[Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB above?

[David Klippel - N2MHI]

Is FreeDV always USB like all digital modes or does it follow the
guideline of LSB below 10Mhz and USB above?

I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The
USB standard as I understand for digital modes in dependent of SSB
guideline of LSB below 10Mhz and USB above).

[Walter Holmes]

FreeDV is still considered a Voice mode. So, it follows the normal Voice
standards, of USB or LSB, depending on what band you on.

Unfortunately, the Flex implementation does not allow for you to change form
USB only at this time.

Perhaps that can be resolved in a future update.

Walter/K5WH

-----Original Message-----
From: David Klippel - N2MHI [mailto:***@klippel.com]
Sent: Thursday, January 19, 2017 5:40 PM
To: freetel-***@lists.sourceforge.net
Subject: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB
above?

Is FreeDV always USB like all digital modes or does it follow the guideline
of LSB below 10Mhz and USB above?

I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The USB
standard as I understand for digital modes in dependent of SSB guideline of
LSB below 10Mhz and USB above).

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[Mel Whitten]

FreeDV follows the SSB convention as has HF digital voice since day 1. QRM
avoidance is aided (not necessarily avoided) when both modes are using the
same "sideband."

Flex is now aware of this and I am sure will make the change upon the next
update of FreeDV.

Mel


-----Original Message-----
From: David Klippel - N2MHI [mailto:***@klippel.com]
Sent: Thursday, January 19, 2017 5:40 PM
To: freetel-***@lists.sourceforge.net
Subject: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB
above?

Is FreeDV always USB like all digital modes or does it follow the guideline
of LSB below 10Mhz and USB above?

I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The USB
standard as I understand for digital modes in dependent of SSB guideline of
LSB below 10Mhz and USB above).

----------------------------------------------------------------------------
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[Gerhard Burian]

Hi All,

The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.

Regards
Gerhard

-----Ursprüngliche Nachricht-----
Von: Mel Whitten [mailto:***@melwhitten.com]
Gesendet: Freitag, 20. Jänner 2017 02:24
An: freetel-***@lists.sourceforge.net
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?

FreeDV follows the SSB convention as has HF digital voice since day 1. QRM
avoidance is aided (not necessarily avoided) when both modes are using the
same "sideband."

Flex is now aware of this and I am sure will make the change upon the next
update of FreeDV.

Mel


-----Original Message-----
From: David Klippel - N2MHI [mailto:***@klippel.com]
Sent: Thursday, January 19, 2017 5:40 PM
To: freetel-***@lists.sourceforge.net
Subject: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB
above?

Is FreeDV always USB like all digital modes or does it follow the guideline
of LSB below 10Mhz and USB above?

I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The USB
standard as I understand for digital modes in dependent of SSB guideline of
LSB below 10Mhz and USB above).

----------------------------------------------------------------------------
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[glen english]

Golly
I think all this "you must do it this way" sideband selection is total BS.

1) allow convention (LSB < 10 MHz , USB)
and
2) allow anything- I've operated on the same "carrier" frequency but the
opposite sideband on HF for voice quite a bit

you can pack more in... the interference doesnt come so severe from
adjacent channel when you are on the 'other' sideband
Of course, some radios filters are not steep enough to support it.

glen
VK1XX

Post by Gerhard Burian
Hi All,
The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.
Regards

[John Melton]

The next release of piHPSDR allows selection of either sideband.

-- John g0orx/n6lyt

Post by glen english
Golly
I think all this "you must do it this way" sideband selection is total BS.
1) allow convention (LSB < 10 MHz , USB)
and
2) allow anything- I've operated on the same "carrier" frequency but the
opposite sideband on HF for voice quite a bit
you can pack more in... the interference doesnt come so severe from
adjacent channel when you are on the 'other' sideband
Of course, some radios filters are not steep enough to support it.
glen
VK1XX

Post by Gerhard Burian
Hi All,
The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.
Regards

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[Gerhard Burian]

The problem is just that the signal is symetrical and you cannot see in the
waterfall which sideband is used. Also on an SSB transceiver you cannot
"hear" the difference. If the signal is weak you might think the decoder is
not working correctly or the signal is too weak. If you have to try the
other sideband in those cases it is not very comfortable.

73's
Gerhard OE3GBB

-----Ursprüngliche Nachricht-----
Von: glen english [mailto:***@cortexrf.com.au]
Gesendet: Freitag, 20. Jänner 2017 06:59
An: freetel-***@lists.sourceforge.net
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?

