[karc] Re: FW: [hflink] WF9XJD - Experimental Station - Operating Schedule - 2 Feb 2012
- From: Paul Taenzer <ptaenzer@xxxxxxxxx>
- To: les.lindstrom@xxxxxxxxxxxx
- Date: Thu, 2 Feb 2012 07:16:08 -0500
Looks fascinating.
I'm keen to play with it.
It ROS a legal mode in Canada?
Paul VA3LX
On Wed, Feb 1, 2012 at 9:24 PM, les.lindstrom lindstrom <
les.lindstrom@xxxxxxxxxxxx> wrote:
> For all that may be interested to see if spread spectrum can co-exist with
> other modes.Forwarded for your information
>
> Les Lindstrom
> VE3KFS/CIW650
> Kingston
> 613 634 4247
>
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> To: digitalradio@xxxxxxxxxxxxxxx; 30MDG@xxxxxxxxxxxxxxx;
> TBD160@xxxxxxxxxxxxxxx; hflink@xxxxxxxxxxxxxxx
> From: ka1gmn@xxxxxxxxx
> Date: Wed, 1 Feb 2012 11:18:45 -0600
> Subject: [hflink] WF9XJD - Experimental Station - Operating Schedule - 2
> Feb 2012
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> Fellow operators,
>
>
> Experimental station, WF9XJD, will be making spread spectrum transmissions
> based on the following schedule:
>
>
> Note - Dial frequencies.
>
>
> Date: 02 Feb 2012
>
> Time: 0000Z - 0155Z
> Frequencies(MHz): 10.132(primary ), 10.133 (alt #1), and 10.134MHz (alt #3)
>
> Modes: ROS16/500, ROS8/500, ROS4/500
> Bandwidth: .5 KHz
>
> ROS Version: 6.9.0
> Transceiver: Flex 5000A
>
> Transmitter Power: .5 to 25 Watts
>
>
> Date: 02 Feb 2012
> Time: 0200Z - 0355Z
>
> Frequencies(MHz): 7055(Primary), 7.039(alt #1), 7044(alt #2), 7115(alt #3)
> Modes: ROS 16/500, ROS 8/500, ROS 8/500, ROS16/2000, ROS8/2000, ROS4/2000
>
> Bandwidth: <=2.5 KHz
> ROS Version: 6.9.0
>
> Transceiver: Flex 5000A
> Transmitter Power: .5 to 25 Watts
>
>
> Date: 02 Feb 2012
>
> Time: 0400Z - 0600Z
> Frequencies(MHz): 3.583(Primary), 3.585, 3.595
>
> Modes: ROS16/2000, ROS8/2000, ROS4/2000
> Bandwidth: <=2.5 KHz
>
> ROS Version: 6.9.0
> Transceiver: Flex 5000A
>
> Transmitter Power: .5 to 25 Watts
>
>
> Activities Planned:
> (1) Check frequency occupancy by other services. If occupied, move to
> alternate #1 frequency. If alternate #1 is occupied move to the
> alternate #2. Terminate operations if all planned frequencies are
> occupied.
>
> (2) Test of CW functions - station identification/announcement.
>
> (3) Test of announcement messages via ROS along with CW identification.
>
> (4) Transmissions at incremental power levels. Monitoring stations
> providing reports. Determine minimum power levels to maintain error
> free copy.
>
> (5) As time permits, exchange of messages with other stations
> operating under a Part 5 STA and stations outside US .
>
> Description of WF9XJD?s Operation
>
> The station is operating under an STA granted by the FCC Experimental
> License Service to experiment with spread spectrum on the HF and VHF bands
> assign to the Amateur Radio Service(ARS). The control operator of the
> station is Phil Williams, KA1GMN. The goal of this experiment is to
> determine if spread spectrum can co-exist with other emission types
> authorized in the ARS.
