{{'' | i18n}} {{' Feed' | i18n}}
{{'' | i18n}} {{' Feed' | i18n}}
Common Specialities
{{}}
Common Issues
{{}}
Common Treatments
{{}}


Brandmeister parrot

Benefits of Millet And Its Side Effects

Please refrain from using it for Parrot. TGIF Setup. Auf Grund der Datenschutz-Grundverordnung ist Ihre freiwillige Zustimmung zu unserer Datenschutz-Vereinbarung notwendig. So you need to make sure that you know what the various talkgroups are for each of the DMR networks that you may use. Application for doing an echo test through a private call. PTT. When I try to make a QSO on any channel no one is hearing me. DMR is like making a phone call 27. Any user that is tuned into a talkgroup will hear the traffic from all of other users on that talkgroup, which are usually intended to cover a specific geographic region or However, the Brandmeister Parrot (ID 9990) still gives me the same "Fail to Connect" message when set as a private call (which is needed). Tak informace se poslechnout radioamateřský provoz DMR ! TG 9990, Parrot, listen live. The below table is generated by connecting to the BrandMeister API, this data is live as of the time this page was loaded. So a balance of traffic between the 2 timeslots is wise as well as not carrying all talkgroups on all networks managed by any single c-Bridge. QSY to TAC or UA tg for QSO. The list is not  伟德app安卓版除了多样化的游戏外,网络安全最为客户注重,伟德安卓app下载,实现“ 公平、公正、公开”的高要求,真正保障彩民的权益,伟德手机APP玩法多样,不一样的 . 06: 2/9990 - ECHO/Parrot (not a talkgroup, but a contact, as this is how Brandmeister uses the ECHO/Parrot aplication) 07: 2/2041 - NL Noord (mapped to Reflector 4501) 08: 2/2042 - NL Midden (mapped to Reflector 4502) Brandmeister maintains an online repeater map, here, to help you locate repeaters inside, and outside of Oklahoma. 212 262997 Parrot. Cookie Consent plugin for the EU cookie law Parrot 🔊 311416: SACValley 🔊 311433: BAYAREA-DMR 🔊 311662: UORRT 🔊 314223: Tioga County ARC 🔊 330911: Emergencia 🔊 460666: CHINA SUIZHOU AR 🔊 505999: XLX626B&NZXLXYSF 🔊 530999: XLX626A&YSF 🔊 647647: Reunion Island 🔊 714911: EMERGENCIA PMA 🔊 724942: XLX-YSF 724 🔊 724943: XRF724 C 🔊 724949: Wires-X BR BrandMeister and DMR-MARC. I'm using the TYT md-380 & a arrow 7 element yagi cut for 70cm band. If you are interested in building your own, click here. You can use their "last  When you want to access a DMR repeater, you must have the frequency, Color Code 2. 80320 – QuadNet Array (linked to D-STAR, Brandmeister DMR, Yaesu System Fusion & Wires X 80505 – Australia Wide 89990 – DMR+ Parrot. 446. Self Care. Instead I would like to have it added by hand after downloading the DMR MARC db. marc. TG 9990. On repeaters, these talkgroups typically are on time slot 1. Your privacy is very important to Afternic. Parrot / Echo test - TG 9998, TS 2. Talk Group Network Feed Talk Group ID Time Slot Access INACTIVITY TIMEOUT; NY-Metro : Bronx-TRBO: 444: 1: Full Time: North America: DMR-MARC: 3: 1: User Activated: Worldwide English TGIF Network - Talkgroups . Further work could include more echo and parrot TGs - probably beeing read from a file instead of inserting one after another. conf. Tracker. Using the network, a user can obtain coverage throughout most of the San Joaquin Valley and much of California’s major metropolitan areas. US TALKGROUPS USA – Nationwide (4639) 3100 Alabama 3101 Alaska 31… By Bill Rinker, W6OAV This article is for BrandMeister users who are somewhat familiar with the DMR protocol. 99. This allows you to hear how you sound. net 107. Group Call. 9990. IRL Echo/Parrot 272997 Private Call: 26. I built my first analog FM repeater (GE Progress Line) in college and I have been active Repeater Status: Operational updated: 02/03/2019 Say hello to San Antonio Texas’ first amateur DMR repeater that also happens to be a D-Star repeater thanks to the MMDVM module. (Add to Contact as Private Call) When I hit a parrot it does not repeat back. Support Legal Information Project Halligan Version 1. However when I go to the brandmeister hose page for a given talkgroup I do not see my call sign come up. On some groups, like 310 it shows that there are people talking at the same time however I am unable to hear the conversation in my radio, even after I have a chance to key up. 259 likes. 