Golly
I think all this "you must do it this way" sideband selection is total BS.

1) allow convention (LSB < 10 MHz , USB) and
2) allow anything- I've operated on the same "carrier" frequency but the
opposite sideband on HF for voice quite a bit

you can pack more in... the interference doesnt come so severe from adjacent
channel when you are on the 'other' sideband Of course, some radios filters
are not steep enough to support it.

glen
VK1XX

Post by Gerhard Burian
Hi All,
The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.
Regards

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[Helmut]

Hi,

it's no sacrilege to use the 'wrong' sideband, if band limits are respected.
On 7 MHz I frequently change the sideband to talk with my friends who run
the Flex 6000 series. The bigger problem is that only a few stations can use
the bit-saving FreeDv mode 700B, which seems a lot more robust and allows
smaller SNRs.

73, Helmut, DC6NY

PS: John, I'm waiting and hoping for our first FreeDV QSO as planned before
the UK Brexit make it impossible, hi. Good luck!

-----Ursprüngliche Nachricht-----
Von: Gerhard Burian [mailto:***@utanet.at]
Gesendet: Freitag, 20. Januar 2017 06:47
An: freetel-***@lists.sourceforge.net
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?

Hi All,

The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.

Regards
Gerhard

-----Ursprüngliche Nachricht-----
Von: Mel Whitten [mailto:***@melwhitten.com]
Gesendet: Freitag, 20. Jänner 2017 02:24
An: freetel-***@lists.sourceforge.net
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?

FreeDV follows the SSB convention as has HF digital voice since day 1. QRM
avoidance is aided (not necessarily avoided) when both modes are using the
same "sideband."

Flex is now aware of this and I am sure will make the change upon the next
update of FreeDV.

Mel


-----Original Message-----
From: David Klippel - N2MHI [mailto:***@klippel.com]
Sent: Thursday, January 19, 2017 5:40 PM
To: freetel-***@lists.sourceforge.net
Subject: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB
above?

Is FreeDV always USB like all digital modes or does it follow the guideline
of LSB below 10Mhz and USB above?

I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The USB
standard as I understand for digital modes in dependent of SSB guideline of
LSB below 10Mhz and USB above).

----------------------------------------------------------------------------
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[David Rowe]

For those of you using the FreeDV API - 700C and 800XA are already
integrated into the FreeDV API and ready to try.

You may use USB or LSB lol - I just want to hear about your experiences
with the mode!

Cheers,

David

Post by Helmut
Hi,
it's no sacrilege to use the 'wrong' sideband, if band limits are respected.
On 7 MHz I frequently change the sideband to talk with my friends who run
the Flex 6000 series. The bigger problem is that only a few stations can use
the bit-saving FreeDv mode 700B, which seems a lot more robust and allows
smaller SNRs.
73, Helmut, DC6NY
PS: John, I'm waiting and hoping for our first FreeDV QSO as planned before
the UK Brexit make it impossible, hi. Good luck!
-----Ursprüngliche Nachricht-----
Gesendet: Freitag, 20. Januar 2017 06:47
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?
Hi All,
The new piHPSDR-Console for ANAN transceivers unfortunatly also has
implemented FreeDV on all bands in USB. I have allready told them to
change.
Regards
Gerhard
-----Ursprüngliche Nachricht-----
Gesendet: Freitag, 20. Jänner 2017 02:24
Betreff: Re: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and
USBabove?
FreeDV follows the SSB convention as has HF digital voice since day 1. QRM
avoidance is aided (not necessarily avoided) when both modes are using the
same "sideband."
Flex is now aware of this and I am sure will make the change upon the next
update of FreeDV.
Mel
-----Original Message-----
Sent: Thursday, January 19, 2017 5:40 PM
Subject: [Freetel-codec2] FreeDV always USB or LSB below 10Mhz and USB
above?
Is FreeDV always USB like all digital modes or does it follow the guideline
of LSB below 10Mhz and USB above?
I use the FlexRadio SmartSDR waveform and have been working under that
assumption that they have implemented it correctly to only use USB. The USB
standard as I understand for digital modes in dependent of SSB guideline of
LSB below 10Mhz and USB above).
----------------------------------------------------------------------------
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tech sites, SlashDot.org! http://sdm.link/slashdot
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