[Repeater-Builder] Re: Audio Reproduction

2004-04-08 Thread wd8chl
--- In Repeater-Builder@yahoogroups.com, mch [EMAIL PROTECTED] wrote: Yes, I think the vast majority on this list know quite a bit more of the differences, but that's another issue, as John Q. Ham is not subscribed to this list. (John Q. Ham doesn't BUILD repeaters) Joe M. I dunno-I've

Re: [[Repeater-Builder] Motran Mark XII]

2004-04-08 Thread wd8chl
--- In Repeater-Builder@yahoogroups.com, JOHN MACKEY [EMAIL PROTECTED] wrote: Don't bother. They have weak receivers weak transmitters. The IMTS duplexer isn't very good. ...and if it's VHF, it was designed for an in/out separation of at least 5 Mhz, which is more then the entire 2M

[Repeater-Builder] Re: Audio Reproduction (ic-230)

2004-04-08 Thread wd8chl
Hi Skipp, And we've seen some sloppy engineering in the design of the audio and limiter circuits. What you're saying here Bob... is that you've owned at least one Icom IC-230 at some time in the past. :-) Wow-there's one I haven't heard in a long time-I had one of those

[Repeater-Builder] Re: FCC considers Auxiliary Operation on 2M!

2004-04-26 Thread wd8chl
--- In Repeater-Builder@yahoogroups.com, Nate Duehr [EMAIL PROTECTED] wrote: Jim B. wrote: Doesn't matter-in fact a repeater that's tied up all day with chatter isn't available for emergency communications. Plus the more time it spends keyed up, the less time till something fails.

[Repeater-Builder] Re: MSR-2000 parts/repair needed

2004-06-10 Thread wd8chl
--- In Repeater-Builder@yahoogroups.com, Chris Peterson [EMAIL PROTECTED] wrote: The director of emergency management insists on a Motorola shop doing the work, and there is only one in town. He is willing to send it out of town if it would be cheaper, or more effective. One thing people

[Repeater-Builder] Re: Off topic - HT repair

2004-10-13 Thread wd8chl
A common problem with that series of radios, and indeed most handhelds of that vintage, was the PTT switch going flaky. I'd bet it's bad. Got a spkr-mic that you can try? If the sp/mic sounds ok, it's the switch. Of course, the sp/mic jacks could be bad too, so if it sounds bad, it doesn't

Re: [Repeater-Builder] Re: Macro Prefix formats for multi site programming

2007-05-12 Thread wd8chl
Ed Yoho wrote: Site prefixing (with supervisory lock down commands) is used by every medium to large network I know of. Having both control methods available allows the system management to choose whichever method they prefer. Not having the ability for site prefixing eliminates those

Re: [Repeater-Builder] Re: Macro Prefix formats for multi site programming

2007-05-13 Thread wd8chl
Ed Yoho wrote: The basic difference is on systems with site prefixing as part of the command structure, different inputs get different command requirements. Using macros to simulate site prefixing is pretty inefficient. As an example, a user wants to enter command 12345. From the main

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-25 Thread wd8chl
kb1we6r wrote: Why oh why did they pick 100KHz??? The 10m band is HUGE with no activity (even when the band is open, there should be plenty of room for a better repeater plan). Keith, WE6R in Monterey CA Nope-FM is only allowed above 29.500, so we only have 29.5-29.7 for ANY FM

Re: [Repeater-Builder] Wow!!! only $449!!!!

2007-12-25 Thread wd8chl
Ken Arck wrote: Ooops, dropped a 2 from the Ebay item number. Here's the correct one 280185868722 Ken Guy also has an old Aerotron handheld he's trying to sell as an AEROTRON FM VHF BASE STATION RADIO. |cP

Re: [Repeater-Builder] Re: 10 meter desense help, split site, high noise floor.

2007-12-25 Thread wd8chl
[EMAIL PROTECTED] wrote: Jim - you meant to say Repeaters are allowed above 29.500, not FM. FM is allowed above 29.000 MHz. LJ No, the only thing I should've added was 'wide-band' FM, ie, anything that occupies more bandwidth then a normal AM signal.

Re: [Repeater-Builder] Grinch words/list for repeater and radio folks going into 2008

2007-12-25 Thread wd8chl
Paul Plack wrote: ...Your club elected a tech-challenged board, ...and they all actually believe that the made-for-ham repeater equipment is better then commercial grade Motorola or GE simply because it's newer.

