2020-08-02

02:39:50Z VU3OBR Saro Welcome VU3WTJ
03:30:06Z VU3WTJ Sir hi
03:43:08Z DG2TF Falko guten Morgen..
03:44:42Z DB4ZW Peter guten Morgen
03:48:28Z F5NVP René GM all. no beacon this morning ???
04:06:42Z F1UPL_Hervé Bonjour rené, on respire ce matin. Pas de trop grande chaleur.
04:12:44Z F1UPL_Hervé GM all
04:17:18Z M1SJE_Sarah Morning, nice signal :)
04:17:26Z M1SJE_Sarah mer6 d4
04:17:46Z F1UPL_Hervé Tnx MSJE.
04:18:29Z M1SJE_Sarah you got up to mer9 then :)
04:28:10Z M1SJE_Sarah mer10 then :
04:28:14Z M1SJE_Sarah :)
04:29:20Z F1UPL_Hervé ;)
04:30:02Z F1UPL_Hervé Nice config...
04:30:21Z DB4ZW Peter E1UPL Mer 10,2 D9..Super
04:30:53Z F1UPL_Hervé Mer 8.1 D5 super on dish 2.3m
04:31:28Z DB4ZW Peter F1UPL
04:31:46Z F1UPL_Hervé yes...
04:47:29Z F1UPL_Hervé Gm Frank, sind Sie das neue QO100-Leuchtfeuer?
04:51:28Z DDØCW_Frank. gm Herve.
04:51:49Z M1SJE_Sarah well that was almost a panic attack, the pa just stopped transmitting and i thought i popped something
04:51:59Z DDØCW_Frank. yes, it's a rare chance to tx so low , hi
04:52:06Z M1SJE_Sarah think i over heated the psu because the 12v line was at 4v
04:53:49Z M1SJE_Sarah had the control box down from the shelf and blocked the fan outlet. all working now though
04:54:14Z F1UPL_Hervé OK
04:54:24Z M1SJE_Sarah nice 16apsk signal, mer11
04:54:30Z M1SJE_Sarah d1
04:59:31Z DDØCW_Frank. and also goog chance for APSK on 1 M w/o overpower limit :-)
04:59:44Z DDØCW_Frank. sri: good chance
05:01:06Z F1UPL_Hervé Without the reference tag, we can let go a little bit about the power :)
05:01:11Z FR4LI Nicolas Hello everybody , No beacon this morning ?
05:01:33Z M1SJE_Sarah yup, it's no beacon sunday apparently 😂
05:01:34Z F1UPL_Hervé Bonjour Nicolas, eh non pas de balise ce matin ;)
05:02:13Z F1UPL_Hervé 😂😂😂😂😂😂😂
05:02:42Z IU2KAC_Liborio Buongiorno a tutti!
05:02:46Z FR4LI Nicolas Slt ? Tu connais la raison ?
05:03:21Z F1UPL_Hervé NON, je ne connais pas la raison.... un oublie de payer la facture EDF 😂
05:04:36Z F1UPL_Hervé Nicolas, as-tu réussi à trouver un fournisseur pour te livrer ta nouvelle parabole ,
05:06:07Z FR4LI Nicolas Non pas encore en FOX c'est + de 500 euros de port .On cherche un fournisseur de parabole en pétale pour reduire le cout et l encombrement .
05:06:35Z FR4LI Nicolas Je reste sur ma PF de récup pour le moment .
05:07:15Z F1UPL_Hervé ok, je t'avais renvoyer un lien (via Skype) je ne sais pas si tu en as pris connaissance ?
05:08:20Z F1UPL_Hervé https://french.alibaba.com/product-detail/c-band-8-feet-satellite-dish-antenna-factory-price-60719837285.html?spm=a2700.md_fr_FR.deiletai6.7.16261cc4VzYoZH
05:12:14Z FR4LI Nicolas C'est rare que j utilise skype , je suis avec Whatapp .. Merci pour le lien , je communique ca au Om en FR . Merci
05:41:34Z EA6WQ-Tom MORNING EVERYONE ...
05:41:52Z EA6WQ-Tom No beacon this morning ...
06:21:02Z oe6skg GM
06:21:15Z oe6skg on holiday
06:30:12Z Joe DJ4ZZ And low signal comes back
06:43:04Z Joe DJ4ZZ DM2ETL D5 MER 11,5
07:11:18Z Joe DJ4ZZ ZS6YI do you not see the over power warning?
