Re: [digitalradio] Re: MPSK vs OFDM vs MFSK for HF High Speed Data

2007-03-18 Thread Danny Douglas
The best answer is NO linears at all. Not gonna happen. But, in those countries whee no linears are allowed, things seem to work quite smoothly and operators get out and work DX better than most people here do. Danny Douglas N7DC ex WN5QMX ET2US WA5UKR ET3USA SV0WPP VS6DD N7DC/YV5 G5CTB all DX

[digitalradio] QRV RFSM-2400 14109.5

2007-03-18 Thread Roberto IS0GRB
I'm actually qrv on 14.109.50 usb with RFSM-2400 and beacon mode 500/600 short every 60s Can you try to receive me and connect me? 73 Roberto IS0GRB

[digitalradio] Re: QRV RFSM-2400 14109.5

2007-03-18 Thread Demetre SV1UY
--- In digitalradio@yahoogroups.com, Roberto IS0GRB [EMAIL PROTECTED] wrote: I'm actually qrv on 14.109.50 usb with RFSM-2400 and beacon mode 500/600 short every 60s Can you try to receive me and connect me? 73 Roberto IS0GRB Just got your BEACON here in Athens Roberto. Your

Re: [digitalradio] Re: QRV RFSM-2400 14109.5

2007-03-18 Thread Roberto IS0GRB
Hi Demetre, thanks fo report. I will wait to connect you. 73 Roberto IS0GRB - Original Message - From: Demetre SV1UY To: digitalradio@yahoogroups.com Sent: Sunday, March 18, 2007 11:18 AM Subject: [digitalradio] Re: QRV RFSM-2400 14109.5 --- In

Re: [digitalradio] Re: MPSK vs OFDM vs MFSK for HF High Speed Data

2007-03-18 Thread Patrick Lindecker
Hello to all, Erratum: It must be read: when n becomes big, the ratio tends to 1/(square root of n)... instead of when n becomes big, the ratio tends to 1/square(n)... The following application on MT63 was OK. 73 Patrick - Original Message - From: Danny Douglas To:

[digitalradio] Re: MPSK vs OFDM vs MFSK for HF High Speed Data

2007-03-18 Thread cesco12342000
when n becomes big, the ratio tends to 1/square(n) For example, for MT63 where you have 64 carriers in parallel, You transmit only 12.5 watts with a 100 watts maximum XCVR. The same applies to the digi-sstv hamdrm/windrm modes. 30 to 60 carriers, crest factor (average to peak power) is

RE: [digitalradio] FSK versus AFSK in BARTG ??????

2007-03-18 Thread Ford, Steve, WB8IMY
Andy: I'm willing to bet that your FSK tones were inverted. I own a TS-2000 and the same thing happened to me just yesterday, with a bit of a twist. My TS-2000 had been working just fine in FSK. On Friday I installed a new motherboard in the station computer. When I attempted to work BARTG,

Re: [digitalradio] Re: RFSM2400/MIL-STD-188-110

2007-03-18 Thread Leigh L Klotz, Jr.
Yes, absolutely. Fax is legal only in the phone band. I even confused myself! I don't want to hazard a guess why Hellschreiber, which faxes pictures of characters, is used in the data band and now the phone/image band. Leigh/WA5ZNU On Sat, 17 Mar 2007 8:35 am, kv9u wrote: Leigh, This is the

Re: [digitalradio] Re: ALE station at Am-Tech Day (Saturday 17 March) California

2007-03-18 Thread ve3fwf
I did hear the following ALE stations on 14109.5 yesterday during the Am-Tech Day. C02JA EA2AFR KU2A K5SKH I did get a brief ALE connection from Bonnie and EA2AFR. The band was in pretty poor shape and signals were barely moving the S-meter. I was only running 15 watts and with RRTY contest

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread bruce mallon
This is from the same guys that want to distroy 6 meters with 200 khz wide signals? Nice very nice . --- John Champa [EMAIL PROTECTED] wrote: Rod, I have NEVER heard of any Amateur being fined by the FCC for experimenting with a new mode...so what serious trouble? Radio

[digitalradio] FAX/image in the text data portions of the bands

2007-03-18 Thread kv9u
One other related thought. With the recent changes to Part 97, I believe that it is now legal to send an analog or digital image transmission in the text data portion of the bands with signals that are no wider than 500 Hz. 73, Rick, KV9U Leigh L Klotz, Jr. wrote: Yes, absolutely. Fax is