Re: [Repeater-Builder] Grinch words/list for repeater and radio folks going into 2008

2007-12-25 Thread wd8chl
Mike Morris WA6ILQ wrote: I wish !!! I've got Verizon now (formerly the Great Telephone Experiment) Generally Trashy Electronics...

[Repeater-Builder] Change of scenery

2008-01-06 Thread wd8chl
Just thought I'd mention here that I have left TransCore, and have accepted a position with American Messaging paging. I will be responsible for maintaining infrastructure across NE Ohio, most of W. Virginia, and extreme eastern PA. -- Jim Barbour American Messaging

Re: [Repeater-Builder] Off Topic (but with on topic questions): NTIA propaganda

2008-01-21 Thread wd8chl
Mike Morris WA6ILQ wrote: In the USA the 60-66MHz range is television channel 3, the 66-72MHz range is TV channel 4, the 72-76MHz frequencies are used as Operational Fixed / Repeater frequencies (essentially commercial point-to-point links), 76-82MHz is TV channel 5 and 82-88MHz is TV

Re: [Repeater-Builder] Re: Off Topic (but with on topic questions):NTIA propaganda

2008-01-21 Thread wd8chl
Ben wrote: If you haven't tried to rx DTV yet it's time you did. I can watch channels now in studio quality that in analog are almost unwatchable by todays standards. HD signals are very nice too! It's easy to pick these channels up with the antenna you have up now and the cost is just

Re: [Repeater-Builder] Re: Low Repeater output at site only

2008-01-21 Thread wd8chl
Mike Morris WA6ILQ wrote: At 10:04 AM 01/17/08, you wrote: Note that the built-in controller in the early Kenwoods (i.e. the 720 models) is pretty brain-dead and does not meet amateur requirements. Those that use those models just set them up as duplex base stations and use an external

Re: [Repeater-Builder] Re: Motorola radios on ham

2008-01-21 Thread wd8chl
MCH wrote: I'll take a few XTSs or XTLs for a couple hundred bucks each - or even $600 each. But that aside, why is a P25 radio the only one you should be able to get to do 440-476? Even so, P25 is a small percentage of Motorola's entire line. Another point: If the radio has a

Re: [Repeater-Builder] Measuring Coverage Area

2008-01-21 Thread wd8chl
Keith, KB7M wrote: If by down-and-dirty you mean simple, you can do a HAAT (Height Above Average Terrain) calculation. This is about as easy as it gets ( http://www.fcc.gov/mb/audio/bickel/haat_calculator.html). This method is easy, but only accurate if the terrain is mostly flat. It

Re: [Repeater-Builder] Motorola Micor Vibraspondor TLN8381A 2Z 110.9 Hz

2008-01-21 Thread wd8chl
swellesleys wrote: We are looking for a Motorola Micor Vibraspondor TLN8381A 2Z 110.9 Hz for use with our local repeater - K8VJ/R. Please email me if you have one you would like to sell. TNX Steve N8AR Just a friendly note-watch out if your repeater is on 2M. NE Ohio has used 110.9 for 2M

Re: [Repeater-Builder] Re: Off Topic (but with on topic questions):NTIA propaganda

2008-01-21 Thread wd8chl
TGundo 2003 wrote: Your sources are mis-informed. This isn't mis-information. This is personal experience. DTV requires MORE antenna to work without breakup. Where a little snow is perfectly tolerable, even a flinch of digital breakup once in a while can make it unwatchable. If your too

Re: [Repeater-Builder] Re: Gmrs Repeater

2008-01-22 Thread wd8chl
Gary wrote: CFR title 47 is available on the FCC's website for all to view. 95.135(a) reads No station may transmit with more than 50 watts output power. Subpart (d) reads A fixed station must transmit with no more than 15 watts output power. 95.25 further defines land stations. My

Re: [Repeater-Builder] Re: Gmrs Repeater

2008-01-24 Thread wd8chl
[EMAIL PROTECTED] wrote: We? Who else are speaking for? I've submitted this question to the FCC for clarification. We'll see what they say if they actually get back to me (they usually don't). Gary uh-'We' as users/radio people.

Re: [Repeater-Builder] Re: Gmrs Repeater

2008-01-24 Thread wd8chl
[EMAIL PROTECTED] wrote: Good idea Richard especially since Mitreks are wideband radios so making them meet the narrower GMRS specs is probably a monumental task. I wonder if a Mitrek can even meet the required frequency tolerance. Gary You're not talking about the Part 90 narrowbanding?

