Re: [Repeater-Builder] Remote Receiver
If all you are wanting to add is a second receiver, take a look at this simple 2ch voter: http://www.repeater-builder.com/projects/wb2whc.html While not as sophisticated as other voters, it doesn't carry their price tag either. Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Rd Boswell, PA 15531 - Original Message - From: n...@no6b.com To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 12:11 AM Subject: RE: [Repeater-Builder] Remote Receiver At 4/15/2009 10:45, you wrote: Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? As others have mentioned there are less complex expensive alternatives, but none are as user friendly as a good voter. I have 1 repeater in my system with 2 RXs: the main RX is at the remote site with the TX, the remote RX is plugged into the link hub at my home. Each uses a separate CTCSS tone, so the users have to pick which RX they want to access. Does the link TX have to identify (amateur service)? I believe it does have to. Officially, yes. In practice, many don't. Bob NO6B Yahoo! Groups Links
[Repeater-Builder] DB 408 Harness for sale
Hello Repeater Owners, I am cleaning out the storage bld. and have a small quantity of DB Products (Not Andrew) NOS DB 408 Antenna Harnesses for sale. These are the 450-470 Split and New in the Box. They terminate in to an N Male connector. The tag says Part # 12070, DB 408 B Harness HK 450-470 I a looking for best offers plus UPS shipping. Please email me direct k4tdo at dishmail dot net Tim
[Repeater-Builder] Re: Schematic for GM300/M120 Interface cable with delay
Email me direct Romy and I'll send you a copy. cheers, skipp skipp025 at yahoo.com Romy ve7...@... wrote: I am in the process of building a repeater using two M120 radios. I would like to build my own interface cable and looking for a schematic diagram. What I need to know is the value of the trim pot to adjust the level of the audio going to the Tx Radio and to adjust the squelch tail. This cable assembly can be purchased from Ebay, but I don't want to buy something that is very simple to build. Thanks, Romy
[Repeater-Builder] Re: Remote Receiver
I had this voter in service for years and worked quite well. I even expanded it by using a UHF radio in scan for muliple receivers at locations spaced about 20 miles away from each other. Mark KS4VT --- In Repeater-Builder@yahoogroups.com, Scott Zimmerman n3...@... wrote: If all you are wanting to add is a second receiver, take a look at this simple 2ch voter: http://www.repeater-builder.com/projects/wb2whc.html While not as sophisticated as other voters, it doesn't carry their price tag either. Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Rd Boswell, PA 15531 - Original Message - From: n...@... To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 12:11 AM Subject: RE: [Repeater-Builder] Remote Receiver At 4/15/2009 10:45, you wrote: Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? As others have mentioned there are less complex expensive alternatives, but none are as user friendly as a good voter. I have 1 repeater in my system with 2 RXs: the main RX is at the remote site with the TX, the remote RX is plugged into the link hub at my home. Each uses a separate CTCSS tone, so the users have to pick which RX they want to access. Does the link TX have to identify (amateur service)? I believe it does have to. Officially, yes. In practice, many don't. Bob NO6B Yahoo! Groups Links
[Repeater-Builder] Scanning Recievers (Was Remote Receiver)
While were talking about remote receivers- I have a question for the group. What do you use for remote receivers that scan? I have a system with multiple talkouts and there are a few potential sites for extra receivers that could cover both talkouts. I was thinking about a Maxtrac finding some way to lock it into scan? Anyone have a different Idea? Tom W9SRV
RE: [Repeater-Builder] Remote Receiver
At 11:55 AM 04/15/09, you wrote: (big chunk cut out) For the system I am building (my 440 machine), the county radio system is allowing me to use up to 3 voice channels on of their microwave backbone at no cost to me. So all I need to acquire/install/maintain are the receiver units at all the various sites, and the voter/comparator at the main site. All sites will use the same PL for repeater access, so I'll end up with wide-area coverage (or, in my case, HT access county-wide) with minimal expense, and it is LID-proof for the users. If you are using reed type decoders there is a trick to allow you to wire two reeds into it and get an ORd action. That would let you advertise, for example, 100Hz (the voted tone), yet have 146 for testing one site, 131 for another, etc. Mike WA6ILQ
RE: [Repeater-Builder] Repeater information please
True. I had forgotten that one. It was a PAIN to work on as it was positive ground internally. The same hardware was in the firetower repeater. Mike At 05:11 PM 04/15/09, you wrote: Minor technicality - Wasn't the mobile radio that was made from HT-200 boards the first solid state Motorola mobile transmitter? -- Original Message -- Received: Wed, 15 Apr 2009 01:13:47 AM PDT From: Mike Morris WA6ILQ wa6...@gmail.com To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Repeater information please As to MSNs The 43MSN high band mobile was the first all solid state Motorola mobile transmitter. It was the first radio labeled Motran and was a direct swapout of the Motrac - same cable, same head, same everything. The center chassis section that held the T-supply in the Motrac was all empty space. The 44MST came along later and was based on the same basic design (and came in 4 freq and 12 freq models). In the 4-freq models transmit F1-F4 was in the exciter, receive F1 and F2 were in the receiver chassis, the receive F3 and F4 channel elements were in a corner of the open center area. The 12 freq was developed for the mobile telephone industry and was labeled MARK XII. It was the first binary switched radio in the Moto lineup. It was all 12v - the open center section of the chassis held the additional 18 channel elements. The high power 74MST was a 4 freq UHF MOTRAN (and used a 28volt PA deck run by a 12-to-28 transistorized switching power supply in the center section) along with the receive F3 and F4 channel elements. To get back to the topic, his station has an M series receiver, and an S series exciter that puts out about 20-30w on UHF. It's loosely based on the 74MST design but less the finals, I forget if the MST driver (the final of his exciter) is a 12v stage or a 28v stage. Mike WA6ILQ At 10:24 PM 04/14/09, you wrote: If I am decoding the model numbers properly... The first station is most likely a 250W UHF MOTRAN base station, but has a tube in the final PA. The second station is a high-power continuous-duty 800 MHz (or possibly 900 MHz) MICOR. (Check the channel elements for the exact freq.) Someone will correct me if I am wrong. ;-) http://www.repeater-builder.com/motorola/motorola-suffixes.html Can't help you with manual numbers off-hand, but I'm sure someone else will chime in. Mark - N9WYS -Original Message- From: Repeater-Builder@yahoogroups.com On Behalf Of bene6148 Sent: Tuesday, April 14, 2009 10:55 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Repeater information please I have a Motorola Motrac model #B94MSB-1106A, and a Micor model #C75RCB6105AT. I would appreciate any information on these two models as well as manual numbers. Yahoo! Groups Links Yahoo! Groups Links