[digitalradio] USA's Fax, Hell

2007-03-18 Thread expeditionradio
Leigh/WA5ZNU wrote: I don't want to hazard a guess why Hellschreiber, which faxes pictures of characters, is used in the data band and now the phone/image band. Hi Leigh, The regulation by content has been a growing thorn in the FCC rules. While it once was considered quaint, at this

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread kv9u
Bruce, You have to understand that John and his group have (had?), very different agendas than most hams, and that includes digitally oriented hams. Hopefully, he is one of the few U.S. hams who publicly recommend deliberately and knowingly violating Part 97 rules. It seems to me that the

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
Bruce, that is an extremely offensive posting. I happen to LOVE 6M and have operated the band for almost 50 years. Sorry, you feel the way you do. You are of course, in error once again. The excellent response from John, KD6OZH, clarified that our OFDM testing will not be on the AM calling

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread Bill Vodall WA7NWP
This is from the same guys that want to distroy 6 meters with 200 khz wide signals? Not destroy it - save it... Amateur Radio used to be technology leaders. Today its the last bastion of otherwise obsolete 'museum modes' like AM, CW and ATV while the real world technologies of digital wide

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread Chuck Mayfield
OK this is starting to look like character assassination. Please excuse me while I still have my character 73, Chuck AA5J At 01:12 PM 3/18/2007, kv9u wrote: Bruce, You have to understand that John and his group have (had?), very different agendas than most hams, and that includes digitally

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread AAR2EY/AAA9DHT
John, I beg to differ, I do get and from time to time I will offer comments to assist someone else who may not be sure of how to proceed with new technology in the age of rapid software modem developments. However with your approach, sooner or later if you have not already, you will likely

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
Thank you, Bill! I couldn't have written it any better! 6M is a huge band, that even when it is red hot, as we hope it is again in a few years, is very coveted by many businesses, in addition to BPL. The ARRL HSMM Working Group was trying to save 6M, in addition to finding a spot to operate SS.

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
Chuck, Yes, it is character assassination. All I am saying is don't go crazy with the FCC rules. The FCC publicly has stated the purpose of the rules was NEVER intended to hamper technological experimenting and other progress by Hams. Nonetheless, that is the FIRST question many Hams ask when

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread Walt DuBose
Rick, You are not in possession of all the facts. The HSMM was chartered to find out what it would take to do high speed data and other modes on frequencies above HF. The report showed what bandwidth we believe would be necessary to accomplish the task. The HSMM Working Group's Basic

[digitalradio] New release (4.2) of MULTIPSK: MIL-STD-188-141A (ALE) + Unproto+ ARQ FAE , HB9TLK SdR receiver interface, 8-1000 Olivia/Contestia/RTTYM

2007-03-18 Thread Patrick Lindecker
New release (4.2) of MULTIPSK RX/TX: PSK10/BPSK31-63-125/QPSK31-63-125/CHIP (64/128)/PSKFEC31/PSKAM10-31-50/PSK63F - PSK220F + DIGISSTV Run/CW/CCW/CCW-FSK/THROB/THROBX/MFSK8/ MFSK16 (+ SSTV)/MIL-STD-188-141A (+ARQ FAE)/OLIVIA/CONTESTIA/RTTYM/VOICE/DominoF DF/DominoEX/MT63/RTTY 45/75/ RTTY

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
PS - Rick is correct about one item. Those policy recommendations were part of the reason the ARRL disbanded the HSMM Working Group. They didn't like hearing those sorts of things. Most Hams wouldn't like that sort of change no matter how painless we tried to make it. I have been a Ham since I

[digitalradio] Gray Areas of Ham Radio Regulations and Rules

2007-03-18 Thread expeditionradio
Like laws, ham radio regulatory rules are not black and white. They are subject to interpretation, tradition, politics, and convincing arguments. A gray area is the area of rules where an unclear or unsharp dividing line may apply to a specific instance, a trend, a group, or in this case... a

[digitalradio] Re: Gray Areas of Ham Radio Regulations and Rules

2007-03-18 Thread expeditionradio
Generally speaking, gray areas are widely accepted in democratic societies and have a clear connection to the notion of tolerance, whereas in societies of totalitarianism, grey areas are typically not accepted on any level. The notion is, that there may be a gray area in a rule or regulation, as

Re: [digitalradio] Re: MPSK vs OFDM vs MFSK for HF High Speed Data

2007-03-18 Thread Roger J. Buffington
Danny Douglas wrote: The best answer is NO linears at all. Not gonna happen. But, in those countries whee no linears are allowed, things seem to work quite smoothly and operators get out and work DX better than most people here do. Danny Douglas N7DC Well yeah. Countries in Europe and