Re: [Repeater-Builder] Gmrs Repeater

2008-01-24 Thread wd8chl
Jack Hayes wrote: I can't imagine why you'd want to go to the trouble of building a GMRS repeater. Two years ago I purchased a Motorola Desktrac UHF, tuned it up and set it up. Works fine -- no hassles. It is a little more power than I need so I'm about to replace it with a Ritron

Re: [Repeater-Builder] Re: Gmrs Repeater

2008-01-24 Thread wd8chl
[EMAIL PROTECTED] wrote: I should clarify that I was referring to new commercial gear coming stock with 4Khz dev on 20Khz channels as one of the selectable bandwidths per channel. Educated guess-that's probably for the 800MHz NPSPAC channels. They are slightly narrower assignments, with

Re: [Repeater-Builder] Re: Gmrs Repeater

2008-01-24 Thread wd8chl
[EMAIL PROTECTED] wrote: Paul, the underlying and unexpected contridiction here was not between 15Khz vs. 20Khz channel spacing but instead between 20Khz and 25Khz channels more commonly found on UHF which as you know is where GMRS resides. Historically there's more than enough guard between

Re: [Repeater-Builder] Raytheon releases analog to P25 device

2008-02-10 Thread wd8chl
Nate Duehr wrote: Interesting... sending to Illinois Digital, D-Star, and Repeater-Builder lists; Raytheon has a box that supposedly takes baseband audio from an analog repeater that has a P25 radio transmitting into it, and turns it back into analog...

Re: [Repeater-Builder] Wide Band / Narrow Band

2008-02-17 Thread wd8chl
Jim Cicirello wrote: Hi Chuck, What are you hearing from the Sheriff Joe as your county is a BATA Site for M/A-Com OpenSky. I am hearing horror stories. Some time if you have a minute maybe you can bring me up to speed on your opinion as to if this system will ever be accepted. I know

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital Repeater Operation

2008-05-08 Thread wd8chl
activity, or preventing transmission if there is any, it needs to be redesigned, as it can easily be considered illegal. P25 has it. Jim WD8CHL

Re: [Repeater-Builder] Re: antenna question - Dip It and Scotch Kote and Kry

2008-05-08 Thread wd8chl
ocwarren2000 wrote: Er.. uh... Excuse me, but why all this commotion about painting and preserving antennas??? If everyone used limited range, low gain, stacked folded dipoles, then maybe so, but stacked folded dipoles are a low gain limited range item. A 4-bay stacked dipole

Re: [Repeater-Builder] Re: antenna question

2008-05-08 Thread wd8chl
John Transue wrote: I'm afraid there is no easy way to evaluate an antenna except from signal reports. Even if you have a field strength meter, which I do not have, the reading would only be relative except on a calibrated test range. Thanks for sharing your experience with me.

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digita

2008-05-11 Thread wd8chl
Ron Wright wrote: Jim, I tend to agree more spectrum is not needed on 2 meters just to accommodate D-Star or any other mode, digital or analog. Many analog boys are also starving for space for their repeaters. D-Star does look for the proper D-Star format to unsquelch as one might say.

Re: [Repeater-Builder] Best coax for short jumpers in repeater cabinet?

2008-05-11 Thread wd8chl
RG-213 is NOT double-shielded and should NOT be used in a full duplex repeater system. RG-214 is the corrct substitute. Ron Wright wrote: Kris, I guess the question would be are you now having problems you think are caused by internal cable??? If not replacing RG213 with 142 is not a

Re: [Repeater-Builder] Re: antenna question - Dip It and Scotch Kote and Kry

2008-05-11 Thread wd8chl
Paul Plack wrote: Actually, in theory, a fiberglas-enclosed colinear array fed from one end requires more elements and length to equal the gain of an otherwise comparable colinear array fed at each element. The upper elements of a Stationmaster are seeing less RF current than the ones closer

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital Repeater Operation

2008-05-11 Thread wd8chl
Nate Duehr wrote: wd8chl wrote: Good. D-Star and other digital voice modes do NOT need more spectrum on 2M. If a digital voice mode does not have some sort of provision for monitoring for non-digital activity, or preventing transmission if there is any, it needs to be redesigned

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digit

2008-05-11 Thread wd8chl
Dan Blasberg wrote: On May 9, 2008, at 1:55 PM, Ron Wright wrote: D-Star rigs are expensive as Ham Radio rigs, but how expensive is P25 radios??? Depends on the manufacturer and if you want new or used. Used P25 radios can be had for as little as $250 (you still need a programming

Re: [Repeater-Builder] Duplex coax types

2008-05-15 Thread wd8chl
jimmylpowell wrote: After reading all of the recent post about different types of coax that are acceptable in duplex service, I made my self a list. Then, I thought that this might be helpful to others. Here's what I came up with so far. Please add any that I have missed. RG-142 Be