Re: [Repeater-Builder] Repeater information please
At 06:14 AM 04/15/09, you wrote: Mike Morris WA6ILQ wrote: The high power 74MST was a 4 freq UHF MOTRAN (and used a 28volt PA deck run by a 12-to-28 transistorized switching power supply in the center section) along with the receive F3 and F4 channel elements. I don't remember ever seeing those! I saw lots of U74MST's that were rated 90W, and had a ceramic tube final. I only saw one, and it had an SP model number and a ditto- printed manual. Also most had relays that switched tuning in the PA so that it would do talkaround. There were Motracs that solenoid based tuning systems. When you went to F2, for instance, the relay pulled in, and changed the tuning of the PA. Got to be a nightmare once they got to be 10-15 years old... Oh yeah I had one, and in the beginning it was neat, but it got to be a major PITA. I ended up dumping the wide spaced radio and going back to two individual full duplex UHF MHT Motracs. The MHTs had a totally passive front end all the way to the first mixer and were easy to duplex - cut two wires, add a jumper and you are done. If the repeater had enough ERP you could duplex across the antenna relay, if not, you had to unplug the coax jumper that plugged into the receiver casting and plug in a separate receiver antenna... At one point my Ford Falcon station wagon had a low band 4F LHT on 6m, a high band MHT (6F or 8F, I forget) , and two UHF MHTs, plus a couple of other radios in it. The UHF MHTs and the police scanner shared a single 18 receive antenna. And the straight 6 and front drum brakes got replaced with a 302 V8 and disks off a wrecked and rolled Mustang... but that was another project... Mike WA6ILQ
RE: [Repeater-Builder] Remote Receiver
At 10:45 AM 04/15/09, you wrote: Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? Don't even need that. My first triple receiver repeater used a relay race voter (the first squelch to open locked out the others). After we taught ourselves that a race voter wasn't practical we used a poor-mans voter - we used 100hz for the receiver that was at the transmitter site, 127 for the west receiver and 131 for the east receiver. Later on we got a real voter. I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. If you have a line of sight situation you don't need much power. A 5w MVP feeding a beam will talk across town just fine... How long is the link? You might get away with the 1/4 watt Mastr II exciter and beams on both ends. And if you know someone with a welder you can make the beams. See http://www.repeater-builder.com/antenna/420-welded-yagi.pdf I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Waste of a good controller. Use a NHRC4 kit. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. 35 years ago Cactus handled that problem. They do the ID at 1064hz (so it won't affect any downstream DTMF decoders) and notch it out at the receive end using an audio notch filter. Every link on this map (except the dotted line ones) is done that way: http://www.cactus-intertie.org/CIS_Map.htm Thanks again. More suggestions are welcome. John Transue AF4PD Mike WA6ILQ
RE: [Repeater-Builder] Remote Receiver
And once you do get a voter you can leave the unique PLs in place as a diagnostic system. It's mentioned here: http://www.repeater-builder.com/tech-info/votingcomparators.html Mike WA6ILQ At 10:50 AM 04/15/09, you wrote: Many systems will use a different PL for different receive sites to get around the need for a voter. It requires more education for the users to know where they are which receiver they get into better, but its a simple setup that works. Tom W9SRV --- On Wed, 4/15/09, John Transue jtran...@cox.net wrote: From: John Transue jtran...@cox.net Subject: RE: [Repeater-Builder] Remote Receiver To: Repeater-Builder@yahoogroups.com Date: Wednesday, April 15, 2009, 12:45 PM Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. Thanks again. More suggestions are welcome. John Transue AF4PD __ NOD32 4010 (20090415) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com Yahoo! Groups Links Yahoo! Groups Links
Re: [Repeater-Builder] Remote Receiver
We have an R1225 in this configuration as a remote receiver - set to zero hang time and Strip PL on CWID to prevent it from retransmitting across the repeater... Works well. On Thu, Apr 16, 2009 at 4:40 AM, Mike Morris WA6ILQ wa6...@gmail.comwrote: And once you do get a voter you can leave the unique PLs in place as a diagnostic system. It's mentioned here: http://www.repeater-builder.com/tech-info/votingcomparators.html Mike WA6ILQ At 10:50 AM 04/15/09, you wrote: Many systems will use a different PL for different receive sites to get around the need for a voter. It requires more education for the users to know where they are which receiver they get into better, but its a simple setup that works. Tom W9SRV --- On Wed, 4/15/09, John Transue jtran...@cox.net jtransue%40cox.net wrote: From: John Transue jtran...@cox.net jtransue%40cox.net Subject: RE: [Repeater-Builder] Remote Receiver To: Repeater-Builder@yahoogroups.comRepeater-Builder%40yahoogroups.com Date: Wednesday, April 15, 2009, 12:45 PM Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. Thanks again. More suggestions are welcome. John Transue AF4PD __ NOD32 4010 (20090415) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com Yahoo! Groups Links Yahoo! Groups Links
Re: [Repeater-Builder] Remote Receiver
Yep -- I also love the CWID interrupt feature so it's never heard over the link. Do you decode a PL/DPL on the R1225 and re-encode, or run tones through with it set to flat audio? On Apr 16, 2009, at 1:42 PM, AJ wrote: We have an R1225 in this configuration as a remote receiver - set to zero hang time and Strip PL on CWID to prevent it from retransmitting across the repeater... Works well. On Thu, Apr 16, 2009 at 4:40 AM, Mike Morris WA6ILQ wa6...@gmail.comwrote: And once you do get a voter you can leave the unique PLs in place as a diagnostic system. It's mentioned here: http://www.repeater-builder.com/tech-info/votingcomparators.html Mike WA6ILQ At 10:50 AM 04/15/09, you wrote: Many systems will use a different PL for different receive sites to get around the need for a voter. It requires more education for the users to know where they are which receiver they get into better, but its a simple setup that works. Tom W9SRV --- On Wed, 4/15/09, John Transue jtran...@cox.net wrote: From: John Transue jtran...@cox.net Subject: RE: [Repeater-Builder] Remote Receiver To: Repeater-Builder@yahoogroups.com Date: Wednesday, April 15, 2009, 12:45 PM Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. Thanks again. More suggestions are welcome. John Transue AF4PD __ NOD32 4010 (20090415) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com Yahoo! Groups Links Yahoo! Groups Links -- Cort Buffington H: +1-785-838-3034 M: +1-785-865-7206 Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ * Your email settings: Individual Email | Traditional * To change settings online go to: http://groups.yahoo.com/group/Repeater-Builder/join (Yahoo! ID required) * To change settings via email: mailto:repeater-builder-dig...@yahoogroups.com mailto:repeater-builder-fullfeatu...@yahoogroups.com * To unsubscribe from this group, send an email to: repeater-builder-unsubscr...@yahoogroups.com * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Remote Receiver