2. 2. APRS-IS. The “channels” described by their labels, with “BM” meaning “BrandMeister. Description. BrandMeister Last Heard Option: 22. network This webpage is known as the Brandmeister Dashboard. Science, Technology & Engineering. The Brandmeister Wiki website is a great place to start looking for Brandmeister DMR information. atlassian. Lastheard. UK Reflectors and Talk Groups 21. TG 9999  WW-MARC, 1, TS-1, PTT, DMR-MARC TAC-3, 8953, TS-1, PTT, BRANDMEISTER · TAC-3, PTT WITH A 10 MIN ON PARROT, 9998, TS-1, PTT, DMRX make contacts using DMR. 9999. 1 ND SD NE MN IA MO WI IL MI IN OH (DMR-MARC) ( DMR+ 4640) AR LA KY TN MS AL GA FL NC SC (DMR-MARC) (DMR+ 4644). As part of the normal operation of our business services, we collect and, in some cases, disclose information about you. S. Excellent for audio level and distortion testing. Just program the talkgroup number as you always have. 900 is the simplex frequency chosen for the hotspot: Contact (does not need to be created if “Local 9” already exits. 31001. Jun 09, 2018 · In Summary then if you have a UK BrandMeister repeater that you would like to populate to the best advantage, This is my recommend for a code-plug. Mar 27, 2019 · Because the parrot repeater is on the internet, when you hear yourself, this verifies that the repeater is working and it’s connected to the Brandmeister network. Parrot / Echotest - TG 9998, TS 2 This is a network echo test that allows you transmit up to 90 seconds, and after a 5 second pause, will repeat back to you exactly what the network users hear. HAM-DMR. The NorCal BrandMeister Network is comprised of many independently owned and operated DMR repeaters, located from as far south as San Luis Obispo to Chico in the north. As far as I understand, the correct repeater slot, color code, frequencies, talk-groups for the NJTRBO Martinsville repeater are programmed into my radio. Private Call. Please refrain from using  Configuration file location : /opt/BrandMeister/BrandMeister. #1 - Group Call TG 9998 = Parrot , Audio Test Server - PTT #2 - Group Call TG 2 (31663 on Brandmeister) = Local Talk Group - FT Mt. Hytera DMR. Trunking System Profile for BrandMeister NY Linked Amateur Radio Network Trunking System, Regional, New York - Scanner Frequencies All available talk groups on the Brandmeister network: TG 1 Local TG 2 Local/Cluster TG 8 Regional TG 9 Local or Reflector TG 91 World-wide TG 92 Europe TG 93 North America TG 94 Asia, Middle East TG 95 Australia, New Zeland TG 202 Διεθνές Ελλάδα TG 204 Nederland TG 206 Belgium TG 208 France 0 TG 214 Spain TG 216 Hungary TG 219 Croatia Nacionalna TG 220 Serbia TG 222 Italia TG 226 The K4USD Network Administrator: John Burningham, W2XAB w2xab@arrl. 19 Dallas, Texas Available on most repeaters and accessible through most repeaters and Brandmeister Hotspots. net. 10. DMR+ Reflector List Note: This table of DMR+ reflectors is pulled live from the DMR+ IPSC2 network at page loaded. This article does not go into explaining the DMR protocol. 91. It is recommended users look to the individual Repeater pages, within the BrandMeister DashBoard to get up to date information, including Talk Group configurations, about a specific repeater. Right here, if you click CSV, it's gonna let you download. After 6 years of serving the Parrot, 9998, 98, DMRX, Worldwide, N. Parrot. D-STAR. You'll save the BrandMeister master list talkgroup CSV, but you'd be able to find talkgroup files like this around the web. Router  BM PARROT (TG9990) will playback the audio that you transmit into the network on this talkgroup. BrandMeister Talkgroup List There are 1541 available TalkGroups on the BrandMeister network. The Brandmeister Network website is the best source of DMR information. For Slot 1 TG9, TG91 and TG235 in other words National and International. 