Re: [Repeater-Builder] feedline advice

2007-12-26 Thread Steve S. Bosshard (NU5D)
Ditto on the super flex - or 1/2" heliax. de nu5d Jay Urish wrote: > Just go get some 1/2 suplerflex and call it good. > > Willis M. Hagler wrote: > >> Hello All, >> >> I am putting up a UHF repeater in Seattle and have a question >> regarding feedline losses. The repeater site is on top of a

Re: [Repeater-Builder] Re: Matching a 75 ohm antenna

2007-12-26 Thread Steve S. Bosshard (NU5D)
I had some very nice 3/4" catv 75 ohm line some years ago. It was foam dielectric with a jelly filled outer jacket - nice stuff. I took a hack saw and split the outer shield kind of like peeling a banana, then cleaned out the dielectric, and took a small hammer and drove a PL258 over the center p

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

2007-12-26 Thread Paul Plack
Been there! I helped negotiate a spot for four ham repeaters for an Atlanta-area club on a platform at 1400 feet on a broadcast tower. A true dream site - free rent, free AC power, no commercial tenants at the time, just an FM broadcast station, and permission to put two big NEMA rack cabinets o

[Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread aceblaggard
Hi all, We are currently applying for a 7.6Mhz split UHF repeater here which means we will be able to do away with the old and lossy large cavity filters for our old 1.6Mhz split repeater and use a commercial unit. We've already tried a loaned Procom duplexer and the results are most promising wit

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

2007-12-26 Thread Paul Plack
I'm afraid you've missed the ARRL's point. It's not about what modes are authorized on a given frequency, it's about what constitutes an "auxiliary station." The ARRL's position is that the linking of a whole community of users from a VHF/UHF repeater input to 10M does not constitute a remote b

[Repeater-Builder] Will this hurt my radio?

2007-12-26 Thread jistabout
Hi everyone! I just installed an Icom IC-706MKIIG in my UHF repeater for use as a remote base. I did this to consolidate, and to replace 3 other aging remote radios. The method which I use to activate/deactivate the IC-706 actually switches DC power to the radio on & off. So here's my question

Re: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Steve S. Bosshard (NU5D)
When I moved some 155 mhz duplexers to 146 I found adding a type n elbow in places where I could not get the notch to move made just enough difference. This adds about an inch without having to rebuild the harness, or else a nice way to test cable lengths. Also if adding the elbow makes things wo

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

2007-12-26 Thread Mike Morris WA6ILQ
At 10:50 AM 12/25/07, you wrote: Jim, I'd be interested to know where in part 97 you find any restriction on FM below 29.5. (Without debating it, of course.) ARRL bandplan, yes, but FCC rules? Keith, we're also stuck with band-planning on other bands which didn't anticipate the popularity o

Re: [Repeater-Builder] Will this hurt my radio?

2007-12-26 Thread Mike Morris WA6ILQ
At 01:57 AM 12/26/07, you wrote: >Hi everyone! > >I just installed an Icom IC-706MKIIG in my UHF repeater for use as a >remote base. I did this to consolidate, and to replace 3 other aging >remote radios. > >The method which I use to activate/deactivate the IC-706 actually >switches DC power to the

Re: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Jim Brown
To recommend what to do, the first thing is to determine which type of Q202G duplexer you have. Here is the manual on an older type that has the variable tubular dialectric to tune the notch. Eric Lemmon scanned this one and posted it for the group. Later types do not use the same technique to t

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread Jed Barton
Hey there, you pay a little more for them, but the angle liniar preamps are awesome. They come with a filter. Like i said, you pay about twice the price of an ARR, but overall, it is a much much better pre amp. So many people just hook up a preamp. What good is it if you're getting all k

Re: [Repeater-Builder] feedline advice

2007-12-26 Thread k1ike_mail
If you use 7/8" hardline for the feedline you will need to use 2 jumpers at either end for your connections. This will add a minimum of 4 more connectors to the overall feedline, introducing more loss. More importantly, this will add more points of possible failures. I would use 1/2" hardline

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

2007-12-26 Thread Jim
Paul Plack wrote: > I'm afraid you've missed the ARRL's point. It's not about what modes > are authorized on a given frequency, it's about what constitutes an > "auxiliary station." > > The ARRL's position is that the linking of a whole community of users > from a VHF/UHF repeater input to 10M doe

[Repeater-Builder] GE UHF Receiver WTB Possible

2007-12-26 Thread Com/Rad Inc
May require a GE M/astr III UHF Receiver Front End Anybody have one available for sale? 450-470 range reuqired Ed Folta Com/Rad Inc