RE: [digitalradio] Re: Gray Areas of Ham Radio Regulations and Rules

2007-03-18 Thread John Champa
Wilco! You're response has so much class and rationale. Original Message Follows From: expeditionradio [EMAIL PROTECTED] Reply-To: digitalradio@yahoogroups.com To: digitalradio@yahoogroups.com Subject: [digitalradio] Re: Gray Areas of Ham Radio Regulations and Rules Date: Sun, 18 Mar

[digitalradio] RFSM2400

2007-03-18 Thread John Bradley
So where and when can hams in the US play with RFSM2400? I'll be back on 3587.5 after all the RTTY is done, probably around 0100Z March 18, on until 0400Z using mil standard . John VE5MU

[digitalradio] 30M RFSM2400

2007-03-18 Thread John Bradley
at 2315Z beaconing on 10137.5 VFO John VE5MU

[digitalradio] Re: RFSM2400

2007-03-18 Thread expeditionradio
John VE5MU So where and when can hams in the US play with RFSM2400? I'll be back on 3587.5 after all the RTTY is done, probably around 0100Z March 18, on until 0400Z using mil standard . Technically speaking, USA hams can only play with it on dummy loads... or in the exercise yard of the

[digitalradio] Re: 30M RFSM2400

2007-03-18 Thread expeditionradio
I've seen some activity on 10145.5kHz USB . Bonnie KQ6XA --- In digitalradio@yahoogroups.com, John Bradley [EMAIL PROTECTED] wrote: at 2315Z beaconing on 10137.5 VFO John VE5MU

[digitalradio] RFSM2400 80M

2007-03-18 Thread John Bradley
well after seeing Bonnie's note will try RFSM2400 on 3620mhz after 0100Z Some opinions seem tosay that the mode would be legal in the US in the phone band as SSTV is? Will send as many pix as you want on mil std hi hi John VE5MU

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread Walt DuBose
Perhaps at the time but I think the after the Board meeting in January and with a new President thinking on his own, things may be changing...I think are changing. I think we kicked them in the back side and woke up some of the OFs. John Champa wrote: PS - Rick is correct about one item.

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
Walt, I certainly hope you are right. Joel is a progressive fellow. Since that meeting I have certainly become more appreciative of all the work that Chris Imlay did with all the FCC on behalf of the HSMM Working Group. For example, look now at the new rules on SS on the 222 MHz band! They

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread kv9u
Walt, It still seems peculiar that the BOD would close down a developing technology group as if it had done its job. We have only begun with this technology. Instead you would have expected to see them request continued, if not even, expanded activity. Did you ever work with Paul Rinaldo on

Re: [digitalradio] Re: RFSM2400

2007-03-18 Thread kv9u
Considering that a commercial mode like Pactor can be used on the U.S. ham bands, it would not require that much to have the specifications posted or made available in some way to fulfill the minimal FCC rules that are logical and well thought out. They do not prohibit new technologies that

Re: [digitalradio] legal Mode guidelines

2007-03-18 Thread John Champa
Rick, Paul as the CTO was our reporting person. However, he did not come into the picture until the last year. A lot of frustration had built up by then. It was also his recommendation to the Board that the HSMM Working Group be founded. That's why we called him the Father of HSMM. Paul was

Re: [digitalradio] Re: RFSM2400

2007-03-18 Thread John Champa
Rick, I was Ok until that last parargraph and then you fell off the creeen. Have you ever done it? It takes several months to get an STA, and it can easily take 4-5 YEARS to get a reg change. Even getting an FCC interpratation can take months! My suggestion? Just get the protocol posted to a

Re: [digitalradio] Re: MPSK vs OFDM vs MFSK for HF High Speed Data

2007-03-18 Thread Danny Douglas
The problem with linears is that there are so many of them, they cover up all other signals, and of course are in a fight with themselves. If everyone ran 100 watts, it would only be antennas that made the difference - beyond props. I am sitting out here in the country side, and could have run a

[digitalradio] RFSM2400

2007-03-18 Thread John Bradley
thanks for the connect tonight, Darrel, and the file transfer works well. Later, VE5TLW were working with this a little further, and understand how the mailbox works The software sets up another sub folder under mailbox, labelled with the users callsign. right now in my mailbox folder there

Re: [digitalradio] RFSM2400

2007-03-18 Thread Les Keppie
John Bradley wrote: will be on 14109.5 USB starting at about 1400Z, and will be on for a while since I have a lot of computer work to do tomorrow regards John VE5MU Les VK2DSG IS IN BEACON MODE ON 14109.5 FROM 0445Z 19TH FOR 2 HOURS - ANTENNA POINTED SHORT PATH TO CENTRAL USA