1: DMR ID to call/name lookups now read from dstar. Getting Started – Codeplugs 4) All BrandMeister regional talkgroups. If you scroll way, way, way down, you'll be able to see all of them. It contains the DMR repeaters in the Oklahoma area, as of the Brandmeister conversion. ○ Gateways. Our network is an all-digital group of over 500 DMR-MARC repeaters in 83 countries with over 144000 registered users. Maybe there some setting in openSPOT that I need to set or look at in order to send private calls? BrandMeister Talk Groups There are 1541 available TalkGroups on the BrandMeister network. Audio Test Only http:// norcaldmr. The recorded voice (max 90 seconds by default, configured BrandMeister. PARROT IS YOUR DMR FRIEND. PAPA’s evaluation of BrandMeister will end on 4/18/2016. Call Zone 6. Basic settings are listed at You will need to u… v Forward I was first licensed as WB8GZR when I was a college freshman, and later as WB9GQM, WB8PUF, and currently as W2XAB. If you have trouble downloading this file, right click on the link, and select “Save Target As” to save it to you a place you can locate on your computer. W7NCX's VU Meter (also listens to Parrot, Wash 2 and PNW Reg 2) BC: 3027 : PTT: British Columbia Local: Bridge (bm) 3100: PTT: Worldwide talkgroup with Brandmeister (very busy) California: 3106 : PTT: California Statewide with Brandmeister connection: Cal-TAC : 3107: PTT 9990 – The Brandmeister Parrot All repeaters are linked by default to the West Midlands reflector (4418) on SLOT 2 / TG 9. •Test on a talkgroup like Parrot Brandmeister Dashboard The Brandmeister DMR network webpage is accessed at brandmeister. 7. {"tourEnabled":false,"wacLink":"https://www. Or put another way, a talkgroup is a method of organizing radio traffic specific to the DMR users that all want to hear the same thing and not be bothered by other radio traffic on a DMR network that they are not interested in hearing. Parrot listen live. GB7DJ (local) Local, GB7DJ Local, Network Reflector (4400), Parrot Test  3 Sep 2019 This repeater is linked to and carries the core PNW-DMR (Pacific NorthWest DMR Group) Parrot (9998) – This is a playback test talkgroup. Parrot / Echo test - TG 9998, TS 2 This is a network echo test that allows you transmit up to 90 seconds, and after a 5 second pause, will repeat back to you exactly what the network users hear on their end. 29 May 2020 — The following includes a select list of hotspots, based upon conversations with persons whose opinions I and friends trust. Parrot Application for doing a echo test through a private call to ID 9990. Talk Group Network Feed Talk Group ID Time Slot Access INACTIVITY TIMEOUT; NY-Metro : Bronx-TRBO: 444: 1: Full Time: North America: DMR-MARC: 3: 1: User Activated: Worldwide English Feb 02, 2018 · Hello all, I have a TYT MD-2017. Okay, so BrandMeister talkgroups. BRANDMEISTER VERSES DMR MARC Before beginning, definitions must be made: Time Slots – … Talkgroup Available on BrandMeister (Full List) Available on BrandMeister Talkgroup ID Local 1 Local 2 Regional 8 Local or Reflec TALKGROUP PLETHORA: While using multiple talkgroups for a various purposes may be handy, the downside in having "too many" talkgroups is that there is likelihood of congestion or busies on the two timeslots. NorCal. DMRNET 5021 Talkgroups Name Talkgroup ID Timeslot Local 1 1 Local 2 1 Local 9 1 Simplex 99 1 Worldwide 91 2 Malaysia National 502 2 West Malaysia 5021 2 East Malaysia 5022 2 Malaysia Linking ( YSF, Wires-X, XLX Bridge ) 50210 2 We recommend the use of dynamic talk groups on time slot […] May 24, 2016 · The parrot function in the German Brandmeister net uses the DMR ID 262997 which is of course not contained in the user db on dmr. Brandmeister Setup Brandmeister has no prefix. At that time we will poll members Master Domain IP Address Location Donations 3101 3101. ----. Hellenic Tech 1. Repeater Status: Operational updated: 02/03/2019 Say hello to San Antonio Texas’ first amateur DMR repeater that also happens to be a D-Star repeater thanks to the MMDVM module. Beacon, NY NY4Z 441. Digital Analogue Ham 23,435 views Brandmeister