Re: [Repeater-Builder] Re: Antenna Gain (WAS antenna question - Dip It and Scotch Kote)

2008-05-15 Thread wd8chl
Nate Duehr wrote: (Hmmm... MIC-E packets from all the repeater's user radios with GPS lat/long data embedded in them, a way to decode that at the mountain and point the antennas az/el rotor and medium-sized yagis, mounted vertically... hahaha now that I've said it, some nut will TRY

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digita

2008-05-15 Thread wd8chl
Nate Duehr wrote: On May 11, 2008, at 9:40 PM, wd8chl wrote: Ron Wright wrote: Jim, I tend to agree more spectrum is not needed on 2 meters just to accommodate D-Star or any other mode, digital or analog. Many analog boys are also starving for space for their repeaters. D-Star does

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital Repeater Operation

2008-05-15 Thread wd8chl
Nate Duehr wrote: On May 11, 2008, at 10:13 PM, wd8chl wrote: That's what I was headed towards. The original post of the FCC answer (the part I quoted) seemed to lead that the petitioners were requesting additional repeater spectrum partially based on D-Star users not being able

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digita

2008-05-15 Thread wd8chl
Ron Wright wrote: Nate, I should have said a repeater radio cost over $1000, but then again I thought the discussion was about repeaters on D-Star. I paid $400 for the IC91AD. This is about the cheapest one can do unless they get used like on e-bay. An equivlant analog is

Re: [Repeater-Builder] Duplex coax types

2008-05-15 Thread wd8chl
Mark wrote: I'm a fan of the andrew 1/4 inch superflex. You can terminate them with standard PL259, using the UG176 reducer meant for use with rg59, soldering the shield at the top only. I've not swept them but feel sure they would be sufficient for any frequency you would feel

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital Repeater Operation

2008-05-15 Thread wd8chl
Well, the fact that no one s sing it (like they SHOULD be doing), no one's using it... |cP

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital

2008-05-15 Thread wd8chl
Mike Mullarkey wrote: The reason I like the MOTOROLA solution is that you can have a Digital TDMA repeater on the air and now you can have to clubs split the cost of the digital repeater and have TWO Digital voice conversations at the same time using a narrow band channel. That is getting the

Re: [Repeater-Builder] coordination?

2008-05-15 Thread wd8chl
Bob M. wrote: Regarding trustees: club stations certainly need one. I think it's just customary even for privately owned repeaters to have trustees, even if it's in name only, and it could certainly be the station owner, but it doesn't have to be. A repeater could be owned by a novice (who

Re: [Repeater-Builder] coordination?

2008-05-15 Thread wd8chl
! On Thu, May 15, 2008 at 11:19 AM, wd8chl wrote: Bob M. wrote: Regarding trustees: club stations certainly need one. I think it's just customary even for privately owned repeaters to have trustees, even if it's in name only, and it could certainly be the station owner

Re: [Repeater-Builder] FCC Denies Petition to Utilize 2m Sub-Band for Digital

2008-05-15 Thread wd8chl
Mike Mullarkey wrote: Wd8chl wrote: Understood-the bad news is if the repeater goes down, I'm pretty sure the radios are dead. I don't think there's a simplex mode. If there is, it's NOT TDMA. What happens if a P25 repeater or D-Star module fails.You don't get out unless you have

Re: [Repeater-Builder] Sunday at Dayton - Part Deux

2008-05-23 Thread wd8chl
Wayne WA2YNE I am being forced to change my user ID because for some STUPID reason, ebay INSISTS that your user ID and email CANNOT start the same. All of my email addresses start with wd8chl, so because ebay is a bunch of jerks, I have to change my user ID to something like wd8chl1

Re: [Repeater-Builder] Weather Receivers

2008-05-29 Thread wd8chl
Mike Besemer (WM4B) wrote: I just picked up a Midland WR-100 weather receiver to replace my sickly Radio Shack unit here at the house. I've been toying with interfacing a weather receiver with our repeater for a while and was considering getting another WR-100 (they're only $29 locally) for

Re: [Repeater-Builder] Re: GMRS Radios

2008-05-29 Thread wd8chl
[EMAIL PROTECTED] wrote: Don't worry even the guys on the personal radio website can't figure this out. No one seems to agree on it. But it seems like as long as I don't have it ID when no one is on it then no one here will have a realy issue with it. Oh wait that was another

Re: [Repeater-Builder] P25 (mis)Information?

