What is this phenomenon?
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Could it be aircraft scatter with doppler?
Darren, G0HWW
On 15/07/18 15:04, Hans BX2ABT wrote:
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
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Could it be the 'fox tail' from AO-92?
Dave-KB1PVH
Sent from my Galaxy S9
On Sun, Jul 15, 2018, 11:20 AM Darren Long via AMSAT-BB amsat-bb@amsat.org wrote:
Could it be aircraft scatter with doppler?
Darren, G0HWW
On 15/07/18 15:04, Hans BX2ABT wrote:
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
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program!
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Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/ http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
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Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org mailto:AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Hans,
N2YO.com http://n2yo.com/, as I said (I believe) and not 100% that it was XW-2E but seems so, I believe it was this bird that I received but not as the time was same per N2YO and the frequency also
As regards your observation, the waterfall is same as mine, with the same drift which indicates that the frequency is unstable on board as looking like a PLL trying to lock.
May be some more competent OM on the BB may give some more light on this.
73
Jean Marc (3B8DU)
On Jul 15, 2018, at 6:42 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/ http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image <http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png>? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
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Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Scott,
I believe that it was your post on twitter which trigger my check on N2YO when I receive same so to ascertain that it was XW-2E, if not I would probably to thought of it.
73
Jean Marc (3B8DU)
On Jul 15, 2018, at 8:00 PM, Scott scott23192@gmail.com wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Thanks Scott. I turned back the clock on my phone to 0547UTC and ran my tracker and XW2E was indeed right over my QTH at that time. Will try again today to see if I can get any telemetry out of the CW beacon. On DK3WN there is a report from a Japanese ham who decoded it on July 12th.
Cheers,
Hans
BX2ABT
On 07/16/2018 12:00 AM, Scott wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Laugh all you want. GPredict doesn't have an entry for XW2E, so I tuned by hand..........to the wrong frequency. And the pass was an 85 degrees elevation one, so perfect for getting a good strong signal. Murphy's law. In the end I did see some telemetry on 145.890, same as yesterday, but I couldn't detect any CW beacon.
73 de Hans
BX2ABT
On 07/16/2018 08:30 AM, Hans BX2ABT wrote:
Thanks Scott. I turned back the clock on my phone to 0547UTC and ran my tracker and XW2E was indeed right over my QTH at that time. Will try again today to see if I can get any telemetry out of the CW beacon. On DK3WN there is a report from a Japanese ham who decoded it on July 12th.
Cheers,
Hans
BX2ABT
On 07/16/2018 12:00 AM, Scott wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E?
I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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Hi Hans, all,
Between parts of non modulated carrierI receive a small piece of CW telemetry of XW-2E on 145.910 +-3 Doppler shift during the last pass over western Europe (BJ1SF is the callsign of XW-2E) : BJ1SF DFH XW2 then BJ1SF DFH XW2 XW2 AAA
As defunct XW-2E was deleted from the Celestrak data base used by GPredict, create a file named "40909.sat" in the ~/.config/Gpredict/satdata directory with :
[Satellite] VERSION=1.1 NAME=XW-2E NICKNAME=XW-2E TLE1=1 40909U 15049L 18196.46936794 .00000813 00000-0 44380-4 0 9999 TLE2=2 40909 97.4556 201.1699 0012256 291.4063 68.5862 15.17084954155908
(tle from Space-Track)
Have fun withe Wiwang-2E, 73 !
Jean-Pierre F5YG
On 16/07/2018 09:42, Hans BX2ABT wrote:
Laugh all you want. GPredict doesn't have an entry for XW2E, so I tuned by hand..........to the wrong frequency. And the pass was an 85 degrees elevation one, so perfect for getting a good strong signal. Murphy's law. In the end I did see some telemetry on 145.890, same as yesterday, but I couldn't detect any CW beacon.
73 de Hans
BX2ABT
On 07/16/2018 08:30 AM, Hans BX2ABT wrote:
Thanks Scott. I turned back the clock on my phone to 0547UTC and ran my tracker and XW2E was indeed right over my QTH at that time. Will try again today to see if I can get any telemetry out of the CW beacon. On DK3WN there is a report from a Japanese ham who decoded it on July 12th.
Cheers,
Hans
BX2ABT
On 07/16/2018 12:00 AM, Scott wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E?
I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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On 16-07-2018 12:15, Jean-Pierre Godet wrote:
Hi Hans, all,
Hi Jean-Pierre
As defunct XW-2E was deleted from the Celestrak data base used by
XW-2E is still in celestrak, look for NoradID 40909
XW-2E 1 40909U 15049L 18196.46936794 .00000813 00000-0 44380-4 0 9999 2 40909 97.4556 201.1699 0012256 291.4063 68.5862 15.17084954155908
Have fun withe Wiwang-2E, 73 !