World Wide Talkgroups & Reflectors Talkgroup/Reflector Name TG/RF No XRF088 B 88 World-wide 91 Europe 92 North America 93 Australia, New Zeland 95 Διεθνές Ελλάδα 202 Nederland 204 Belgium 206 France 0 208 Spain 214 Italia 222 Romania 226 Switzerland 228 Czech Republic 230 United Kingdom 235 Denmark 238 Sweden 240 Below is a prototype table of BrandMeister talk groups. A programming example for OpenSpot in ‘simple’ mode or the DV4Mini. Hoseline 2. The standard talkgroups for a BrandMeister server are as follows. Setting up GPS support on your radio is easy and once setup works well. Brandmeister has no prefix. Timeslot. 6625 Contact. MHZ CC7 Time Slot #1 - Group Call TG 347639 Disney - FT #1 - Group Call TG 9998 = Parrot, Audio Test Server - PTT #1 - Group Call TG 9 Local Talk Group - FT Wir verwendet Cookies für alles Mögliche (Werbung, Google, Facebook, NSA ). Brandmeister Repeaters South. T G I F NETWORK. " BM talkgroup 91 ("world wide") has a lot of activity. repeater. Parrot (tg-9990) is used for testing audio levels. Jede TG   This is the home for Digital Mobile Radio (DMR) information in Oklahoma. Brandmeister News: 20. fi for location information. 14 New York, New York LINK 3102 3102. Click the link to activate the talkgroup on the Hoseline site. BrandMeister and DMR-MARC. BrandMeister Getting Started Guide This guide is intended to help PAPA members learn about and explore the BrandMeister network. IRL APRS - 272999 not 5057: 24. It is a homebrew repeater using analog radios and spare parts. Static. Apr 24, 2016 · Showing how to test your audio with the parrot option. Use of a given talkgroup on the wrong timeslot will result in either the traffic not being repeated through the network to other systems and/or violates usage policies. 450 + 5. 3 Jul 2016 #9990 or #310997 Parrot. 1 Aug 2019 timer, BrandMeister, DMR-PLUS, Hytera network, Dongles etc. DMR Hotspot Setup, Techniques, and Equipment David Feldman, W7NCX SeaPac - June 2, 2019 –Brandmeister/TGIF –DMR via YSF. * You need to check with your local repeater   Local 9 (tg-9) is a local only channel but can be used to link reflectors according to the Brandmeister instructions. DeutschWurst. This is just one of them. There are 368 reflectors available on the DMR+ network. TG 333 –PTT (DMR Plus-NY reflector); First Coast- TG 31121- PTT; World Wide TG 1 -PTT; World Wide English TG 13-PTT; Parrot Audio Test TG 9998- PTT . Links are to the BrandMeister Hoseline service, so you can get an idea of the activity on the talkgroups. TGIF is 4 and the talkgroup numbers are 6 digits. 2 May 2020 It turns out that effort became our exit from serving the DMR community. UK Echo/Parrot 9990 Private Call 25. Have you been wondering about DMR or Talkgroups | BrandMeister Country Talkgroup Name Global 91 World-wide LH HoselineWiki Global 92 Europe LH HoselineWiki Global 9990 Parrot LH HoselineWiki Jun 09, 2018 · In Summary then if you have a UK BrandMeister repeater that you would like to populate to the best advantage, This is my recommend for a code-plug. That information is provided in the links listed at the end of this article. Active Talkers. The sample code plug has a mix of local, regional, national and DX talk groups. ) BrandMeister Getting Started Guide This guide is intended to help PAPA members learn about and explore the BrandMeister network. regional talkgroups mirror the callsign assignment regions shown in this ARRL WAS map (PDF). v Forward I was first licensed as WB8GZR when I was a college freshman, and later as WB9GQM, WB8PUF, and currently as W2XAB. For Slot 2 TG9, TG2350, TG2351, TG2352, TG2353 National and regional and local chat. Parrot (Group Call). 31014. Simplex (Not to be used by Hotspots) 28. Jun 03, 2020 · 80320 – QuadNet Array (linked to D-STAR, Brandmeister DMR, Yaesu System Fusion & Wires X 80505 – Australia Wide 89990 – DMR+ Parrot. 31000. AMPR. BrandMeister-Parrot. 6625: Rx=439. 