In it's current configuration our R1225 strips the PL on the receiver and re-encodes on the transmitter side with a different tone on the link. On Thu, Apr 16, 2009 at 12:56 PM, Cort Buffington c...@lawrence-ks.orgwrote: Yep -- I also love the CWID interrupt feature so it's never heard over the link. Do you decode a PL/DPL on the R1225 and re-encode, or run tones through with it set to flat audio? On Apr 16, 2009, at 1:42 PM, AJ wrote: We have an R1225 in this configuration as a remote receiver - set to zero hang time and Strip PL on CWID to prevent it from retransmitting across the repeater... Works well. On Thu, Apr 16, 2009 at 4:40 AM, Mike Morris WA6ILQ wa6...@gmail.comwrote: And once you do get a voter you can leave the unique PLs in place as a diagnostic system. It's mentioned here: http://www.repeater-builder.com/tech-info/votingcomparators.html Mike WA6ILQ At 10:50 AM 04/15/09, you wrote: Many systems will use a different PL for different receive sites to get around the need for a voter. It requires more education for the users to know where they are which receiver they get into better, but its a simple setup that works. Tom W9SRV --- On Wed, 4/15/09, John Transue jtran...@cox.net wrote: From: John Transue jtran...@cox.net Subject: RE: [Repeater-Builder] Remote Receiver To: Repeater-Builder@yahoogroups.com Date: Wednesday, April 15, 2009, 12:45 PM Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. Thanks again. More suggestions are welcome. John Transue AF4PD __ NOD32 4010 (20090415) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com Yahoo! Groups Links Yahoo! Groups Links -- Cort Buffington H: +1-785-838-3034 M: +1-785-865-7206 Yahoo! Groups Links
Re: [Repeater-Builder] Remote Receiver
I've been switching back and forth between flat audio on the remote R1225 and decoding the original PL on the link receiver, and the de- code, re-encode method. I think I like the flat audio on the remote better, but that makes it CSQ, so I keep the squelch a bit tighter AND it's not a a colo-site, so the RF noise around it is residential. Thanks for sharing your configuration. On Apr 16, 2009, at 2:08 PM, AJ wrote: In it's current configuration our R1225 strips the PL on the receiver and re-encodes on the transmitter side with a different tone on the link. On Thu, Apr 16, 2009 at 12:56 PM, Cort Buffington c...@lawrence-ks.org wrote: Yep -- I also love the CWID interrupt feature so it's never heard over the link. Do you decode a PL/DPL on the R1225 and re-encode, or run tones through with it set to flat audio? On Apr 16, 2009, at 1:42 PM, AJ wrote: We have an R1225 in this configuration as a remote receiver - set to zero hang time and Strip PL on CWID to prevent it from retransmitting across the repeater... Works well. On Thu, Apr 16, 2009 at 4:40 AM, Mike Morris WA6ILQ wa6...@gmail.comwrote: And once you do get a voter you can leave the unique PLs in place as a diagnostic system. It's mentioned here: http://www.repeater-builder.com/tech-info/votingcomparators.html Mike WA6ILQ At 10:50 AM 04/15/09, you wrote: Many systems will use a different PL for different receive sites to get around the need for a voter. It requires more education for the users to know where they are which receiver they get into better, but its a simple setup that works. Tom W9SRV --- On Wed, 4/15/09, John Transue jtran...@cox.net wrote: From: John Transue jtran...@cox.net Subject: RE: [Repeater-Builder] Remote Receiver To: Repeater-Builder@yahoogroups.com Date: Wednesday, April 15, 2009, 12:45 PM Lance, Mark, Cort, Butch, Bob, Chris, and others, Thanks for the good advice and quick response. I will follow up on the suggestions, and get an idea of the cost. It hadn't occurred to me that I would need a voter. With only this one remote receiver, I thought I could just rely on the controller (ACC RC-850) to accept the audio in accordance with the -850 priorities. Is this not suitable? I have a UHF Mastr II. I guess one approach would be to swap out the receiver for a VHF receiver and use the UHF as the link. One of you has done this with good result. I also have an ACC RC-85 controller. I could use this with a VHF RX, a UHF TX, and have a UHF RX at the base. Does the link TX have to identify (amateur service)? I believe it does have to. Is there a way to avoid having extra IDs when the link is active? Well, I guess once every ten minutes isn't much of a problem. Thanks again. More suggestions are welcome. John Transue AF4PD __ NOD32 4010 (20090415) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com Yahoo! Groups Links Yahoo! Groups Links -- Cort Buffington H: +1-785-838-3034 M: +1-785-865-7206 Yahoo! Groups Links -- Cort Buffington H: +1-785-838-3034 M: +1-785-865-7206 Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ * Your email settings: Individual Email | Traditional * To change settings online go to: http://groups.yahoo.com/group/Repeater-Builder/join (Yahoo! ID required) * To change settings via email: mailto:repeater-builder-dig...@yahoogroups.com mailto:repeater-builder-fullfeatu...@yahoogroups.com * To unsubscribe from this group, send an email to: repeater-builder-unsubscr...@yahoogroups.com * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
[Repeater-Builder] Question on German repeaters
In the UK, Belgium and the Netherlands, CTCSS tones are assigned per geographical area. For example, in the South of the Netherlands, (where my machines are located), CTCSS tone is standardized to 71.9 Hz. My question: What mechanism do repeaters in Germany use? Is there a geographical assignment scheme as well? Thanks, Geert Jan
Re: [Repeater-Builder] Question on German repeaters
I would think so as here in Canada we have the some thing in my area its 162.2 Rick On Thu, Apr 16, 2009 at 3:38 PM, Geert Jan de Groot pe1...@xs4all.nlwrote: In the UK, Belgium and the Netherlands, CTCSS tones are assigned per geographical area. For example, in the South of the Netherlands, (where my machines are located), CTCSS tone is standardized to 71.9 Hz. My question: What mechanism do repeaters in Germany use? Is there a geographical assignment scheme as well? Thanks, Geert Jan
Re: [Repeater-Builder] Repeater information please
Yeah-the SECOND iteration of the Industrial Disaster, er, Dispatcher. The Ford plants here had a bunch of them on tow motors. ugh. The FIRST ones were germanium PNP's in the rx, and mostly quick-heat filament tubes in the tx. For VHF, either .8W or 5W with 2E24 final. 'Key the mic, count to 3, then talk.' Mike Morris WA6ILQ wrote: True. I had forgotten that one. It was a PAIN to work on as it was positive ground internally. The same hardware was in the firetower repeater. Mike At 05:11 PM 04/15/09, you wrote: Minor technicality - Wasn't the mobile radio that was made from HT-200 boards the first solid state Motorola mobile transmitter?
[Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks!
[Repeater-Builder] Remote receiver suicide control
I am also working toward a multiple receiver voted system and have a question. I was reading http://www.repeater-builder.com/tech-info/votingcomparators.html and wondering about how to implement a site suicide command where power is disconnected from the entire remote package requiring a trip to the site to bring it back to life. I definitely want some way to kill an entire package at a remote site. Assume a remote receiver at a location that is extremely difficult to access in winter, and solar power so current drain needs to be kept as low as possible. Any suggestions on how to implement a suicide command for such a remote package? I can think of a couple ways to do it but usually someone here has better ideas than mine! 73, Paul N1BUG
RE: [Repeater-Builder] Remote receiver suicide control
RAMSEY KITS has a unit that is supposed to work from commands via your telephone touch pad. It's about $39. You call the unit up, touch the phone keys, and the dtmf commands can turn on and off devices plugged into it. I wonder could this be converted to work on the input of a recvr, accessed by PL tone, etc to turn ON and OFF a power supply, controller, etc? If you find out.LET ME KNOW. '73, Mike From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Paul Kelley N1BUG Sent: Thursday, April 16, 2009 5:27 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Remote receiver suicide control I am also working toward a multiple receiver voted system and have a question. I was reading http://www.repeater-builder.com/tech-info/votingcomparators.html and wondering about how to implement a site suicide command where power is disconnected from the entire remote package requiring a trip to the site to bring it back to life. I definitely want some way to kill an entire package at a remote site. Assume a remote receiver at a location that is extremely difficult to access in winter, and solar power so current drain needs to be kept as low as possible. Any suggestions on how to implement a suicide command for such a remote package? I can think of a couple ways to do it but usually someone here has better ideas than mine! 73, Paul N1BUG __ NOD32 4013 (20090416) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em!
Re: [Repeater-Builder] Remote receiver suicide control
RAMSEY KITS has a unit that is supposed to work from commands via your telephone touch pad. It’s about $39. You call the unit up, touch the phone keys, and the dtmf commands can turn on and off devices plugged into it. I wonder could this be converted to work on the input of a recvr, accessed by PL tone, etc to turn ON and OFF a power supply, controller, etc? If you find out…LET ME KNOW. ’73, Mike I'm not familiar with that specific kit, but I suspect it could be interfaced to receiver audio output instead of a phone line. It could probably be used for what you want. There are other DTMF decoder units around also. For my application I'm wondering about how to interface the DTMF decoder output to permanently kill power to a site. I'm thinking I want to have it do something like deliberately blow a fuse... but maybe there are better ways to handle it. Paul N1BUG Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ * Your email settings: Individual Email | Traditional * To change settings online go to: http://groups.yahoo.com/group/Repeater-Builder/join (Yahoo! ID required) * To change settings via email: mailto:repeater-builder-dig...@yahoogroups.com mailto:repeater-builder-fullfeatu...@yahoogroups.com * To unsubscribe from this group, send an email to: repeater-builder-unsubscr...@yahoogroups.com * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Look at the TKR-751 and TKR-851 US available Have a 751 on 146.xxx factory order John - Original Message - From: Ken Arck To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 5:39 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em!
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? Adam N2ACF Ken Arck wrote: At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em! Yahoo! Groups Links
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
I am told they will someplace I have the info to do the software the repeater will do it. great repeater as I have 10 in service at this time. John - Original Message - From: Adam Feuer To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 5:55 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? Adam N2ACF Ken Arck wrote: At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em! Yahoo! Groups Links
Re: [Repeater-Builder] Remote receiver suicide control
At 02:27 PM 04/16/09, you wrote: I am also working toward a multiple receiver voted system and have a question. I was reading http://www.repeater-builder.com/tech-info/votingcomparators.html and wondering about how to implement a site suicide command where power is disconnected from the entire remote package requiring a trip to the site to bring it back to life. I definitely want some way to kill an entire package at a remote site. The suicide command that I used was a relay that locked itself on through it's own contacts. The normally closed contacts supplied AC power the equipment power strip in the cabinet. When you functioned the suicide command, the relay pulled in, locked itself shut, and the rack was dead. A neon light was wired across the relay coil and was visible from the front panel to tell us why the rack was dead. Assume a remote receiver at a location that is extremely difficult to access in winter, and solar power so current drain needs to be kept as low as possible. Any suggestions on how to implement a suicide command for such a remote package? I can think of a couple ways to do it but usually someone here has better ideas than mine! A two coil 12v mag latch relay? One pushbutton for on, a second for off, and the suicide command is in parallel with the off button? Or maybe have the DTMF decoder operate a husky-contact relay that drops a short across the DC power source and that pops the master DC circuit breaker (a 12v breaker). You could use a fuse, but 12v breakers are available (one source is the mechanic at the local community airstrip hangars - they frequently have an old fuselage or two out back, and if you ask real nice you can scavenge a breaker or two). 73, Paul N1BUG Mike WA6ILQ
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
At 02:55 PM 4/16/2009, Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? ---So will the 850 - the standard KPG-91D software will program it and it tunes down to the ham band very easily. I have personally had them tuned down to 436 with no spec' degredation You seem to be getting some incorrect info. Besides, the 840 is a low output radio (5 watts) meant to drive an external amplifier. Not to mention, the 840 is GROSSLY more expensive than the 850. As for the 851, there is absolutely no difference between it and the 850, save for one thing - the 850 is capable of only 25 watts maximum whereas the 850 is capable of 40. Although admittedly the 850 is spec'd at 25 watts only for continuous duty. I can only warn you that there seems to be a LOT of misinformation disseminated about the TKR repeaters for some reason. For example, you do NOT need to spend $100+ on a programming cable. A standard, run-of-the-mill serial cable is all that is needed (along with the KPG-91D software) to program a TKR. Hope this helps * Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em!