2008-05-29 Thread wd8chl
Steve S. Bosshard (NU5D) wrote: At a quick glance I see a problem using TA in a trunked radio system because unless the RF channel is removed from the trunked system and subscriber radios set up for conventional TA on that frequency, other traffic on the trunked system will collide with

Re: [Repeater-Builder] Re: Folded Diploles or Vertical antenna?

2008-06-03 Thread wd8chl
atms169 wrote: It's the KE5KAF Dstar system in Laredo. 2 Meters 120 watts after duplexers Telawave 4 cans 600 Split Coax LMR-400 80feet Antenna I want to put up is a Commercial Anitron-150 Similar to a DB220 A 2-bay folded dipole array is 3 dBd gain, not 6. So to get the same gain, you need

Re: [Repeater-Builder] Re: Folded Diploles or Vertical antenna?

2008-06-03 Thread wd8chl
atms169 wrote: Well as you know, one is never satisfied with their own repeater. Always wanting to have better! Yes, the Dstar system is great. I am changing the fiberglass vertical to the Anitron-150 which is a set of folded dipoles. I'm running a TE Systems PA and a Chip Angle

Re: [Repeater-Builder] Re: software repeater controller

2008-06-16 Thread wd8chl
jistabout wrote: Hi Scott, I've been running a somewhat complex system which uses an old PC as the controller for several years now and it works just fine. You can see pictures and details at: http://www.ka7btv.com/cora.htm http://www.ka7btv.com/cora.htm This system deos not use the

Re: [Repeater-Builder] Re: software repeater controller

2008-06-17 Thread wd8chl
Coy Hilton wrote: XP actually runs quite well. As long as you don't load up every program that you can find on the web on it. for a dedicated controller just load what it takes to run it and it'llsuprise you!!! AC0Y ummm-I had both laptops as new XP installs. Both ran crappy with nothing

Re: [Repeater-Builder] Re: Anyone familiar with the LDG RVS-8 Voting system?

2008-06-18 Thread wd8chl
Mike Morris WA6ILQ wrote: At 09:06 AM 06/17/08, you wrote: I am building a large repeater system here in SE Kansas for SkyWarn and I am wanting to use the RVS-8 Voter. Our system uses Motorola Maxtracs for pretty much every aspect of our giant 15 county coverage repeater. Has anyone

Re: [Repeater-Builder] Re: the scam changes...

2008-06-20 Thread wd8chl
Craig wrote: Ed It's refreshing to see someone use proper radioman terminology these days. The term MORT is falling into oblivion these days. Craig --- In Repeater-Builder@yahoogroups.com, Com/Rad Inc [EMAIL PROTECTED] wrote: I share this crazy deal with y'all Some Mort ...

Re: [Repeater-Builder] Antenna mounted near a water tank on wood pole

2008-06-20 Thread wd8chl
Joe wrote: Hello Groupies, I had this question posed to me and I am looking for your opinions. The question below has been edited to protect the innocent2 meter repeater.. 73, Joe, K1ike I have a technical question with which I need assistance

Re: [Repeater-Builder] Re: software repeater controller

2008-06-20 Thread wd8chl
jistabout wrote: Just my opinion and experience of course, but I've found the Linux Distros which I've tried (Red Hat, Debian, Mandrake and a few others) to be cumbersome to set up and somewhat quirky compared to Windows, especially a stripped-down lean copy of XP. Also, its not as easy to

Re: [Repeater-Builder] Re: Anyone familiar with the LDG RVS-8 Voting system?

2008-06-23 Thread wd8chl
[EMAIL PROTECTED] wrote: At 6/20/2008 15:52, you wrote: I'm not sure I follow. I would think that for peak and valley detection to work right, you need to look at the voice spectrum, not the noise spectrum, and use the ratio of the peaks to valleys to compute a value indicitive of the S/N,

Re: [Repeater-Builder] Reasonably low wind load antenna

2008-06-24 Thread wd8chl
[EMAIL PROTECTED] wrote: At 6/23/2008 19:28, you wrote: Folks We're moving a VHF amateur repeater to a 96' Trylon self supporting tower. The overwhelming opinion is that our current 210C4 four bay folded dipole would be too much of a weight and wind load for that tower. One comment

Re: [Repeater-Builder] Re: anyone know backdoor to csi tone panels

2008-06-25 Thread wd8chl
year working. I have cables for the 7, although I don't think they are factory cables. I'd like to get $50 a piece for them. Send me an email off list! Jim WD8CHL

