Re: [Repeater-Builder] MSF 5000
At 10:43 PM 11/12/03 -, ad5ik wrote: >Hello. > >I am looking for info on the MSF 5000. Is anyone using one on 2 >meters? If so, how does it perform and are they a good choice for a >2 meter repeater? Also, what is a reasonable price to pay for one >(digital type). I can't really give you much information but our club is using a (digital) MSF-5000 on 2m and it works great. Of course it replaced a very tired GE Master Pro so almost anything would have been an improvement. I can't comment on the price as ours was donated by a local company that went to an 800mhz trunking system. It takes a computer with the Motorola programming s/w and an interface box and cable to do almost anything to the repeater - fortunately we have a member with the necessary skills and equipment. We use an Scom 7K controller on it which was simple to interface. There's a 25 pin DB on the MSF with all the necessary connections. Roger Grady K9OPO Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] Motor for your stand-by generator?
Mr K wrote: here is the new motor for the stand-by generator http://www.bath.ac.uk/~ccsshb/12cyl/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Re: Static / desense problems
> Why do you believe that double shielded cable is > necessary for an antenna run? What are you trying to > keep the signal out of? > Inter-cabling within the cabinet needs to be double > shielded to prevent interaction between the TX and RX > portions, but once those signals are merged at the > output of the duplexer they are both on the same > feedline anyway and double shielding is expensive and > unnecessary. Sometimes it is needed. While the signals are on the same cable after the duplexer there is a great ammount of rejection by the duplexers. There is several feet of coax between some duplexers and the receivers. It is this point where the desense by the coax can hapen. After the coax going to the antenna is a good distance a from the coax going from the duplexer to the reciever there will be enough free space loss there will not be any desense. Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
RE: [Repeater-Builder] Corner Reflectors and UHF Repeaters
Your obviously going to get a very modified coverage pattern with a F/B ratio of 5 to 10 dB better than a typical yagi, but about the same forward gain as a yagi antenna. I presume you need or desire the coverage pattern, or need the F/B ratio for protection, or perhaps you have the antenna and are looking for a use. Should be no problems in full duplex service as long as the unit isn't damaged; depending on reflector material (solid metal pan vs. multiple elements or wire mesh screen) you could have some wind/ice loading considerations to keep in mind. I use 10 dB yagi antennas on some UHF full duplex link antenna systems with zero problems, I don't see where a corner reflector should be any different, other than possibly F/B ratio. Test it out, put some power in the antenna and run some local tests !! Rob K7EI -Original Message- From: Steaven Rogers, AF4ZJ [mailto:[EMAIL PROTECTED] Sent: Wednesday, November 12, 2003 1:23 PM To: Repeater-Builder@yahoogroups.com; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: [Repeater-Builder] Corner Reflectors and UHF Repeaters Does anyone use or have tried to use a corner reflector on a UHF machine? Anyone care to share their thought on the use of this antenna. I know some antennas work great in normal operation, but when they are put into duplex service they croak. Just not sure about corner reflectors. Thanks Steaven, AF4ZJ IRLP Node 7520 Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
If you have the Software, : 1 Read the radio 2 Go to test mode 3 Press F10 4 Go to Maximum deviation 5 Adjust as necesary. If you only want to adjust the microphone sens. you only have to open the radio top and botom, take the front apart, in the components side will be a variable resistor just above the mic. conector , this is the microphone sensibility control hope this helps Juan Richard Velez wrote:> Does anyone know how to increase the mic audio on this radio??>>> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
[Repeater-Builder] MSF 5000
Hello. I am looking for info on the MSF 5000. Is anyone using one on 2 meters? If so, how does it perform and are they a good choice for a 2 meter repeater? Also, what is a reasonable price to pay for one (digital type). Thanks and 73 Kirk Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] Re: Static / desense problems
>Date: Wed, 12 Nov 2003 18:47:59 - > From: "Laryn Lohman" <[EMAIL PROTECTED]> >Subject: Re: Static / desense problems > >H-- what about the case where your single >shielded >cable runs >past a high power paging antenna, Unlikely, since that stuff is normally at the TOP of the tower, but special circumstances require special solutions. >or your own repeater tx antenna? >Seems that leakage INTO your receive antenna coax >could be a consideration here. Um, I covered that... > >About RG213, I've witnessed desense in a duplex >situation >when using >this cable while it is being flexed. I have never seen this. But I do have an acquaintance who wondered why all the jumpers on his duplexers made noise when he touched them. Of course failing to solder the shield in the PL259's had something to do with that. >Bottom line-using solid >shield coax is almost never a bad choice. > >Laryn K8TVZ Never said it was. Sometimes people can't afford it though. If I was doing a building-top installation with a short feed-line run, had a limited budget, and had to choose how to spend my money, I'd put more into the antenna and use RG213 before I would skimp on the antenna just to buy 30' of heliax. Dan N8DJP __ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