[Repeater-Builder] Re: Remote receiver suicide control
--- In Repeater-Builder@yahoogroups.com, Paul Kelley N1BUG paul.kelley.n1...@... wrote: and wondering about how to implement a site suicide command where power is disconnected from the entire remote package requiring a trip to the site to bring it back to life. I definitely want some way to kill an entire package at a remote site. Paul, What you want is a circuit breaker with a shunt trip coil. Apply voltage to the coil and the breaker moves to the tripped / off position. They are available in 12, 24, 48VDC, and 120 VAC. There is no static power loss from this (unlike a relay that is electrically held in the on position) If the site has a phone patch, you can use the phone line to accept a DTMF string to operate the power off command. Otherwise, you are stuck with in-band management (DTMF and PL)
Re: [Repeater-Builder] Remote receiver suicide control
Paul, A mechanical latching relay uses no power except when changing state, and could be used to drop the power to the whole package. Using some sort of crowbar to intentionally blow a fuse introduces new and unpleasant failure modes. 73, Paul, AE4KR - Original Message - From: Paul Kelley N1BUG To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 3:27 PM Subject: [Repeater-Builder] Remote receiver suicide control ...Any suggestions on how to implement a suicide command for such a remote package? I can think of a couple ways to do it but usually someone here has better ideas than mine! .
[Repeater-Builder] MaxTrac problem
Today, I encountered a problem with a MaxTrac that I can only describe as strange... I was assisting Jim WA9FPT with getting his MaxTrac converted to operate in the ham portion of the band. He has a DeskTrac similar to the one I own, which was originally a trunked station. He had put conventional Firmware into the radio before bringing it to me for the VCO modification. However, the radio had NOT been blanked yet. When I tried to power up the radio, the front display remained blank/dark. It did not go through the power-up tests, and did not BEEP. I removed the conventional firmware and put the trunked firmware back in. Still no power-up test BEEP and no front panel display. So I took the radio out and put it together as a dash mount radio. Still dead. Next I took a known-good 900 MaxTrac that I had on the bench and powered it up. Worked fine. Took the trunked firmware out and put Jim's conventional firmware in. When I powered the radio back up, it exhibited the same problem Jim's radio did - dead. Returning the trunked firmware to my radio did not resurrect it, either. So what is it about a firmware EPROM that might kill a radio? Could a bad chip cause something else to fail in the rig... maybe an internal fuse somewhere that may have blown or, heaven forbid, blow up the CPU? Does anyone know if there is there any way to breathe new life into a radio in this condition? We now have two that are doorstops that I'd like to fix, if at all possible... Many thanks, Mark - N9WYS
[Repeater-Builder] MaxTrac problem
Today, I encountered a problem with a MaxTrac that I can only describe as strange... I was assisting Jim WA9FPT with getting his MaxTrac converted to operate in the ham portion of the band. He has a DeskTrac similar to the one I own, which was originally a trunked station. He had put conventional Firmware into the radio before bringing it to me for the VCO modification. However, the radio had NOT been blanked yet. When I tried to power up the radio, the front display remained blank/dark. It did not go through the power-up tests, and did not BEEP. I removed the conventional firmware and put the trunked firmware back in. Still no power-up test BEEP and no front panel display. So I took the radio out and put it together as a dash mount radio. Still dead. Next I took a known-good 900 MaxTrac that I had on the bench and powered it up. Worked fine. Took the trunked firmware out and put Jim's conventional firmware in. When I powered the radio back up, it exhibited the same problem Jim's radio did - dead. Returning the trunked firmware to my radio did not resurrect it, either. So what is it about a firmware EPROM that might kill a radio? Could a bad chip cause something else to fail in the rig... maybe an internal fuse somewhere that may have blown or, heaven forbid, blow up the CPU? Does anyone know if there is there any way to breathe new life into a radio in this condition? We now have two that are doorstops that I'd like to fix, if at all possible... Many thanks, Mark - N9WYS
RE: [Repeater-Builder] Remote receiver suicide control
I don't know WHAT the hell this guy was thinking.? ( ME ) I must have been thinking of something else entirely.my bad. - Mike From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Michael Ryan Sent: Thursday, April 16, 2009 5:32 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Remote receiver suicide control RAMSEY KITS has a unit that is supposed to work from commands via your telephone touch pad. It's about $39. You call the unit up, touch the phone keys, and the dtmf commands can turn on and off devices plugged into it. I wonder could this be converted to work on the input of a recvr, accessed by PL tone, etc to turn ON and OFF a power supply, controller, etc? If you find out.LET ME KNOW. '73, Mike From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Paul Kelley N1BUG Sent: Thursday, April 16, 2009 5:27 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Remote receiver suicide control I am also working toward a multiple receiver voted system and have a question. I was reading http://www.repeater-builder.com/tech-info/votingcomparators.html and wondering about how to implement a site suicide command where power is disconnected from the entire remote package requiring a trip to the site to bring it back to life. I definitely want some way to kill an entire package at a remote site. Assume a remote receiver at a location that is extremely difficult to access in winter, and solar power so current drain needs to be kept as low as possible. Any suggestions on how to implement a suicide command for such a remote package? I can think of a couple ways to do it but usually someone here has better ideas than mine! 73, Paul N1BUG __ NOD32 4013 (20090416) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com __ NOD32 4013 (20090416) Information __ This message was checked by NOD32 antivirus system. http://www.eset.com
[Repeater-Builder] Re: Remote receiver suicide control
--- In Repeater-Builder@yahoogroups.com, Paul Kelley N1BUG paul.kelley.n1...@... wrote: For my application I'm wondering about how to interface the DTMF decoder output to permanently kill power to a site. I'm thinking I want to have it do something like deliberately blow a fuse... but maybe there are better ways to handle it. Paul, Take a look at http://www.broadcastboxes.com/products/DS8lit1.html Each relay can be programmed to respond to 1-4 DTMF digits. I use one to decode the DTMF squelch for the paramedics. A 50A 2 pole relay with a 12V shunt trip coil is available under Airpax/Sensata part number APL11-3-51-503. Martin
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Also the 840 does not do tone and may only be the TX and RX never got one have always stay away. and yes max 5 watts also - Original Message - From: Ken Arck To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 6:13 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 02:55 PM 4/16/2009, Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? ---So will the 850 - the standard KPG-91D software will program it and it tunes down to the ham band very easily. I have personally had them tuned down to 436 with no spec' degredation You seem to be getting some incorrect info. Besides, the 840 is a low output radio (5 watts) meant to drive an external amplifier. Not to mention, the 840 is GROSSLY more expensive than the 850. As for the 851, there is absolutely no difference between it and the 850, save for one thing - the 850 is capable of only 25 watts maximum whereas the 850 is capable of 40. Although admittedly the 850 is spec'd at 25 watts only for continuous duty. I can only warn you that there seems to be a LOT of misinformation disseminated about the TKR repeaters for some reason. For example, you do NOT need to spend $100+ on a programming cable. A standard, run-of-the-mill serial cable is all that is needed (along with the KPG-91D software) to program a TKR. Hope this helps a.. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em!
RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
John, The 751 and 851 are only 25watt repeaters. The 750 and 850 work just fine as Ken said. Mike Colorado Telecom, L.L.C Mike Mullarkey 6886 Sage Ave Firestone, Co 80504 303-954-9695 Home 303-954-9693 Home Office Fax 303-718-8052 Cellular _ From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Maire-Radios Sent: Thursday, April 16, 2009 3:53 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Look at the TKR-751 and TKR-851 US available Have a 751 on 146.xxx factory order John - Original Message - From: Ken Arck mailto:ah...@ah6le.net To: Repeater-Builder@ mailto:Repeater-Builder@yahoogroups.com yahoogroups.com Sent: Thursday, April 16, 2009 5:39 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcon http://www.arcomcontrollers.com/ trollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp. http://www.irlp.net net We don't just make 'em. We use 'em!
RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Adam, I have one in ham but you need to hex edit the software. Not much fun. Mike Colorado Telecom, L.L.C Mike Mullarkey 6886 Sage Ave Firestone, Co 80504 303-954-9695 Home 303-954-9693 Home Office Fax 303-718-8052 Cellular _ From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Adam Feuer Sent: Thursday, April 16, 2009 3:55 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? Adam N2ACF Ken Arck wrote: At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcon http://www.arcomcontrollers.com/ trollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp. http://www.irlp.net net We don't just make 'em. We use 'em! Yahoo! Groups Links
[Repeater-Builder] MASTR II PTT
I am trying to key my MASTR II from my PC. Is there any reason I can't use a 5v 1a relay connected to the serial port and the PTT line on the MASTR II to do this? Thanks, Vern KI4ONW
[Repeater-Builder] Re: Remote receiver suicide control
Paul, I have a question on this suicide control. Are you killing everything thus no ability to revive the site without visiting it? Not withstanding I would use a simple small repeater controler. Chose your poison there, but in any case, there are some that give you a small amount of logic outputs to drive whatever kill switch you decide on. Added plus you have control of remote on/off, ID PL on/off etc. Just a thought. Randy --- In Repeater-Builder@yahoogroups.com, rahwayflynn mafl...@... wrote: --- In Repeater-Builder@yahoogroups.com, Paul Kelley N1BUG paul.kelley.n1bug@ wrote: For my application I'm wondering about how to interface the DTMF decoder output to permanently kill power to a site. I'm thinking I want to have it do something like deliberately blow a fuse... but maybe there are better ways to handle it. Paul, Take a look at http://www.broadcastboxes.com/products/DS8lit1.html Each relay can be programmed to respond to 1-4 DTMF digits. I use one to decode the DTMF squelch for the paramedics. A 50A 2 pole relay with a 12V shunt trip coil is available under Airpax/Sensata part number APL11-3-51-503. Martin
[Repeater-Builder] Re: MASTR II PTT
Vern, If your relay coil doesn't draw very much current it probably would work. I would say using a opto isolator or minumum a transistor switch would be a more practical method. I use a simple 2n transitor to fire a MII for echolink. Randy --- In Repeater-Builder@yahoogroups.com, Vernon Densler m...@... wrote: I am trying to key my MASTR II from my PC. Is there any reason I can't use a 5v 1a relay connected to the serial port and the PTT line on the MASTR II to do this? Thanks, Vern KI4ONW
[Repeater-Builder] Motorola Service Monitor Extender cards
I have a limited number of Extender Cards for Motorola Service Monitors. These are the 72-pin cards (36x2) for the receiver and synthesizer modules (and maybe other modules in some units). I have constructed these myself, and they have gold-plated contacts on the socket, tinned contacts on the plug-in end. Price is $55.00 each, plus $5.00 for Priority Mail shipping. I accept payment via PayPal - my e-mail address is my PayPal identifier. Finally my Service Monitor works exactly right! John K.