07:13:44Z iz0axf_francesco buongiorno a tutti
07:19:15Z IK2OWU-ANTONIO BUONGIORNO E BUONA DOMENICA A TUTTI.
07:21:00Z on8yy bonjour a tous charles
07:21:53Z ZS6YI Gary Dj4zz, no overpower warning but I was just testing for 3 seconds to see what difference it makes to the MERR
07:24:05Z IK2OWU-ANTONIO BUONGIORNO
07:32:52Z PA2WFM-Herman ON8YY nice audio
07:33:00Z PA2WFM-Herman D2
07:54:09Z on8yy merci
07:54:18Z PA2WFM-Herman F1UPL D4 Try 16 PSK
07:55:31Z ON1NH-HUGO testing pa
07:56:40Z PA2WFM-Herman F1UPL D3 still strong :-)
07:57:02Z F1UPL_Hervé Trying 16APSK fec 2/3...
07:57:19Z PA2WFM-Herman Yes, perfect. Try 32PSK
07:57:36Z F1UPL_Hervé ok. wait....
07:57:42Z PA2WFM-Herman haha
07:59:58Z PA2WFM-Herman Was 11 dB MER, not enough :-)
08:01:03Z PA2WFM-Herman 12.5 Db. 14 dB needed. Sorry, can not decode it
08:01:11Z F1HKT_james 11.4 no video
08:01:26Z PA2WFM-Herman Maybe with Fec 2/3
08:03:47Z PA2WFM-Herman Ok, back on 16PSK. This works great
08:03:52Z F1UPL_Hervé Fec 2/3 impossible on 23 PSK
08:03:56Z PA2WFM-Herman I have to go. 73
08:04:07Z PA2WFM-Herman Ok. understood
08:04:18Z F1UPL_Hervé ok bye see you later 73's
08:04:18Z PA2WFM-Herman bye. Have a nice day
08:05:31Z IK1HGI TONY IK2OWN mi sa che una bufala 50watt
08:06:01Z IK1HGI TONY anzi 30 watt mi corrego
08:06:17Z IK2OWU-ANTONIO CIAO TONY IO SONO OWU
08:07:47Z IK1HGI TONY scusa sono con cellure
08:08:03Z IK2OWU-ANTONIO E LANTENNA CHE CONTA SE BUONA BASTANO 30 WATT
08:08:46Z IK1HGI TONY si ok mi hanno regalato una da 120 ma nulla
08:09:01Z IK2OWU-ANTONIO TONY CHE TU SAPPIA COME MAI NON CE PIU IL BEACON
08:09:29Z IK1HGI TONY chiedi hai autori
08:09:42Z IK1HGI TONY vedo tutto sul cell
08:09:58Z IK1HGI TONY sono in piscina dal figlio
08:10:21Z ON1NH-HUGO hello?
08:10:44Z IK2OWU-ANTONIO OK IO SONO ALLA CASA IN PUGLIA TENUTA ESTIVA.
08:12:34Z F1UPL_Hervé Bonjour Joël
08:13:36Z F5UII Christian Mire rigolote Charles.
08:14:24Z F4NAS-joel salut Hervé 73
08:15:04Z F4NAS-joel Salut Hervé , 73
08:16:31Z on8yy merci christian
08:17:18Z F1UPL_Hervé Bonjour Christian.
08:33:20Z F5UII Christian Bonjour Hervé
08:33:36Z F5UII Christian Très belle image HD 2MS tout à l'heure
08:34:08Z F1UPL_Hervé Ok, merci.... pas de balise de référence.... on se lache un petit peu :)
08:34:57Z DDØCW_Frank gm all
08:37:06Z DD4YR Robert gm Frank, Bakenersatz ?
08:37:31Z F5UII Christian Presque la place pour 4MS
08:37:47Z DDØCW_Frank war heute früh schon dort, aber letztes mal gab's ja einen Anschiß vom Cheffe perönlich
08:38:11Z DDØCW_Frank sri die Schreibfehler ...
08:38:19Z DD4YR Robert Aja, Sperrgebiet ....
08:38:47Z DDØCW_Frank genau, ich wohne ja übrigens hier im Zonenrandgebiet.