I went into test no options for mic audio is shown. >>> [EMAIL PROTECTED] 11/12/03 05:50PM >>> There should be a TEST option under the Program pull down.. -Pete Richard Velez wrote: > I have the software. Were on the menu controls this setting > > >>> [EMAIL PROTECTED] 11/12/03 05:33PM >>> > Richard, it's through the software or via the front panel but ONLY if the > radio > is programmed to allow you to get into this mode on power up.. > > Good Luck, Pete > > Richard Velez wrote: > > > Does anyone know how to increase the mic audio on this radio?? > > > > > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Static / desense problems
From: Jim <[EMAIL PROTECTED]>: > >Gene Colson wrote: > > > And I am going to once again proclaim that with proper connectors, LMR 400 > > is as good as it gets.No more noisy that RG213. I am using it on 900 , 440 > > and VHF duplexers and assure you , there are no problems, > > Gene W7UVH > > > >Of course not-RG213 is unsuitable for duplex as well, as it is NOT >double shielded!!! Actually, I've found that what is most important in braided-shield coax used in duplex service (between duplexer & antenna) is not whether it's single or double-shielded, but whether it's silver-plated. If moisture gets to the copper braid, it can generate a lot of noise; the silver braid seems to be more immune to this. As it turns out, most double-shielded coax is silver-plated while single-shielded silver-plated coax is rare, so there is a strong perceived correlation between the amount of shielding & susceptibility to desense for this reason. Bob NO6B Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
There should be a TEST option under the Program pull down.. -Pete Richard Velez wrote: > I have the software. Were on the menu controls this setting > > >>> [EMAIL PROTECTED] 11/12/03 05:33PM >>> > Richard, it's through the software or via the front panel but ONLY if the > radio > is programmed to allow you to get into this mode on power up.. > > Good Luck, Pete > > Richard Velez wrote: > > > Does anyone know how to increase the mic audio on this radio?? > > > > > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Corner Reflectors and UHF Repeaters
The corner reflector is an excellant quadrant coverage antenna. I have but one caution - if you plan on using it where it will be subjected to high wind or icing conditions, you will need one rated for that type of service. Expect no duplex service problems. Bob - W3TGG - 323-851-2786 Steaven Rogers, AF4ZJ wrote: >Does anyone use or have tried to use a corner reflector on a UHF >machine? Anyone care to share their thought on the use of this >antenna. I know some antennas work great in normal operation, but when >they are put into duplex service they croak. Just not sure about corner >reflectors. > >Thanks > >Steaven, AF4ZJ >IRLP Node 7520 > > > > > > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
I have the software. Were on the menu controls this setting >>> [EMAIL PROTECTED] 11/12/03 05:33PM >>> Richard, it's through the software or via the front panel but ONLY if the radio is programmed to allow you to get into this mode on power up.. Good Luck, Pete Richard Velez wrote: > Does anyone know how to increase the mic audio on this radio?? > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
Richard, it's through the software or via the front panel but ONLY if the radio is programmed to allow you to get into this mode on power up.. Good Luck, Pete Richard Velez wrote: > Does anyone know how to increase the mic audio on this radio?? > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] Corner Reflectors and UHF Repeaters
Does anyone use or have tried to use a corner reflector on a UHF machine? Anyone care to share their thought on the use of this antenna. I know some antennas work great in normal operation, but when they are put into duplex service they croak. Just not sure about corner reflectors. Thanks Steaven, AF4ZJ IRLP Node 7520 Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] Re: Static / desense problems
H-- what about the case where your single shielded cable runs past a high power paging antenna, or your own repeater tx antenna? Seems that leakage INTO your receive antenna coax could be a consideration here. About RG213, I've witnessed desense in a duplex situation when using this cable while it is being flexed. Bottom line-- using solid shield coax is almost never a bad choice. Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Dan Hancock <[EMAIL PROTECTED]> wrote: > Why do you believe that double shielded cable is > necessary for an antenna run? What are you trying to > keep the signal out of? > Inter-cabling within the cabinet needs to be double > shielded to prevent interaction between the TX and RX > portions, but once those signals are merged at the > output of the duplexer they are both on the same > feedline anyway and double shielding is expensive and > unnecessary. > For short antenns runs, RG213 is actually an excellent > choice. > The only exception to this is if there is no duplexer > being used and the repeater is operating on split > antennas with parallel feedline runs, then 100% > shielding is necessary. Under these circumstances > LDM400 or 9913 would be a good choice if heliax is not > available affordably since the cables are not being > used in a duplex setting. > > Dan N8DJP > > > > Date: Tue, 11 Nov 2003 15:38:12 -0500 >From: Jim <[EMAIL PROTECTED]> > Subject: Re: Static / desense problems > > Gene Colson wrote: > > > And I am going to once again proclaim that with > proper > connectors, LMR 400 > > is as good as it gets.No more noisy that RG213. I am > > using it on 900 , 440 > > and VHF duplexers and assure you , there are no > problems, > > Gene W7UVH > > > > Of course not-RG213 is unsuitable for duplex as well, > as it > is NOT > double shielded!!! Or do you mean RG-214, which IS > double-shielded? > And Andrews LDFwhatever-50 is as good as it gets for > feedline for ANY > application! (well, maybe a few exceptions, like > if you > need > radiating feedline, or plenum-rated...) > > -- > Jim > > > __ > Do you Yahoo!? > Protect your identity with Yahoo! Mail AddressGuard > http://antispam.yahoo.com/whatsnewfree Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] want CAT RBS-1000 board info