Re: [Repeater-Builder] MASTR II PTT
Vern, There isn't any reason that you can't do what you have indicated. But there are a few things that you should consider. Your serial port provides -12v to +12v, so you are likely to burn out your 5v relay, which means you should use a 12v relay. Having said that, if you had a 12v relay, I don't think there is enough current in the serial port to efficiently engage the relay (and keep it engaged) without damaging the serial port. You could build up a cct that will drive the relay but you will have to deal with the -12v. If it were me, I would use the parallel printer port if your PC has one. There are relay interface cards out there that will attach to your parallel port. Attach the PTT line to the relay. I have done this with my irrigation system here at home. Now, regardless of whether you use a serial or parallel interface, you will need some software to control it. I would say it is probably easier to write/get software to control the parallel port. Having said that, when the PC boots, your serial and parallel lines will change state as it boots and this could cause your MASTR II to go into transmit. Eric, VA3EAM Vernon Densler wrote: I am trying to key my MASTR II from my PC. Is there any reason I can't use a 5v 1a relay connected to the serial port and the PTT line on the MASTR II to do this? Thanks, Vern KI4ONW
Re: [Repeater-Builder] Re: Remote receiver suicide control
Randy, I will be using a small repeater controller. What I want is some way to kill power to everything in the box... receiver, link transmitter, controller, the whole works. This would be a last resort in the event something fails in such a way that it is critical to shut it down, at a time when I can't physically get to the site. Some sites here are not easily reached in winter. Since I really want to be able to kill power to everything, including the controller, it will pretty much end up requiring a later trip to revive the site. Hopefully I will never need to use the last resort kill command, but I consider it a must have feature. My main concern is that the kill switch be as reliable as possible. Of course nothing is 100% reliable! If a receiver or DTMF decoder dies, I will lose the ability to kill the site anyway. Paul wb8art wrote: Paul, I have a question on this suicide control. Are you killing everything thus no ability to revive the site without visiting it? Not withstanding I would use a simple small repeater controler. Chose your poison there, but in any case, there are some that give you a small amount of logic outputs to drive whatever kill switch you decide on. Added plus you have control of remote on/off, ID PL on/off etc. Just a thought. Randy
RE: [Repeater-Builder] Motorola Service Monitor Extender cards
Can someone Please put what this is in Layman Terms I have the Micor Unified Chassis and I have a 2000C Ser Monitor What is this Card for , Sorry I just would like to know Thanks Don KA9QJG
Re: [Repeater-Builder] Remote receiver suicide control
Mike, Paul, Mike, Martin, and others... Thanks for the ideas. I will try out a couple of them and then make a decision on exactly what method to go with. I had not thought of using a latching relay. The idea of a husky relay or maybe a beefy SCR to short the supply on the inboard side of a fuse or circuit breaker did occur to my feeble mind, but I wanted see what others could come up with for ideas. Paul N1BUG
RE: [Repeater-Builder] Re: MASTR II PTT
I tried my normal echolink circuit but it won't kick the PTT on the MII. From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of wb8art Sent: Thursday, April 16, 2009 7:59 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Re: MASTR II PTT Vern, If your relay coil doesn't draw very much current it probably would work. I would say using a opto isolator or minumum a transistor switch would be a more practical method. I use a simple 2n transitor to fire a MII for echolink. Randy --- In Repeater-Builder@yahoogroups.com mailto:Repeater-Builder%40yahoogroups.com , Vernon Densler m...@... wrote: I am trying to key my MASTR II from my PC. Is there any reason I can't use a 5v 1a relay connected to the serial port and the PTT line on the MASTR II to do this? Thanks, Vern KI4ONW
[Repeater-Builder] Re: Remote receiver suicide control
Paul, So your thinking of a seperate RX with a control to kill the link. That with a decoder logic could drive the breaker to trip mentioned earlier. Randy --- In Repeater-Builder@yahoogroups.com, Paul Kelley N1BUG paul.kelley.n1...@... wrote: Randy, I will be using a small repeater controller. What I want is some way to kill power to everything in the box... receiver, link transmitter, controller, the whole works. This would be a last resort in the event something fails in such a way that it is critical to shut it down, at a time when I can't physically get to the site. Some sites here are not easily reached in winter. Since I really want to be able to kill power to everything, including the controller, it will pretty much end up requiring a later trip to revive the site. Hopefully I will never need to use the last resort kill command, but I consider it a must have feature. My main concern is that the kill switch be as reliable as possible. Of course nothing is 100% reliable! If a receiver or DTMF decoder dies, I will lose the ability to kill the site anyway. Paul wb8art wrote: Paul, I have a question on this suicide control. Are you killing everything thus no ability to revive the site without visiting it? Not withstanding I would use a simple small repeater controler. Chose your poison there, but in any case, there are some that give you a small amount of logic outputs to drive whatever kill switch you decide on. Added plus you have control of remote on/off, ID PL on/off etc. Just a thought. Randy
RE: [Repeater-Builder] Re: MASTR II PTT
OK more information. When I connect the PTT line to my echolink circuit which has a transistor on it, I can hear the relay click a little bit but that is when echolink isn't keyed. When I key echolink I don't hear any change in the relay and it doesn't kick the transmit. The echolink circuit shows as open when not keyed and shorted to ground when keyed according to my meter and has worked on every other radio I have tried it on. Any suggestions? Thanks, Vern From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Vernon Densler Sent: Thursday, April 16, 2009 8:45 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Re: MASTR II PTT I tried my normal echolink circuit but it won't kick the PTT on the MII. From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of wb8art Sent: Thursday, April 16, 2009 7:59 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Re: MASTR II PTT Vern, If your relay coil doesn't draw very much current it probably would work. I would say using a opto isolator or minumum a transistor switch would be a more practical method. I use a simple 2n transitor to fire a MII for echolink. Randy --- In Repeater-Builder@yahoogroups.com mailto:Repeater-Builder%40yahoogroups.com , Vernon Densler m...@... wrote: I am trying to key my MASTR II from my PC. Is there any reason I can't use a 5v 1a relay connected to the serial port and the PTT line on the MASTR II to do this? Thanks, Vern KI4ONW
RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
You may have a different radio in mind, because the Kenwood TKR-740 and -840 repeaters definitely do have built-in tone, and are full duplex. Very high quality units. 73, Eric Lemmon WB6FLY -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Maire-Radios Sent: Thursday, April 16, 2009 4:16 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Also the 840 does not do tone and may only be the TX and RX never got one have always stay away. and yes max 5 watts also - Original Message - From: Ken Arck mailto:ah...@ah6le.net To: Repeater-Builder@yahoogroups.com mailto:Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 6:13 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 02:55 PM 4/16/2009, Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? ---So will the 850 - the standard KPG-91D software will program it and it tunes down to the ham band very easily. I have personally had them tuned down to 436 with no spec' degredation You seem to be getting some incorrect info. Besides, the 840 is a low output radio (5 watts) meant to drive an external amplifier. Not to mention, the 840 is GROSSLY more expensive than the 850. As for the 851, there is absolutely no difference between it and the 850, save for one thing - the 850 is capable of only 25 watts maximum whereas the 850 is capable of 40. Although admittedly the 850 is spec'd at 25 watts only for continuous duty. I can only warn you that there seems to be a LOT of misinformation disseminated about the TKR repeaters for some reason. For example, you do NOT need to spend $100+ on a programming cable. A standard, run-of-the-mill serial cable is all that is needed (along with the KPG-91D software) to program a TKR. Hope this helps * Ken
Re: [Repeater-Builder] Re: MASTR II PTT
does the relay have a diode installed across the coil ? is it the correct polarity ?
