[digitalradio] Re: Digital modes and old husband's tales

2009-07-14 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andrew O'Brien andrewob...@... wrote: The replies to Ralph's question about audio levels appear to be sound advice and certainly in keeping with what has been advised since sound card digital modes burst upon the scene. I wonder how accurate it is though?

[digitalradio] Re: Double Entries on Waterfall

2009-07-14 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Vojtech Bubnik bubn...@... wrote: Hi Ralph. The second or multiple received streams may be caused by a non-linearity somewhere between his computer and your computer. It may be his sound card, his TX, your RX or your sound card. Yes, I experienced it

[digitalradio] Re: PC/Soundcard requirements for Softrock/SDR ?

2009-06-23 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andy obrien k3uka...@... wrote: I am probably more of an observer than most. I would like to be able to monitor activity on all bands all the time. For less than $20 per band, a softrock receiver kit can be purchased that monitors up to 96 KHz of

[digitalradio] Re: The best of all features - SdR

2009-06-23 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Patrick Lindecker f6...@... wrote: Hello Ed and all, For information, with the last version of Multipsk (4.14), you can decode 48 KHz (for standard sound cards) up to 192 KHz (with specific sound cards) if you have a SdR. Note: with standard sound

[digitalradio] Re: The best of all features

2009-06-21 Thread Ed Hekman
Andy, I have started to become acquainted with the DX Labs suite recently since I switched to the DX Keeper logging program. On your recommendation I have installed the entire DX Labs suite and I agree it does have a very wide range of features. The DXView, Pathfinder, PropView and

[digitalradio] The best of all features

2009-06-20 Thread Ed Hekman
It looks like the thread on MixW has run the course but I wanted to make a few comments about what I felt were the best features of each of the programs that I have used. I started with Digipan and stayed with it for over 5 years because it was simple to setup and use. The capability to

[digitalradio] Re: Really beating the AGC issue with PSK ?

2009-05-29 Thread Ed Hekman
Andy, I also have a TS-2000. Are you using the Packet filter menu, 50A? This can set the bandwidth down to about 100Hz. The DSP on the TS-2000 is not the best but I find it quite effective most of the time. It does produce a lot of ghost signals and aliases. The 12-bit DSP probably limits

[digitalradio] Re: QRV 14074.0 ALE-400 FAE

2009-05-29 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Patrick Lindecker f6...@... wrote: Hello Ed, Nice report. the beginning and increased towards the end until the connection was lost. After one minute without possibility to acknowledge a frame, the ionospheric conditions are supposed to be very bad

[digitalradio] Re: QRV 14074.0 ALE-400 FAE

2009-05-28 Thread Ed Hekman
Tony, Sorry I didn't have time to stop and chat. I copied your QSO with John, VE5MU, from beginning to end while I was eating dinner and reading the mail. You were strong at the beginning but John was stronger at the end. The repeat rate was around 2:1 at the beginning and increased towards

[digitalradio] Re: CWType Using Buxcomm

2008-05-29 Thread Ed Hekman
Dennis, I am not familiar with the Rascal with CW cables but it sounds like the CW cable is plugged into the paddle jack instead of the straight key jack. I use a Rascal for digital modes with the TS-2000. But for CW I use a separate com port with a homebrew interface (transistor, resistor

[digitalradio] Re: Building a USB Sound Interface

2007-12-23 Thread Ed Hekman
Kevin, An article was posted on eham.net last year that my interest you. http://www.eham.net/articles/14023 This describes a simple interface using a small USB hub, a USB sound card and a USB to serial converter. This could probably be disassembled and repackaged into one small box. Ed

[digitalradio] Re: OFDM Proposal

2007-10-21 Thread Ed Hekman
Rud, I would really enjoy hearing some discussion on the use of OFDM on HF. I work on an OFDM project and have an understanding of how it works although I am not a system designer. I have also tried OFDM with HamPal (digital SSTV) and WinDRM (digital voice) and it seems to me that it offers

[digitalradio] Re: The Bozo's Guide to HF JT65A has been updated.