Hello there, Anyone got a copy of the manual/paperwork for the early CAT RBS-1000 board? Not the current RLS-1000B or the mid era RLS-1000 units. The RBS-1000 is the first (analog) Remote Link Switch/board made by the CAT Controller people. It is a purely analog type of link board vs the RLS versions which went to micro processor control. All I really need is the operation paperwork, but anything you have would be great. CAT doesn't have a copy of the operations manual in their web archives, just the newer (current) uP version which is the RLS series. If you have any RBS version paperwork please contact me direct. thanks skipp025 @yahoo.com Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Deemphasis of discriminator receive audio
> From the http://www.repeater-builder.com/rbtip/consindex.html page... Thank you! Adi -- Adi Linden | va3adi | [EMAIL PROTECTED] | http://adis.ca +-+ IRLP Node 2590 in Sioux Lookout, Ontario Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Kenwood TK-840-1
Does anyone know how to increase the mic audio on this radio?? Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Re: Static / desense problems
Dan Hancock wrote: > Why do you believe that double shielded cable is > necessary for an antenna run? What are you trying to > keep the signal out of? uhhh-the receiver??? > Inter-cabling within the cabinet needs to be double > shielded to prevent interaction between the TX and RX > portions, but once those signals are merged at the > output of the duplexer they are both on the same > feedline anyway and double shielding is expensive and > unnecessary. > For short antenns runs, RG213 is actually an excellent > choice. Not for a permanent installation. I might run it for a test antenna at home, but that's it. > The only exception to this is if there is no duplexer > being used and the repeater is operating on split > antennas with parallel feedline runs, then 100% > shielding is necessary. Under these circumstances > LDM400 or 9913 would be a good choice if heliax is not > available affordably since the cables are not being > used in a duplex setting. > > Dan N8DJP I would still say not for any length. 100' of 9913 has about 1.5 dB loss on 2M, which is getting close to the high end of tolerance for that length. At UHF, it's more like 3dB, and if you're only 100', the height won't be enough to compensate for the loss, unless you're on a buiding top, and even then, going to hardline will be a NOTICABLE improvement. My UHF rptr (on a rooftop) has abt an 80-90' run. I went from 1/2" to 7/8"-just that difference was astounding. -- Jim "The higher you are, the harder it is to pump." -Cleveland Mayor Jane Cambell, after the big black-out of 2003 Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Static / desense problems
Chuck Kelsey wrote: > Both the antenna and feedline are suspect in my opinion. > > Yes, both have been used without problems in certain installations. But, > more times than not, this isn't the case. > > If you expect professional results, you need consider professional > components. Ham-grade parts usually yield less than professional results. > > Trust me, you won't see these components installed by a competent two-way > radio shop on your local police or fire department repeater. > > Chuck > WB2EDV > Exactly...key word there is "competent". I've seen some shops put in some real crap, kinda stuff not even a good ham would put up, more like one of those 'know-it-all' CB types (usually these kind of shops do CB 'mods' as well.) -- Jim "The higher you are, the harder it is to pump." -Cleveland Mayor Jane Cambell, after the big black-out of 2003 Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
[Repeater-Builder] Re: Static / desense problems
Why do you believe that double shielded cable is necessary for an antenna run? What are you trying to keep the signal out of? Inter-cabling within the cabinet needs to be double shielded to prevent interaction between the TX and RX portions, but once those signals are merged at the output of the duplexer they are both on the same feedline anyway and double shielding is expensive and unnecessary. For short antenns runs, RG213 is actually an excellent choice. The only exception to this is if there is no duplexer being used and the repeater is operating on split antennas with parallel feedline runs, then 100% shielding is necessary. Under these circumstances LDM400 or 9913 would be a good choice if heliax is not available affordably since the cables are not being used in a duplex setting. Dan N8DJP Date: Tue, 11 Nov 2003 15:38:12 -0500 From: Jim <[EMAIL PROTECTED]> Subject: Re: Static / desense problems Gene Colson wrote: > And I am going to once again proclaim that with proper connectors, LMR 400 > is as good as it gets.No more noisy that RG213. I am using it on 900 , 440 > and VHF duplexers and assure you , there are no problems, > Gene W7UVH > Of course not-RG213 is unsuitable for duplex as well, as it is NOT double shielded!!! Or do you mean RG-214, which IS double-shielded? And Andrews LDFwhatever-50 is as good as it gets for feedline for ANY application! (well, maybe a few exceptions, like if you need radiating feedline, or plenum-rated...) -- Jim __ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