08:39:01Z DD4YR Robert Ahh, drum bist Du immer ganz links ....
08:39:11Z DDØCW_Frank füher hat die Grenze hier sogar eine Straße durchschnitten
08:39:48Z DDØCW_Frank aber je weiter links hier die Frequenzen, desto sauberer.
08:39:58Z DDØCW_Frank Hast Du das auch schon bemerkt ?
08:47:40Z ON5VW Marc ON8YY Mer 5,5 D2 belles images & musique Charles
08:48:39Z on8yy merci marc
08:50:00Z OM0MS_Stevo už ta mam
08:51:56Z DK2DB_Ewald gm Jürgen
08:53:53Z DK2DB_Ewald jaja hab grad eingeschaltet
08:53:53Z DL8SDQ Juergen Hallo Ewald guten Morgn
08:59:29Z DD4YR Robert Ja, links scheint die Vestärkung linearer zu sein, nach rechts fällt sie ab.
09:04:50Z DL8SDQ Juergen Ewlad,
09:06:24Z DL8SDQ Juergen ich kämpfe zur Zeit mit den Restriktionen von USB 3 und der Anzahl von Geräten b.z.w Resourcen die benötigt werden
09:06:59Z DL8SDQ Juergen Hello Pavel
09:07:16Z DK2DB_Ewald Moment Jürgen, bin am tel
09:08:52Z DD4YR Robert Hallo Jürgen, 7 Geräte pro USB 3.0 port ?
09:10:50Z OK1PHU Pavel dl8sdq hello Juergen
09:11:04Z DL8SDQ Juergen Robert das Problem ist der Root controller wie es aussieht der Erlaubt nur eine bestimmten Anzahl von Verbindungen und ein Gerät kann mehrere Verbindungen haben
09:13:34Z ON6GJ Julien dag Marc was 9.1 dB MER
09:15:38Z ON5VW Marc Dag Julien bedankt voor rapportje, heb een paar probleempjes met OBS
09:15:54Z DD8GW_GUENTER morgen mein freund ewald
09:16:25Z DD8GW_GUENTER grrrrrrrade soooooo hiiiiii
09:17:45Z DD8GW_GUENTER ok
09:17:56Z ON5VW Marc ON6GJ 9,1 dB MER da heb je een goede ontvangst !
09:18:06Z ON6GJ Julien Marc als je vanavond qrv bent , heb nog een aantal vraagjes, moet er nu vanonder
09:18:20Z DD8GW_GUENTER der war schon da
09:18:28Z DD8GW_GUENTER juergen
09:19:16Z ON5VW Marc ON6GJ RR zal transceiver opzetten 73
09:19:59Z DL8SDQ Juergen Guten Morgen Günter
09:20:43Z DD8GW_GUENTER tzzzzzzzzzzzzz kein manier hiiii
09:21:54Z DD8GW_GUENTER oh die bake sinkt ab
09:23:08Z DD8GW_GUENTER danke ewald 73
09:26:37Z IK8OZV -Enzo gm all
09:28:08Z PE1ASH RENNY GM Enzo
09:37:23Z DDØCW_Frank Guten Morgen Werner
09:37:55Z DDØCW_Frank auch wenn er hier nix mitkriegt ...
09:59:22Z IK8OZV -Enzo Any Minitiouner expert online?
09:59:40Z IK8OZV -Enzo please what happened to the beacon???
10:07:16Z IK1HGI TONY antonio ik2owu mandami un messaggio su whatsApp
10:07:50Z IK1HGI TONY non ho il numero
10:09:09Z G0DQH-James /nick-G0DQH James
10:12:39Z Martin-G8KOE GM Jim
10:13:33Z IU2KAC_Liborio PY2RN,mer 6.3/D2
10:15:35Z G0DQH-James Morning Martin
10:15:53Z Martin-G8KOE Hope IOW was OK
10:17:06Z G0DQH-James Yes it was, I have some videos to put on Thursday evening.
10:19:04Z Martin-G8KOE That's good I was testing my RX system streaming etc during last net
10:19:53Z IU2KAC_Liborio Ciao Antonio.
10:20:07Z IK8OZV -Enzo Please why no Beacon^
10:20:16Z IK1HGI TONY ciao
10:24:37Z IK2OWU-ANTONIO LIBORIO CI SEI
10:25:34Z IK2OWU-ANTONIO BUONGIORNO
10:26:05Z IU2KAC_Liborio devi modificare la scritta,non sono 30W,ma più di 100W!