>
>
> The ROS MODEM is one of the spread spectrum modes that will be transmitted
> during the operation of the station. Depending on the operating frequency,
> the bandwidth of the ROS MODEM can range from .500 to 2.5KHz. The signal
> is transmitted much like any other digital mode using a SSB transceiver
> that is operating upper single sideband (USB). Two model of radios have
> been authorized:
>
>
> Flex-Radio Flex 5000A
>
> Yaesu FT-857D
>
>
> Interference from WF9XJD
> One of the stipulations of the the Special Temporary Authorization (STA),
> is that the station is on the amateur radio frequencies strictly on a
> secondary basis. This experimental station cannot interfere with any other
> service. If I am notified of interference, I must cease operations
> immediately. If you suspect that I am causing interference, please contact
> me immediately. The first thing I will do is stop transmitting. Please
> help me mitigate the interference issue by providing date, times, and
> frequencies of the interference. You don?t have to gather up these details
> when you initially suspect that I am causing interference, that can be
> gathered up later.
>
>
> Contact Information:
>
>
> WF9XJD
> Phil Williams
> ka1gmn@xxxxxxxxx
> cell: 469.682.5393
>
>
>
> How to participate in WF9XJD?s Experimental Operation
> Monitoring stations play an important role in this experiment by providing
> signal reports to the experimental stations. We are looking for a many
> monitoring station to participate as possible. Monitoring stations will
> decode and send decode data transmission using the ROS MODEM application.
> You can download the ROS application here:
>
>
> http://rosmodem.wordpress.com/
>
> The ROS MODEM application will decode the ROS transmissions and provide
> detailed signal reports. An example of the decoded text is how below:
>
> RX8: 18:01 @ 0.0 Hz: CQ CQ de WF9XJD WF9XJD <CRC-OK> -9 dB WF9XJD
> WF9XJD miles @ 043 14.101 Mhz
>
>
> RX8 - Baud rate used.
>
> 18:00 - Time of when signal received and start of decoding.
> @ 0.0 Hz - Center frequency error
>
> <CRC-OK> - Signal decode with no errors.
> -9 dB - Signal to Noise ratio of decoded signal
>
> @ 43 - Bearing of transmitting station.
> 14.101 MHz - Dial frequency
>
>
> The are two methods of forwarding the signal reports to WF9XJD. The first
> method is to manually send the signal reports to:
>
>
>
> wf9xjd@xxxxxxxxx
>
> Signal reports can simply be copied from the receive window of the ROS
> application and e-mailed to wf9xjd@xxxxxxxxx . Please ensure that you
> send the completely decoded transmission:
>
>
> Correct - RX8: 18:01 @ 0.0 Hz: CQ CQ de WF9XJD WF9XJD <CRC-OK> -9 dB
> WF9XJD WF9XJD miles @ 043 14.101 Mhz
>
>
> No so correct - CQ CQ de WF9XJD WF9XJD <CRC-OK>
>
>
> You may also decode ROS transmissions with errors <BAD-CRC>. These
> reports are equally important:
>
>
> RX8: 15:01 @ -23.4 Hz: Cqt | de hIomQCN de IZ2QCN in JN45oq kca <BAD-CRC>
> -18 dB 5324 miles @ 043 21.110 Mhz
>
>
> The second option is to enable automatic forwarding of signal reports to
> wf9xjd@xxxxxxxxxx This feature requires configuration of the ROS
> application. Details on how to configure this feature is described later
> is this message under the title, ?ROS Automated Signal Reporting?.
>
>
> You contribution of signal report will help determine what power levels
> are necessary for successful decoding the spread spectrum signal.
>
>
> Thank you for taking the time to participate in this experiment. You
> contributions are greatly appreciate. Please feel free to send me
> questions about the operation of WF9XJD that you may have.
>
>
> 73 from Texas,
>
>
> Phil Williams
>
> Control Operator, WF9XJD
> ka1gmn@xxxxxxxx
>
> --
> Phil KA1GMN
> Experimental Station - WF9XJD
>
>
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