Re: [Repeater-Builder] GMRS and P25 Question

2008-07-02 Thread wd8chl
Steve wrote: I have a question if someone might be able to awnser it grate . I am getting ready to Setup a GMRS Repeater . However the Repeater that I would be using is a P25 Digital / Analog Repeater . I was wondering if P25 Astro Digital Can be Used on the GMRS Band ? I have called the

Re: [Repeater-Builder] GMRS and P25 Question

2008-07-02 Thread wd8chl
In a message dated 7/2/2008 2:49:45 P.M. Eastern Daylight Time, [EMAIL PROTECTED] writes: Steve, in my limited experience P25 is (I think) designated as an F2E emission type in a conventional application such as this but since you were unable to get an answer I'm gonna try

Re: [Repeater-Builder] Re: anyone know backdoor to csi tone panels

2008-07-03 Thread wd8chl
wd8chl wrote: Speaking of that, I have 7 CSI-32's I want to sell off. An 8th is up at a site and will be replaced soon. All were removed from service at the end of last year working. I have cables for the 7, although I don't think they are factory cables. I'd like to get $50 a piece

Re: [Repeater-Builder] New Repeater Desense Problems

2008-07-08 Thread wd8chl
de W5DK wrote: Not to hijack the thread, but a dummy load is NOT always a perfect test to eliminate the equipment. I think it’s a good start though. I just solved a situation where I had 15 db desense into a 600ft feedline / antenna and ZERO desense into a dummy load. This was using a

Re: [Repeater-Builder] New Repeater Desense Problems

2008-07-09 Thread wd8chl
Mike Morris WA6ILQ wrote: And some evening spend some time reading this: http://www.repeater-builder.com/db/db-about-rf-communications.pdf Yes, some of the info is 40 years old, but the physics of RF hasn't changed. Mike WA6ILQ And never will! At least not until somebody figures out how

Re: [Repeater-Builder] Re: New Repeater Desense Problems

2008-07-09 Thread wd8chl
Laryn Lohman wrote: --- In Repeater-Builder@yahoogroups.com, wd8chl [EMAIL PROTECTED] wrote: It sounds to me like the PA wasn't aligned properly. Or the duplexer is not aligned properly. Most, but not all, MastrII PA's have an output filter section that is tricky to align correctly

Re: [Repeater-Builder] Measuring Desense

2008-07-10 Thread wd8chl
Ron Wright wrote: Bob, One other note on the VHF lo and 6 m. 6 might improve due to the HDTV stations will be able to run considerably lower power. Our Ch 10 on VHF hi will go from 42 kW RF, 216 kW ERP, to avarage 2 kW with 10 kW peak RF. They will also like the electric bill more, hi.

Re: [Repeater-Builder] Measuring Desense

2008-07-10 Thread wd8chl
Ron Wright wrote: I have a few friends that have gotten their top set boxes for HDTV receiving it over the air with antenna and all are so excited about the very noticable quality improvement. If someone is a few miles from a typical TV station and cannot receive it with rabit ears it aint

Re: [Repeater-Builder] Measuring Desense

2008-07-10 Thread wd8chl
TGundo 2003 wrote: As for picture quality- If it's an SD program it may look the same on analog vs digital, but if your HD looks the same then something is wrong. Period. Yeah-there's something wrong alright-it's all hype. DTV is a big rip-off.

Re: [Repeater-Builder] MCX 100 AS A REPEATER

2008-07-11 Thread wd8chl
aat3ok wrote: Can anyone that knows the MCX100 tell me if it is a reasonable choice for making a repeater. I have one of these that was given to me and am trying to figure what I want to do with it. Thanks Jim It might be OK as a rx, but it's pretty much a forgone conclusion it will

Re: [Repeater-Builder] Measuring Desense

2008-07-12 Thread wd8chl
I made an isotee today by cutting off the central pin in a F-M-F tee. I measured the attenuation by comparing the power through the tee to the power that escapes from the isotee port. With the central pin cut off flush with the dielectric the attenuation is about 38 dB. With the central

Re: [Repeater-Builder] MSR2000 narrow banding

2008-07-16 Thread wd8chl
One BIG glitch-depending on the band/frequency, it may not program to the new frequency. On VHF especially, there are channels that cannot be programmed in the synthesizer. Another problem is cost. If whoever is doing this doesn't have someone on staff qualified to do this, it's not economical

Re: [Repeater-Builder] NBC Dateline story on Tower Climbers

2008-07-19 Thread wd8chl
Gmail - Kevin, Natalia, Stacey Rochelle wrote: Just a shame some of us won't be able to see this interesting doco, not in the cont USA. Unlikely our TV companies will show this any time soon, maybe ever. Any change someone will record it and make it available via a torrent? Heres hoping.