10:26:31Z IK2OWU-ANTONIO FACCIAMO UNA PROVA
10:26:56Z IU2KAC_Liborio per ora non posso.
10:27:56Z IU2KAC_Liborio Io ho trasmesso stamattina alle 7.30.
10:28:39Z IU2KAC_Liborio senza il Beacon arrivi più forte!
10:29:23Z IU2KAC_Liborio MER 6.4/D3
10:33:01Z IK2OWU-ANTONIO IL SEGNALE E BUONO
10:33:27Z IK8OZV -Enzo Scusa Antonio IK2OWU non usare le maiuscole
10:33:46Z IK2OWU-ANTONIO ok
10:37:07Z ON1RC Chris IK2OWU Over Power
10:42:25Z IK8OZV -Enzo Scusa Antonio AD per cosa sta?
10:46:41Z ik2owu-antonio ok
10:47:34Z IK2OWU-Antonio ok
10:48:43Z AMSAT-DL Please no transmissions on the A71A DATV Beacon frequency, which is exclusively for our groundstation. Thank You. Beacon shall be back soon.
11:15:17Z AMSAT-DL PLEASE NO TRANSMISSION ON THE DATV BEACON FREQUENCY
11:15:53Z IK1HGI TONY ok fb good no tx
11:29:46Z DDØCW_Frank let me be your beacon trough the darkness .... :-)
11:30:25Z IU2KAC_Liborio DD0CW,you cannot transmit on the Beacon slot!
11:32:08Z DDØCW_Frank tnx for report
11:33:24Z DDØCW_Frank but you have seen: I can. Do you mean I shouldn't ?
11:34:26Z IU2KAC_Liborio Absolutely not!
11:48:43Z DC5XL_Rocco Tschüß Ihr beiden
11:49:26Z Joe DJ4ZZ Hallo Rocco und cu//
11:49:33Z DDØCW_Frank Hi Rocco, da bin ich wieder mal neg. aufgefallen
11:50:00Z DDØCW_Frank Hatte eingeschaltet, keine Bake da. Chat nicht zurück gescrollt.
11:50:18Z DDØCW_Frank Und mal auf Baken-Frequenz kurz probiert.
11:50:38Z DDØCW_Frank Also hiermit 1000 x Entschuldigung ...
11:51:36Z DC5XL_Rocco habs mitbekommen , Frank
11:52:24Z DC5XL_Rocco noch funktoniert das Bild bei der Bake nicht
11:52:32Z DDØCW_Frank aber jetzt ist die Bake so richtig kaputt !
11:52:59Z DC5XL_Rocco aber gut Power
11:53:58Z DDØCW_Frank na gut, warten wir mal ...
11:54:15Z DDØCW_Frank bin dann ma wech
11:54:33Z Joe DJ4ZZ Eigentlich wie im bei mir MER 11.1 D7
11:58:34Z DD1US Hi Gary, good copy ... your photograph seems to be a bit outdated LOL
12:19:30Z IK2OWU-Antonio ok
12:27:09Z FR4LI Nicolas Hello, The beacon is now on. Are there any stations which decode correctly ?
12:27:58Z DD1US no, still problems, sorry
12:28:19Z F5UII Christian No good decoding of A71A beacon
12:28:51Z AMSAT-DL Sorry, please ignore the beacon conntents.. it sending garbage at the moment
12:29:06Z DD1US Christian good copy of TM40 petite ballon
12:29:23Z F5UII Christian Tks Matthias
12:29:36Z FR4LI Nicolas Thanks everybody🤗🤗
12:29:38Z TM40PB Danke Matthias
12:29:47Z TM40PB Danke Matthias
12:31:38Z DD1US calling you on PB
12:31:56Z TM40PB Not QRV
12:35:06Z IK8OZV -Enzo please any minitiouner HW expert online?
12:35:20Z AMSAT-DL DATV BEACON: WE ARE PLANING A MAINTENANCE SESSION TOMORROW AT 08:00 UTC WITH FIRMWARE UPDATE
12:36:15Z AMSAT-DL PLEASE IGNORE CONTENS OF THE DATV BEACON TODAY, IT IS GARBAGE
12:39:41Z DD1US rgr christian
12:41:11Z IK4IDY Alex TM40PB - D4
12:41:18Z TM40PB Tks Alex
12:54:32Z DD1US very interesting video de TM40PB, mni tnx !
