[Lowfer] WSPR (MEPT) mode tests

lloyd chastant chastant at smart.net
Fri Mar 14 18:28:41 EST 2008


Copy hr ..nice
de Lloyd W3NF


C:\WSPR> wspr Rx 0.507
2250  11 -16   0.5   0.508500  W1TAG FN42 55              7.6
2252  12 -15   0.4   0.508500  W1TAG FN42 55              7.4
2254  11 -12   0.4   0.508500  W1TAG FN42 55              7.1
2256  15 -14   0.4   0.508500  W1TAG FN42 55              6.9
2258  16 -14   0.4   0.508500  W1TAG FN42 55              6.8
2300  11 -15   0.5   0.508500  W1TAG FN42 55              6.5
2302  11 -13   0.5   0.508500  W1TAG FN42 55              6.6
2304  16 -12   0.4   0.508500  W1TAG FN42 55              7.2
2306   7 -11   0.5   0.508500  W1TAG FN42 55              7.7
2308  12  -9   0.4   0.508500  W1TAG FN42 55              8.4
2310  10 -10   0.4   0.508500  W1TAG FN42 55              7.4
2312  18 -14   0.4   0.508500  W1TAG FN42 55              7.2
2314   9 -14   0.4   0.508500  W1TAG FN42 55              7.5
2316   7 -15   0.4   0.508500  W1TAG FN42 55              7.4
2318   9 -18   0.4   0.508500  W1TAG FN42 55              7.6
2320   7 -13   0.5   0.508500  W1TAG FN42 55              8.0
2322   6 -12   0.6   0.508500  W1TAG FN42 55              8.4
2324  16 -10   0.7   0.508500  W1TAG FN42 55              8.6


On Fri, Mar 14, 2008 at 5:39 PM, John Andrews <w1tag at w1tag.com> wrote:
> WE2XGR/3 will experiment tonight with the newly-released WSPR-JT
>  software by Joe Taylor, K1JT. This program implements a narrow-band FSK
>  mode called MEPT, currently being used for propagation beacons at 30 meters.
>
>  WSPR-JT receives audio signals from 1400 to 1600 Hz, and logs any MEPT
>  signals found in a given 2-minute period. It handles multiple signals,
>  so many beacons can be run in that 200 Hz segment, as each signal only
>  takes up about 6 Hz.
>
>  WSPR-JT is presently a command-line program. You open a "DOS box" from
>  Windows and type the setup instructions. To receive the tests tonight,
>  type "WSPR Rx 0.507". Set your receiver to 507.0 kHz, USB. WE2XGR/3 will
>  be at 508.5 kHz, which is a 1500 Hz audio output from the receiver. If
>  any other Part 5 stations participate, we should stay 20 Hz or so apart.
>  Joe Taylor recommends that transmitting and receiving computers be set
>  within 1 second of actual time. Jay and I have been using the Dimension
>  4 software to keep the clocks in line. Download from:
>  http://www.thinkman.com/dimension4/
>
>  I will try to be on the air at 2300 UTC, and keep it running until 0200
>  UTC. For tonight, I will stick with the usual 300 watts or so from the
>  transmitter. Since the program will not presently accept the WE2XGR/3
>  callsign, I may use something shorter, perhaps W1TAG. There will be a
>  legal Part 5 CW ID every 29 minutes.
>
>  Instructions may be downloaded at:
>  http://physics.princeton.edu/pulsar/K1JT/WSPR_Instructions.TXT
>
>  The WSPR program may be downloaded at:
>  http://physics.princeton.edu/pulsar/K1JT/WSPR.EXE
>
>  John Andrews, W1TAG / WE2XGR/3
>  _______________________________________________
>  >From the Lowfer mailing list
>  Send messages to: Lowfer at mailman.qth.net
>  To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer
>


More information about the Lowfer mailing list