Re: [Repeater-Builder] PL Problem

2008-07-19 Thread wd8chl
Eric Lemmon wrote: Tom, The TIA-recommended standard deviation for CTCSS is 500 Hz on a 16K0F3E or 20K0F3E emission. Most CTCSS decoders can reliably detect tone deviated as low as 100 Hz. Any deviation greater than 500 Hz can be considered excessive. The TIA spec is for +/- 500Hz

Re: [Repeater-Builder] Re: Duplexer Tuning / Desense

2008-07-19 Thread wd8chl
[EMAIL PROTECTED] wrote: At 09:41 AM 7/19/2008, you wrote: I have seen at least one clearly demonstrated case where even adjacent hard-line runs have had excessive mutual energy coupling. Go figure... Not surprising at all, if the antennas they were connected to were poorly decoupled

Re: [Repeater-Builder] M-II VHF huge split

2008-07-20 Thread wd8chl
Gary Glaenzer wrote: anyone see a problem with a M-II operating thus: RX 161.70 TX 170.15 or 166.25 no duplexer, separate antennas (rx @ 450 ft, DB-224; tx @ 100 feet, yagi) thoughts ? Not right off. 350' of vertical separation, and frequency separation of 5-10 MHz, should yield no

Re: [Repeater-Builder] Re: PL Problem

2008-07-20 Thread wd8chl
Eric Lemmon wrote: My statement about the definition of Standard CTCSS Modulation is correct, and thank you for confirming that. As others have pointed out, manufacturers are not necessarily bound to comply with TIA standards. I guess the real issue is, why should any manufacturer set CTCSS

Re: [Repeater-Builder] So I watched it NBC Dateline story on Tower Climbers

2008-07-22 Thread wd8chl
Joe wrote: YupWas it my imagination or was there an excessive number of commercials? Joe There's ALWAYS an excessive number of commercials...

Re: [Repeater-Builder] Re: just thinking

2008-07-23 Thread wd8chl
Nate Duehr wrote: snip (When we added mandatory CTCSS to our repeaters a few years back, one of the techs jokingly wanted to title the article for the e-mail newsletter That 70's Repeater, since we were finally implementing 1970's technology.) ROFLMAO!!! snip Or figure out how to link

Re: [Repeater-Builder] DC Remotes

2008-07-24 Thread wd8chl
mickupi wrote: Does anyone still use DC remotes? Mick They're pretty handy for in-house remoting, ie, a hospital ER on the first floor with a med channel base on the roof. They respond much quicker then a tone remote, so if you have a dispatch center that wants to patch radios together

Re: [Repeater-Builder] Re: Who is Scotch Kote?

2008-07-24 Thread wd8chl
Is that on Snopes anywhere? ;c) jk Joe wrote: You are correct! The Scotch Kote (Gealic spelling of coat) was very successful at preventing wardrobe malfunctions of the kilt. Years ago, a 3M executive who was attending the British Open golf tournament at St. Andrews Old Course in

Re: [Repeater-Builder] Duplexer cables

2008-07-25 Thread wd8chl
I think we are making much ado about nothing here. Certainly, for UHF and VHF duplexers, the lengths of the cables that came with it should be fine for the ham band as well. At least I've never seen one that it matters. Now, I suppose moving one that is for 160-175 down to 146, yeah, you'd

Re: [Repeater-Builder] Re: Frequency pair

2008-07-25 Thread wd8chl
George Henry wrote: There ARE frequency coordinators for commercial pairs, as well... a list is on the FCC website at http://www.fcc.gov/pshs/public-safety-spectrum/coord.html. It appears that the filing fee for a new land mobile license below 470 MHz is $60.00, according to the fee

Re: [Repeater-Builder] Re: DC Remotes

2008-07-25 Thread wd8chl
Jason Greene wrote: If I understand DC remotes correctly, they are controlled by polarity and voltage? Close-current. Usually transmit on F1 (channel 1) is either +5 to 6mA or +11 to 12 mA. Voltage is varied to provide that current.

Re: [Repeater-Builder] Re: How to figure cable length for duplexer?