Jean-Pierre F5YG
Regards, Jan
Hans,
Will not laugh, as this is natural, we all try things and it is not straight forward particularly with the birds, softwares etc....
I congratulate you to have notice XW-2E anomaly and bring same to the BB for discussion. In spite some OM’s already pin point the issue it is important that all of us keep a watch (and eyes open) on frequencies and share our observations as it may lead to so more discoveries and open new frontiers.
73
Jean Marc (3B8DU)
On Jul 16, 2018, at 1:42 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Laugh all you want. GPredict doesn't have an entry for XW2E, so I tuned by hand..........to the wrong frequency. And the pass was an 85 degrees elevation one, so perfect for getting a good strong signal. Murphy's law. In the end I did see some telemetry on 145.890, same as yesterday, but I couldn't detect any CW beacon.
73 de Hans
BX2ABT
On 07/16/2018 08:30 AM, Hans BX2ABT wrote:
Thanks Scott. I turned back the clock on my phone to 0547UTC and ran my tracker and XW2E was indeed right over my QTH at that time. Will try again today to see if I can get any telemetry out of the CW beacon. On DK3WN there is a report from a Japanese ham who decoded it on July 12th.
Cheers,
Hans
BX2ABT
On 07/16/2018 12:00 AM, Scott wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net
mailto:hans.bx2abt@msa.hinet.net> wrote:
Could you please take a look at this image < http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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Hans,
I copy very strong TLM for all XW/CAS Satellites.
http://lu7abf.org.ar/pass.htm shows times, freqs and doppler.
73, lu7abf, Pedro
On 7/16/18, Jean Marc Momple jean.marc.momple@gmail.com wrote:
Hans,
Will not laugh, as this is natural, we all try things and it is not straight forward particularly with the birds, softwares etc....
I congratulate you to have notice XW-2E anomaly and bring same to the BB for discussion. In spite some OM’s already pin point the issue it is important that all of us keep a watch (and eyes open) on frequencies and share our observations as it may lead to so more discoveries and open new frontiers.
73
Jean Marc (3B8DU)
On Jul 16, 2018, at 1:42 PM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Laugh all you want. GPredict doesn't have an entry for XW2E, so I tuned by hand..........to the wrong frequency. And the pass was an 85 degrees elevation one, so perfect for getting a good strong signal. Murphy's law. In the end I did see some telemetry on 145.890, same as yesterday, but I couldn't detect any CW beacon.
73 de Hans
BX2ABT
On 07/16/2018 08:30 AM, Hans BX2ABT wrote:
Thanks Scott. I turned back the clock on my phone to 0547UTC and ran my tracker and XW2E was indeed right over my QTH at that time. Will try again today to see if I can get any telemetry out of the CW beacon. On DK3WN there is a report from a Japanese ham who decoded it on July 12th.
Cheers,
Hans
BX2ABT
On 07/16/2018 12:00 AM, Scott wrote:
Hello!
As others have mentioned, this is XW-2E. Here is a tweet w/ screen shot that I posted the other day showing ALL of the transmitters doing more-or-less the same thing:
https://twitter.com/scott23192/status/1013583542096416768
73!
-Scott, K4KDR
==========================
On Sun, Jul 15, 2018 at 10:42 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Thanks for the hint. The frequencies are indeed of XW2E and around that time almost all the XW2 sats came flying over. The screenshot was of July 15, 0547UTC, so where can you find if a satellite was indeed over your area at that time in the past? --Hans BX2ABT
On 07/15/2018 10:18 PM, Jean Marc Momple wrote:
Hans,
This is XW2E I believe, it seems that it came back to life, I got same at time this bird was supposed to be over my area.
Also Mike (DK3WN) succeeded to decode its CW telemetry, see his blog http://www.dk3wn.info/p/.
73
Jean Marc (3B8DU
On Jul 15, 2018, at 6:04 PM, Hans BX2ABT <hans.bx2abt@msa.hinet.net > mailto:hans.bx2abt@msa.hinet.net> wrote: > > Could you please take a look at this image < > http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png%3E? > > I'm new to the VHF/UHF world and I have no idea what this is? > Anybody? > > 73 de Hans > > BX2ABT
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Not even going to pretend that I now what it is, but it looks like a signal with Doppler? I’d like to know the answer to your question as well.
Greg N3MVF
On Jul 15, 2018, at 10:04 AM, Hans BX2ABT hans.bx2abt@msa.hinet.net wrote:
Could you please take a look at this image http://bx2abt.com/main/data/_uploaded/image/20180715_1747-baffled.png? I'm new to the VHF/UHF world and I have no idea what this is? Anybody?
73 de Hans
BX2ABT
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participants (9)
-
Darren Long -
Dave Webb KB1PVH -
Greg -
Hans BX2ABT -
Jean Marc Momple -
Jean-Pierre Godet -
PE0SAT | Amateur Radio -
Pedro Converso -
Scott