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
I know got a 751 set up for 146. by Kenwood systems and puts out 5 watts. goes into a TPL amp 2 in 120 out set for about 100 watts and into a high end TX RX dupplixer. 7/8 hard line up the tower to 200' and a DB 224 . John - Original Message - From: Mike Mullarkey To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 7:27 PM Subject: RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage John, The 751 and 851 are only 25watt repeaters. The 750 and 850 work just fine as Ken said. Mike Colorado Telecom, L.L.C Mike Mullarkey 6886 Sage Ave Firestone, Co 80504 303-954-9695 Home 303-954-9693 Home Office Fax 303-718-8052 Cellular -- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Maire-Radios Sent: Thursday, April 16, 2009 3:53 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Look at the TKR-751 and TKR-851 US available Have a 751 on 146.xxx factory order John - Original Message - From: Ken Arck To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 5:39 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 01:40 PM 4/16/2009, ptt_pupil wrote: Can anyone tell me how you can convert a TKR-750/850 U.S. model to be used for amateur radio frequency? I see that people have. There is a European model that includes amatuer bands, but can't get it here in the U.S. Thanks! ---No conversion necessary. They tune down no problems at all. Ken -- President and CTO - Arcom Communications Makers of repeater controllers and accessories. http://www.arcomcontrollers.com/ Authorized Dealers for Kenwood and Telewave and we offer complete repeater packages! AH6LE/R - IRLP Node 3000 http://www.irlp.net We don't just make 'em. We use 'em!
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
sorry yes we use the TKR-840 I was thinking of the TKR-830'sIt has been one of those days. We have been replacing our Micor repeaters with the TKR-840 so I should have know better. John - Original Message - From: Eric Lemmon To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 9:57 PM Subject: RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage You may have a different radio in mind, because the Kenwood TKR-740 and -840 repeaters definitely do have built-in tone, and are full duplex. Very high quality units. 73, Eric Lemmon WB6FLY -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Maire-Radios Sent: Thursday, April 16, 2009 4:16 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Also the 840 does not do tone and may only be the TX and RX never got one have always stay away. and yes max 5 watts also - Original Message - From: Ken Arck mailto:ah...@ah6le.net To: Repeater-Builder@yahoogroups.com mailto:Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 6:13 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 02:55 PM 4/16/2009, Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? ---So will the 850 - the standard KPG-91D software will program it and it tunes down to the ham band very easily. I have personally had them tuned down to 436 with no spec' degredation You seem to be getting some incorrect info. Besides, the 840 is a low output radio (5 watts) meant to drive an external amplifier. Not to mention, the 840 is GROSSLY more expensive than the 850. As for the 851, there is absolutely no difference between it and the 850, save for one thing - the 850 is capable of only 25 watts maximum whereas the 850 is capable of 40. Although admittedly the 850 is spec'd at 25 watts only for continuous duty. I can only warn you that there seems to be a LOT of misinformation disseminated about the TKR repeaters for some reason. For example, you do NOT need to spend $100+ on a programming cable. A standard, run-of-the-mill serial cable is all that is needed (along with the KPG-91D software) to program a TKR. Hope this helps * Ken
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
by the way any one in the Tampa bay area of Florida want any 460 to 470 Micors? also Gatlinburg TN Area? John - Original Message - From: Maire-Radios To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 10:46 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage sorry yes we use the TKR-840 I was thinking of the TKR-830'sIt has been one of those days. We have been replacing our Micor repeaters with the TKR-840 so I should have know better. John - Original Message - From: Eric Lemmon To: Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 9:57 PM Subject: RE: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage You may have a different radio in mind, because the Kenwood TKR-740 and -840 repeaters definitely do have built-in tone, and are full duplex. Very high quality units. 73, Eric Lemmon WB6FLY -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Maire-Radios Sent: Thursday, April 16, 2009 4:16 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage Also the 840 does not do tone and may only be the TX and RX never got one have always stay away. and yes max 5 watts also - Original Message - From: Ken Arck mailto:ah...@ah6le.net To: Repeater-Builder@yahoogroups.com mailto:Repeater-Builder@yahoogroups.com Sent: Thursday, April 16, 2009 6:13 PM Subject: Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage At 02:55 PM 4/16/2009, Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? ---So will the 850 - the standard KPG-91D software will program it and it tunes down to the ham band very easily. I have personally had them tuned down to 436 with no spec' degredation You seem to be getting some incorrect info. Besides, the 840 is a low output radio (5 watts) meant to drive an external amplifier. Not to mention, the 840 is GROSSLY more expensive than the 850. As for the 851, there is absolutely no difference between it and the 850, save for one thing - the 850 is capable of only 25 watts maximum whereas the 850 is capable of 40. Although admittedly the 850 is spec'd at 25 watts only for continuous duty. I can only warn you that there seems to be a LOT of misinformation disseminated about the TKR repeaters for some reason. For example, you do NOT need to spend $100+ on a programming cable. A standard, run-of-the-mill serial cable is all that is needed (along with the KPG-91D software) to program a TKR. Hope this helps * Ken
[Repeater-Builder] GE Master III UHF conversion
Has anyone converted the GE Master III 450-470 MHz split repeater down into the ham band? I saw an article on Repeater Builder converting the lower split up to a ham split, but nothing on the higher 450-470 split down. -- James Adkins, KB0NHX
Re: [Repeater-Builder] Converting a TKR-750/850 for Amateur Usage
Adam Feuer wrote: Ken, How about the TKR-840? Any idea if that one will go down via the software and tune without issues as well? Adam N2ACF Adam, I and others are using the TKR-840s here in so-cal. The only down side is the helicals are not narrow as you would normally find in an older GE/Ericsson or Motorola receiver. I don't remember exactly how wide, but IIRC they are about a 15 MHz wide quasi window filter. Here in so-cal we receive low (440-445). Depending on where in the band you need to receive, the helicals may or may not make it that far. They are easily bypassed (part of the unit's design). Ed Yoho W6YJ
[Repeater-Builder] Re: WTB: UHF amplifier
Bump.. Can anyone help me with this? --- In Repeater-Builder@yahoogroups.com, Albert hitekgearh...@... wrote: I am in the market for two UHF amplifiers. Specifically, I would be interested in two of the N1275A models if anyone has a couple. I did see one on ebay but it was a little pricey. Please let me know if you can help. Thanks
[Repeater-Builder] GE Mastr II UHF preamp
Anybody have an idea of the noise to singal ratio for the GE Mastr II UHF preamp? I have heard they are quite noisy as compared with other preamps such as the Advanced Research products. Let me know. Brian, k5in Brian, k5in