31096. FirePump. •BrandMeister is only front-end application that works in real-time •All business logic to distribute routing lists and user profiles implemented outside of BrandMeister like a set of back-end applications and scripts •BrandMeister supports multiple sources of routing information: Only the talkgroups listed above may be used, and only on the timeslots indicated. Full time in-state, PTT out-of-state, with Brandmeister, use generally restricted to 10 minutes, use Oregon Local 1 or 2: Parrot: 9998 : PTT: Polly is our echo test server now living in Spokane, a free-range bird: PNW 1 (Calling Only) 3187 : FT DMR Talkgroups A DMR talkgroup is simply a way of grouping many Radio IDs into a single digital contact. Changelog. com/software/jira/service-desk/powered-by?utm_medium=jira-in-product&utm_source=jira_service_desk_portal_footer Apr 12, 2016 · The BrandMeister servers have a gateway to APRS. I built my first analog FM repeater (GE Progress Line) in college and I have been active The DMR-MARC Worldwide Network Registration system now open, you will be transfered to RadioID. If a Parrot Talkgroup were to be created, this would have multiple negative effects, the most important ones being: the audio tests would create unnecessary traffic on the entire Brandmeister network, and only one person at a time could use the Talkgroup because in BM all Talkgroups are distributed worldwide. Reflectors. The BrandMeister U. I have not be en able to reset my password and when I try it says it is the wrong email. 91. This webpage displays all current information about the Brandmeister network. Purpose Parrot Application; Parrot : {; // Private IDs for Parrot service; numbers = [; 204991,   If a Parrot Talkgroup were to be created, this would have multiple negative effects , the most important ones being: the audio tests would create unnecessary traffic   The repeaters on the DMR-MARC Canada network support a number of talkgroups, or virtual TALKGROUP NAME: Echo Audio Test; DISPLAY NAME: Parrot  Parrot DMR+ USA (Dongle Access) DMR+ UK (Dongle Access) DMR+ Pacific ( Dongle Access) DMR to Allstar (RGRN repeaters), ID 9 3109 3123 3125 3133 Brandmeister WW. TEMPORARY (any  There are 1147 available TalkGroups on the BrandMeister network. This needs to be setup as a group call. NARA Brand Master Code Plug   DMR im Amateurfunk. TG 969, DMR-Caribbean, listen live TG 9990, Parrot, listen live. Like us on Facebook! Donate a or a . html. conf) will be  If you need to test, please use your personal DMR ID as a 7 digit group call (talk 9990 or 310997 - Parrot (Private Call); 31000 - Parrot (Group Call); 310999  23 Feb 2020 This demonstrates both using the DMR private call mode to use parrot BM TG9990 and the text-to-speech feature, when built with Flite support. 2005 Brandmeister: Network of worldwide Echo Test for D-STAR, Parrot for DMR. I did it myself as I Link Name Link Type ID Caption State Specific Values Interpretation; Knave: Application: 3-0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0: Parrot If you have Telegram, you can view and join BrandMeister General Support (English) right away. This is KC7QDO and I think my account has been hacked. net 74. Calling channel. ” In addition, the “Zone” has the “Parrot” talk group (310997) so that users can check the audio coming from their radios. With the New BrandMeister Repeater Sysop Portal, any repeater can have custom “non-standard” Talk Groups. UK APRS - 234999 not 5057 23. 0 Talkgroups are also specific to individual DMR networks, BUT they all generally follow the same numbering scheme. WEARS DMR Talkgroup List for Radio Programming as of 3-23-19. su registry; Fixed locking issue; Update font-awesome to 4. with by the BrandMeister Dev Team. Timeslot 1 Timeslot 2 Type. Not "group. Server Status. Registry. TG 20201. Der BrandMeister Parrot (Papagei) hilft Dir, bei den ersten Schritten dein Funkgerät richtig Integration von DMR, DStar, MMDVM, C4FM und DVMEGA. Im Brandmeister Netz mostly 70cm (UHF). This TG is STATIC, meaning it is active across all PVRA Brandmeister repeaters fulltime: The following can be used in either Time Slot: #9990 or #310997 Parrot : ALL others MUST use Time slot 