12:56:44Z TM40PB Thank you Matthias
12:58:26Z IK8OZV -Enzo i cannot decode any signal with my minitiuoner
12:59:04Z IK8OZV -Enzo and cannot understand what is the problel
12:59:08Z IK8OZV -Enzo problem
12:59:36Z AMSAT-DL https://forum.amsat-dl.org/index.php?thread/3432-qo-100-beacon-bad-ts/&postID=16807#post16807
14:10:58Z HB9IIU Hi Enzo, didi
14:11:19Z HB9IIU did you check if you can decode locally
14:13:43Z HB9IIU Ca passe bien f5UII de Hb9IIU
14:13:56Z TM40PB Bonjour et Merci
14:14:18Z F5UII Christian IIU de UII : Bonjour, et merci
14:14:40Z HB9IIU on a des indicatifs interessants....
14:15:40Z F5UII Christian Suffixes en symétrie axiale ! 🤪
14:15:57Z HB9IIU Daniel Hi!
14:16:36Z HB9IIU Daniel Je suis pas encore QRV en TX mais viens d'installer une parabole 1.2 m
14:16:49Z F5UII Christian bon début Daniel
14:17:02Z HB9IIU Daniel Q'utiliser vous comme feeder (helix ou Poty)
14:17:33Z F5UII Christian Helix, plus efficace qu'une Poty sur une offset (histoire f/d)
14:18:40Z HB9IIU Daniel Parfait, je suis bon alors, une helix avec LNB au mileu? ou RX sur parabole separee (desole il maque les accents, clavier uS...)
14:19:52Z F5UII Christian Ici, RX sur 80cm séparée - plus simple, pas de compromis à rechercher (ici je n'entends pas l'accent Suisse Hi)
14:22:46Z DK1ZA_Walter @DJ4ZZ, nochmals vielen Dank Jörg. MER4.7, D2 in Molfsee
14:23:01Z HB9IIU Daniel Je suis d'accord. J'ai lu plusieurs articles scientifiques sur le sujet, mais j'obtiens pas les memes resultats pour le nombre de spires pour une 1.2 m. Ca varie de 3.5 a 5.... Que me conseiller vous?
14:24:19Z Joe DJ4ZZ gerne Walter
14:24:43Z F5UII Christian J'ai déterminé avec ce fichier excel de F1AGR http://www.f1afz.fr/montages/parabole2.4/offset.zip
14:25:05Z HB9IIU Daniel Christian votre rapport ici est: -34dB MER 6.1 dB
14:25:34Z HB9IIU Daniel Super, merci pour le lien
14:35:43Z F6GDL_Roland HB9IIU ici hélix 5 spires 1/2
14:35:58Z F6GDL_Roland bjr Christian F5UII
14:36:04Z F5UII Christian 73 Roland
14:36:31Z F6GDL_Roland pas 5 flèches H I
14:39:15Z F6GDL_Roland Christian ton fichier excel semble être en lecture seule ?
14:45:57Z F5UII Christian Il faut activer le contenu sous Excel. Normalement un bandeau jaune est affiché
14:52:21Z F6GDL_Roland bon, peut-être le fait alors que j'utilise Open Office ...
14:54:24Z F6GDL_Roland pourtant les versions récentes d' Open Office sont plutôt compatibles excel.
15:06:01Z G0MJW Mike I can just receive PA2GP MER 5 with this battered 1m dish
15:06:50Z G0MJW Mike DH5FFL MER 6.8 - much easier at 2/3
15:07:05Z G0MJW Mike Can't understand a word though
15:07:39Z G0MJW Mike but that's my fault
15:10:12Z ZS6YI Gary DL1ZAX, MER 9.5 Brilliant signal for 333KS! Video and audio top notch!