2007-04-13 Thread Ed Hekman
Andy, Nice work on the document. I am just a few days behind you on the learning curve. I was able to get it set up and running with the documentation provided with the software but a few things had to be learned by experience and experimentation. Your document has all the essential

[digitalradio] ALE usage guidelines

2006-10-22 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, expeditionradio [EMAIL PROTECTED] wrote: Hi Ed, You can find much more info on set up of PCALE, and general ALE operation on the HFLINK group. http://hflink.com 73 Bonnie KQ6XA Thanks again, Bonnie. I just submitted a request to join the hflink

[digitalradio] New PCALE Beta Version Re: ALE activity today

2006-10-18 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, expeditionradio [EMAIL PROTECTED] wrote: Ed WB6YTE wrote: I installed and attempted to setup PCALE yesterday but encountered a few problems. I did not find my radio (TS-2000) in the MIL-STD-188-141 menu. Is this program limited to the radios

[digitalradio] Re: ALE activity today

2006-10-14 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: A lot of ALE action today, 20M (14109) has been quite active with netcalls and soundings. For example , I just decoded K5SKH with fair signals [13:49:40][FRQ 14109500][SND][ ][TIS][K5SKH ][AL0] BER 30 SN 10

[digitalradio] Re: ALE activity today

2006-10-14 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: A lot of ALE action today, 20M (14109) has been quite active with netcalls and soundings. For example , I just decoded K5SKH with fair signals [13:49:40][FRQ 14109500][SND][ ][TIS][K5SKH ][AL0] BER 30 SN 10

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-11 Thread Ed Hekman
will continue to study the issue and report any interesting ideas that show promise for weak signal digitzed voice communications. Ed --- In digitalradio@yahoogroups.com, Ed Hekman [EMAIL PROTECTED] wrote: --- In digitalradio@yahoogroups.com, Tony DXDX@ wrote: Ed wrote: Are there any

[digitalradio] Re: First DRM Reception

2006-10-11 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, jhaynesatalumni [EMAIL PROTECTED] wrote: --- In digitalradio@yahoogroups.com, Tony DXDX@ wrote: Jim You need to mute the MIC audio on your sound card. That will stop the WinDRM digital signal from making it to your PC speakers and mixing with

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-11 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, DuBose Walt Civ AETC CONS/LGCA [EMAIL PROTECTED] wrote: I've heard DV using LCP-10 and a 16 tone modem as well as a 39 tone modem at 1200 bps...it sounds robotic at best. But that could have been just the systems used (ANDVT/Mil-STD-188-110) Walt/K5YFW

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-10 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Ed Hekman [EMAIL PROTECTED] wrote: I found the specifications. The spec used for broadcast DRM can be found here: http://webapp.etsi.org/exchangefolder/es_201980v020101p.pdf The WinDRM spec can be found here: http://www.qslnet.de/member/hb9tlk

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-09 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Tony [EMAIL PROTECTED] wrote: Ed wrote: Are there any communications engineers in this group that can give us some idea whether a useable quality digitized voice can be sent over a 2.5 KHz wide HF channel with SNR comparable to or less than what

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-09 Thread Ed Hekman
I found the specifications. The spec used for broadcast DRM can be found here: http://webapp.etsi.org/exchangefolder/es_201980v020101p.pdf The WinDRM spec can be found here: http://www.qslnet.de/member/hb9tlk/drm_h.html Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org

[digitalradio] Re: Digital Voice: Some thoughts after one week.

2006-10-08 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: I have been QRV on digital voice ,using WinDRM, and thought I would offer some rookie/newbie random thoughts. 1. This mode's performance may appear counter-intuitive for most digital mode operators. By that

[digitalradio] Re: 7296 LSB CQ Digital Voice

2006-10-06 Thread Ed Hekman
Andy, I am monitoring but with an S9 noise level here this evening it is very unlikely I will here anything out of town. Ed WB6YTE --- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: I am on 7296 LSB calling CQ for the next hour between 0300 and 0400 UTC, mostly

[digitalradio] Re: WinDRM voice tonight anyone?

2006-09-28 Thread Ed Hekman
--- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote: I am interested in trying my first digital voice QSO, using WINDRM, anyone want to also try it tonight ? I just discovered WinDRM tonight and would like to try it but I don't get home until after 7PM PDST. I will

[digitalradio] Re: WinDRM voice tonight anyone?

2006-09-28 Thread Ed Hekman
Andy, I didn't hear any signals last night either. After I wrote that post I realized that EchoLink uses one of the sound cards required for WinDRM. It will take a few minutes to set up another USB sound card for EchoLink tonight. How is the evening propagation on 40M? If we don't connect

[digitalradio] Re: First DRM reception, sort of

2006-09-28 Thread Ed Hekman
Andy, 14233 is used for HamPal DRM pictures. I have copied several pictures there over the past few weeks but the success rate of HamPal without using the BSR is very low. I am looking forward to trying WinDRM for voice - haven't heard anything on 40M yet. Ed --- In