1! TG9998 is NOT a valid TG for the Brandmeister system. Instead of constantly asking for radio checks on populated DMR talkgroups like you were still on CBTake advantage of the  OM / OK DMR BrandMeister Network Talkgroup List. Talkgroups. This is a network echo test that allows you transmit up to 90 seconds, and after a 5 second   The BM "parrot" (echo test) channel is private 9990. DE. BrandMeister Network. TGIF Setup TGIF is 4 and the talkgroup numbers are 6 digits. Repeaters. The below Emcom US listen live. The strange thing is my nephew came over recently  20 Apr 2019 DMR Tier II (used by amateurs) was published in. Name. conf) will be played back to the user. TGIF Network - Talkgroups . DMR-MARC Canada Talkgroups The repeaters on the DMR-MARC Canada network support a number of talkgroups, or virtual radio channels, for users within its coverage area to use. MMDVM Monitor for GB7DJ Parrot Test: Reflector Status: Rx=439. Parrot (9998) ~ PTT-Activated :  3 Feb 2019 Say hello to San Antonio Texas' first amateur DMR repeater that also happens On D-star, to use parrot mode, set your radio the the following. At that time we will poll members This version adds the Talkaround (Simplex) option for all channels, except Parrot. ID. Hoseline is a real time streaming application for the BrandMeister network. Have you been wondering about DMR or Trunking System Profile for Tennessee BrandMeister Network Trunking System, Various, Tennessee - Scanner Frequencies Re: Breaking from the current TG on BrandMeister Post by kc9gqr » Wed Aug 10, 2016 2:34 am Trying to connect to 4369 and I do get the parrot response but then when i go to talk it shows up in the dashboard for BM but then i get the parrot again. Name Parrot. Also unable to get parrot (TG 9990) to work. Brandmeister UK Repeaters Echo/Parrot on UK Master via Ref 9990 on TS-1 or TS-2. ALL others MUST use Time slot 1! TG9998 is NOT a valid TG for the Brandmeister system. 17 May 2020 There are 1544 available TalkGroups on the BrandMeister network. Brandmeister Setup. ○ DMR ID: Mobile Country Code (MCC) ITU E. It is functioning on analog just fine, but I am having trouble with the digital side. 114. Brandmeister. org/listen-now/index. The recorded voice (max 90 seconds by default) will be played back to the user. For example, Talkgroup 3129 on the MARC network might not be the same as Talkgroup 3129 on the Brandmeister network. Application for doing a echo test through a private call to ID 9990. Parrot Private Call TG 9990 – This talkgroup will record what you transmit, and then  Guide BlueDV for DMR BrandMeister by Passion Radio Shop A parrot mode " Parrot" is also available with the reflector code 9990, when connected to it,  Parrot (Plays back your audio). The K4USD Network is operated by the US Digital Amateur Repeater Club (K4USD) using multiple c‑Bridges ™ to interconnect Motorola Mototrbo ™ repeaters together and peering with other DMR bridge providers including DMR-MARC, DMRX, DMR+, Brandmeister, TGIF, QuadNET and 27 other regional DMR networks. The Hoseline streaming nodes are part of the BrandMeister full mesh and receive streams from the national masters directly. May 11, 2016 · GB7DJ DMR (Brandmeister) GB7DJ is a Motorola GM340 RX and GM380 TX MMDVM Repeater. right away. 3 Got it! This website uses cookies to ensure you get the best experience on our website . Basic code plug settings for GB7DJ. TG ID. Pi Star Dashboard: Link Name Link Type ID Caption State Specific Values Interpretation; Knave: Application: 3-0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0: Parrot Feb 27, 2017 · Anytone 868 add talkgroups and dial talkgroups not programmed in radio. - Duration: 9:44. Jun 11, 2017 · Brandmeister Extended Routing (XTG) is needed for talk groups not listed in the DV4Mini DV4MF2 application (eg: TAC-310, TAC-311, or TAC-312). Individual repeaters, hotspots, talkgroups and last heard can be viewed in real time. 191. All the current Brandmeister reflectors should work, you just need to activate them by making a private call. brandmeister parrot