15:11:09Z DL1ZAX_Dietmar hello Gerry tnx fer info
15:13:10Z DL1ZAX_Dietmar Hello Mike, tnx fer info, Video send by DL1ZAX, DH5FFL visit Namibia in 2016 befor Charly V55QO
15:30:46Z TEST @ 8.250 only null packets
15:48:11Z IK8OZV -Enzo GA all
16:44:21Z DD8GW_GUENTER hallo dietmar
17:16:26Z DL1ZAX_Dietmar Hallo Guenter
17:44:45Z pe1sde good eving all
17:52:39Z DL1ZAX_Dietmar hello pe1sde, waar kun je de f5oeo firm2201rc krijgen?
17:53:40Z pe1sde van een website ik zoek het even op
17:54:53Z pe1sde firmware.hackhamradio.com
17:55:49Z pe1sde http://qra.f5oeo.fr:2080/beta_for_the_brave/
17:55:51Z DL1ZAX_Dietmar ok, de pagina is niet meer beschikbaar
17:56:01Z pe1sde deze wel
17:56:34Z DL1ZAX_Dietmar geweldig bedankt
18:00:44Z F5UII Christian Dietmar U kunt hier ook firmware-back-ups vinden https://www.f5uii.net/en/transmit-datv-over-qo100-with-sdr-adalm-pluto-f5oeo-plutodvb/4/
18:02:48Z DL1ZAX_Dietmar Christian mni tnx 73 Dietmar
18:03:15Z F5UII Christian You are welcome
18:52:59Z PE1CME_Rob IW1QEF , nice picture, no problems here very stable signal
18:53:23Z iw1qef_Raffaele tnx Rob
19:54:48Z G7JTT-John G0KOO 100% nulls
20:00:42Z markro92 @PY2RN: nice setup, congratulations :)
20:03:00Z ON7ATV~Alain GE all test at 1000sr
20:03:48Z markro92 hi alain :)
20:04:03Z ON7ATV~Alain hello markro all good there
20:04:13Z markro92 ye
20:04:24Z ON7ATV~Alain look to the reurn from the astraunots
20:04:35Z markro92 yes, that's the one i'm watching right now :9
20:04:58Z ON7ATV~Alain wonderfull
20:05:12Z ON7ATV~Alain what a technic
20:05:36Z ON7ATV~Alain look how the capsule is burn from the hot temps hihihihi
20:12:16Z G8ADM-Dave-London F5UII - Thanks...
20:12:23Z ON7ATV~Alain this is a mega moment for the nasa
20:13:46Z F5UII Christian Thank you all for watching
20:14:39Z ON7ATV~Alain hey christian ge
20:14:45Z ON7ATV~Alain at 333
20:16:53Z DD8GW_GUENTER hhello alain
20:17:17Z ON7ATV~Alain hallo Guenter
20:18:27Z DD8GW_GUENTER sehr gutes signal
20:18:54Z ON7ATV~Alain thanks
20:26:55Z DD8GW_GUENTER good music
20:28:00Z ON7ATV~Alain duplex test ???
20:28:11Z DD8GW_GUENTER thanks to info alain
20:29:11Z ON7ATV~Alain anaybody for duplex
20:29:19Z ON7ATV~Alain test delay and rx
20:32:43Z DD8GW_GUENTER good night alain 73
20:32:59Z ON7ATV~Alain ok 73's see you soon guenter
20:33:20Z DD8GW_GUENTER ok see you to
20:34:19Z ON7ATV~Alain :)
20:40:19Z ON7ATV~Alain test test at 1000sr the on7atv
20:40:29Z ON7ATV~Alain GE all have a good night
21:09:23Z PA2GP_Geert Prima Beeld Rob
21:09:52Z PE1CME_Rob Dank je Geert
21:10:01Z ON7ATV~Alain ja prima
21:10:07Z ON7ATV~Alain ikj kom ff naast je
21:10:48Z PE1CME_Rob Mooi, daarom was ik al wat opgeschoven
21:11:32Z PA2GP_Geert wel 1.5Meter Alain HI
21:13:58Z ON7ATV~Alain mom siga
21:17:49Z ON7ATV~Alain ff testen of je me hoort rob
21:25:27Z ON7ATV~Alain good evening alll pe1cme full dupl on7atv
21:35:25Z PA2GP_Geert ik ben weg 73 Rob & Alain
21:39:31Z ON7ATV~Alain ok geert
21:39:34Z ON7ATV~Alain 73's
22:16:47Z ON7ATV~Alain all stations 73's
22:16:57Z ON7ATV~Alain full dupl rob and alain qrt