

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Eric Cottrell
Hello, Wow, a very interesting set of slides. BTW this is the talk that the MBTA got a temporary injunction over so it may not get presented at Defcon. http://www.pcworld.com/businesscenter/article/149646/eff_to_appeal_court_order_halting_subway_hacker_talk.html I am not surprised about anythin

[Discuss-gnuradio] Beagleboard

2008-08-01 Thread Eric Cottrell
Hello, There was some interest on this list earlier about the Beagleboard, a small OMAP3 based board. I just got one from Digi-key and it is small! http://beagleboard.org/ Besides the GNURadio aspects this may be a good board for ham radio digital modem applications like the old TI DSP Evaluat

[Discuss-gnuradio] Small Intel Based Computers for GNURadio

2008-06-16 Thread Eric Cottrell
Hello, I occasionally travel and want to take GNURadio with me. I wonder what laptops or small form factor systems (like ITX) work well with GNURadio. My current laptop, a Z60t, uses a 1.7 Pentium M. It is okay for most GNURadio apps but I get USRP overruns on other apps. My Core 2 Duo Deskt

Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

2008-03-25 Thread Eric Cottrell
> > From the information on the DV Dongle list the shipping firmware is the > > same as on the moetronix.com web site. > > http://www.moetronix.com/dvdongle/ > > Hmm. Yes it does seem they are saying everything inside the Dongle is open > source. > But I don't see how they can do that since a

Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

2008-03-24 Thread Eric Cottrell
- Start Original Message - Sent: Mon, 24 Mar 2008 11:33:26 -0600 (CST) From: "Jeff Brower" <[EMAIL PROTECTED]> To: "Eric Cottrell" <[EMAIL PROTECTED]> Subject: Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device > Eric- > > >> Can you clari

Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

2008-03-24 Thread Eric Cottrell
> Can you clarify for me, why should the DV Dongle contents be open source? > What GNU licensed code are they using that requires them to give back? > > -Jeff Hello, The DV Dongle device uses open source firmware. It appears the manufacturer is not following the provisions of the GNU license a

Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

2008-03-20 Thread Eric Cottrell
- Start Original Message - Sent: Wed, 19 Mar 2008 23:29:57 -0400 From: "David I. Emery" <[EMAIL PROTECTED]> To: Rick Parrish <[EMAIL PROTECTED]> Subject: Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device > On Wed, Mar 19, 2008 at 07:38:13PM -0500, Rick Parrish wrote: > > Jeff Brower wrote

[Discuss-gnuradio] APCO Project 25 CAI

2008-03-19 Thread Eric Cottrell
Hello, After looking at this document it appears that writing a APCO P25 CAI decoder is a good way to learn error correcting codes because it uses many varieties of different types. http://www.p25.com/resources/P25TrainingGuide.pdf I just hope the Vocoder Error Correcting Code description on Pa

Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device

2008-03-19 Thread Eric Cottrell
- Start Original Message - Sent: Wed, 19 Mar 2008 07:02:08 -0600 From: Jeff Brower <[EMAIL PROTECTED]> To: Rick Parrish <[EMAIL PROTECTED]> Subject: Re: [Discuss-gnuradio] DV Dongle - AMBE USB Device > Rick- > > > > I am also thinking of writing a APCO P25 Voice to AMBE2000 frame > > > c

[Discuss-gnuradio] USRP internally generated signal at 1088 MHz

2007-07-12 Thread Eric Cottrell
Hello, I got the DBSRX board back working but noticed if I run the USRP_FFT program a 20 db above the noise signal appears at 1088 MHz. It is there if the antenna is disconnected and moves up and down with the gain. It will decrease and go away as the gain is moved from about 26 down to zero

Re: [Discuss-gnuradio] DBSRX Modification and Antenna Bias Question

2007-07-11 Thread Eric Cottrell
- Start Original Message - Sent: Wed, 11 Jul 2007 15:58:09 -0700 From: Matt Ettus <[EMAIL PROTECTED]> To: Eric Cottrell <[EMAIL PROTECTED]> Subject: Re: [Discuss-gnuradio] DBSRX Modification and Antenna Bias Question > > > In looking at the schematic of the DBSRX

[Discuss-gnuradio] DBSRX Modification and Antenna Bias Question

2007-07-11 Thread Eric Cottrell
Hello, The question: What is the maximum voltage I can put into the antenna bias connection? The possible mod or configuration jumper: I have a WR-LNA-3500 preamplifier that can be powered by coax or a coaxial power connector. There is a diode to prevent backfeeding power through the receive

Re: [Discuss-gnuradio] FPGA Gain?

2007-07-11 Thread Eric Cottrell
- Start Original Message - Sent: Wed, 11 Jul 2007 12:38:41 +0200 From: "Trond Danielsen" <[EMAIL PROTECTED]> To: discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] FPGA Gain? > 2007/7/10, Eric Cottrell <[EMAIL PROTECTED]>: > > Hello, > > > >

[Discuss-gnuradio] FPGA Gain?

2007-07-10 Thread Eric Cottrell
Hello, The LFRX daughterboard on the USRP has 20 dB of gain. I seem to remember that 10 dB of that gain is from the FPGA. I assume that this gain is after the ADC? If so, is it really useful? I relate digital gain to zoom on a digital camera. The analog gain is the optical zoom and the dig