2008-07-26 Thread wd8chl
Output frequency is 145.450 input is 144.850. How do I figure out what length the cables should be between the rx side and tx side that connect to the T-Connector? Thanks and 73's ! Gary K2ACY If the duplexer was supplied from Telewave on 2M, then what you have is right. LEAVE

Re: [Repeater-Builder] Re: New 6M Repeater in Central NH

2008-07-27 Thread wd8chl
and handle mail of different priorities at different times, and it often sets them off when a topic is slightly questionable. Well said, Nate! Jim WD8CHL ;c)

Re: [Repeater-Builder] Receiver for 6 meters

2008-07-28 Thread wd8chl
mickupi wrote: I need a good receiver for our 6 meter repeater. It is on 53.090/52.090. What would be a good radio to look for. Preferably crystal controlled and easy to tune. I am not completely ruling out programmable radios, it's just that they are not my preference. If you have something

Re: [Repeater-Builder] Re: Receiver for 6 meters

2008-07-28 Thread wd8chl
Tom reminded me-yes, the Mitrek makes a very good 6M rx as well, little to no mods. Most rx mods involve front end helical work-needs a LARGE soldering iron or torch. Tom wrote: If it were me, I'd be looking at a Motorola Mitrek, Micor or possibly even Motrac receiver. The Motrac is an

Re: [Repeater-Builder] Curious Situation

2008-07-30 Thread wd8chl
[EMAIL PROTECTED] wrote: At 7/29/2008 20:37, you wrote: Rber s, I posted a note very early this week about my looking for a someplace to get a 220 duplexer tuned in the TAMPA area. Having not much luck I contacted a local MOTOROLA shop and paid $95 for the service. The receipt

Re: [Repeater-Builder] Re: UHF MICOR Unified Chassis

2008-08-05 Thread wd8chl
n9wys wrote: Well, Joe - I got it to work! What I ended up doing was chasing the audio path from the goes-inna through the backplane. I found that on the Squelch Gate card, it was not being passed, even though the jumper was in place. I added a hard-wire jumper to the backplane between

Re: [Repeater-Builder] Re: UHF MICOR Unified Chassis

2008-08-05 Thread wd8chl
[EMAIL PROTECTED] wrote: Check the repeater-builder site for a mod to the station control module to make it DISABLE the transmitter and add a status LED as well. Bill - WA0CBW Right-mine is similar. I re-purposed the PL disable transistor to function as the F1 channel element enable

Re: [Repeater-Builder] Re: SCOM 7330 Experiences anyone? (real world customer service)

2008-08-08 Thread wd8chl
skipp025 wrote: skipp025 at yahoo.com www.radiowrench.com ps: Same good things can be said about many of the other Controller Mfgrs who are also members of this and other Yahoo Groups... like Ken, Ron, Steve and Alan. Each one has been more than fairly accessible on the phone and by

Re: [Repeater-Builder] Re: Low Band Base Antenna Info Wanted

2008-08-17 Thread wd8chl
mark_n2mh wrote: Thanks to LW, SD, and Eric for answering my request. Sorry for any confusion, but the antenna as given to me, has no radials at the present time. I will have to fabricate them. My original thought was to make the antenna work in its original frequency range, 30-40 MHz.

Re: [Repeater-Builder] Kenwood squelch quality

2008-08-18 Thread wd8chl
chappyr wrote: A club is considering Kenwood TKR repeaters for 2M and 440. The 2M repeater will be carrier squelch--no tone. Would appreciate comments how well the Kenwood squelch works, compared to the famous Micor squelch, RLC-MOT, MASTR2, etc. Thanks -- kd4ss

Re: [Repeater-Builder] Kenwood squelch quality

2008-08-19 Thread wd8chl
[EMAIL PROTECTED] wrote: Mike, Now wait just a minute. Cochran is not in the middle of nowhere because I live in the middle of nowhere. I like the two repeaters with carrier squelch. I have always thought of CTCSS as an inconvenience, but maybe in more populated areas it is becoming much

Re: [Repeater-Builder] GE MASTR II PWR SUPPLY - What dies first?

2008-08-19 Thread wd8chl
enjoyacold807 wrote: Your basic GE Mastr II rack mount pwr supply (ref PL19D436272G1 Rev A) was part of club WA8UXP's 2m GE MastrII (base) repeater (146.985 Mhz) until it started acting up (a few years ago). Basically, the no load voltage looked ok. But, once the 100w PA kicked in the

Re: AW: [Repeater-Builder]Low Band Base Antenna Info Wanted

2008-08-19 Thread wd8chl
Siegfried Jackstien wrote: hi folks just a question: end fed halfwave with radials??? impedance 50 ohms??? an endfed halfwave has a builtin stepuptransformer or something similar so impedance on the connector is probably 50ohm BUT ... no radials needed it is an end fed vertikal

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