[Repeater-Builder] Icom RC-9500

2007-12-26 Thread tgundo2003
This may bit a bit OT, but If I post on any of the Digital groups I will be flamed by pro-Dstar guys to no end... I was sitting in the library (you know - the one with the brite white shiny furnature?) this morning reading the latest QST and checking out the review on the ICOM RC-9500 communica

Re: [Repeater-Builder] Icom RC-9500

2007-12-26 Thread Jay Urish
Well, maybe not yet.. At least they have a slot for a board.. Maybe they can develop and release one later.. I would hate to think that the only "service monitor" type jig we could get for DStar might be the 9500... tgundo2003 wrote: > > > This may bit a bit OT, but If I post on any of the Dig

Re: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Bill Photinos
Thanks to all who have replied. You have been a great help. Have calculated the harness length for my freqs to be ~15.9" when taking into account the velocity factor of the interconnect cable etc. Believe it or not the original cable on our cans is RG-213 and not RG-214. We are replacing w

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

2007-12-26 Thread MCH
That's nice, but the ARRL does not make the rules, and I can find nothing in Part 97 about AUX frequencies being limited to a single user. There is a saying about opinions and how everyone has one. The ARRL is no different. Joe M. > Paul Plack wrote: > > I'm afraid you've missed the ARRL's poin

[Repeater-Builder] Re: Sinclair Q202G duplexer Conversion

2007-12-26 Thread ldgelectronics
Eric, Being the cheap hams that we are (I am at least), couldn't you just get 5 Tees for a couple bucks a piece and have your favorite two-way shop make up four 12.5 inch cables from RG-214 for about $15 each? Total around $75. I've had cables made in our area for about that price. Obviously,

RE: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Eric Lemmon
Steve, That trick works fine for offsetting the harness tee from the loop assembly in the can, but it doesn't do a thing for increasing the spacing between the tees. The later-design Sinclair Q202-G duplexers come with a one-piece harness that is made up from sections of RG-214/U cable with five

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

2007-12-26 Thread MCH
It's not the 10M radio that is in AUX operation - it's the (2M or higher) frequencies that are dhared by the repeater that are. The statement was that *those* cannot be AUX frequencies since they have multiple users. (a stand that is completely ridiculous) I wonder if this has something to do with

RE: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Eric Lemmon
Bill, I measured the new low-split Sinclair harness before installing it, and found that the distance between the centers of the tees was exactly 14". The length of the loop inside the cavity is about 8.5", and this length must be considered when performing the calculations. My guess is that a di

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread DCFluX
Remeber, there is a big difference between the 4 cavity mobile duplexer and the 6 cavity set. I have obtained 95-100dB of notch with this type of duplexer with a 5 MHz split, but that was the 6 cavity type. The 4 cavity is not worth the powder to blow it to hell. The safe amount of power is 25 wat

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread Ken Arck
At 01:34 AM 12/26/2007, you wrote: We are currently applying for a 7.6Mhz split UHF repeater here which means we will be able to do away with the old and lossy large cavity filters for our old 1.6Mhz split repeater and use a commercial unit. We've already tried a loaned Procom duplexer and the r

[Repeater-Builder] Re: Icom RC-9500

2007-12-26 Thread skipp025
The other fly in the soup is the disabled analog tv display because the mandate for digital tv says a d-tv tuner must be included or no video at all. Got to go outside the US for the analog tv diplay capacity/version. s. > "tgundo2003" <[EMAIL PROTECTED]> wrote: > > This may bit a bit OT, b

Re: [Repeater-Builder] Re: Icom RC-9500

2007-12-26 Thread Jay Urish
Anybody hear of a "mod" to re-enable display of tv signals? I assume you can just hook an RGB display to the back baseband output and watch that way. skipp025 wrote: > > > The other fly in the soup is the disabled analog tv display > because the mandate for digital tv says a d-tv tuner must b

RE: [Repeater-Builder] Re: Sinclair Q202G duplexer Conversion

2007-12-26 Thread Eric Lemmon
Dwayne, You make a good point. Like Bill, I would be reluctant to fork over more than $300 for a cable harness from Sinclair. However, I don't think you can duplicate the Sinclair harness for $75. If I were to make up such a harness myself, I would not use sections of RG-214 with N plugs on eac

Re: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Dave Hough
One question you asked remains; from what points are the lengths of the individual harness components measured? Dave, W7GK Bill Photinos <[EMAIL PROTECTED]> wrote: Thanks to all who have replied. You have been a great help. Have calculated the harness length for my f

RE: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Eric Lemmon
Dave, I'm not sure who your question was directed to, but if it is me, here's my answer: When the Sinclair Q202-G duplexer cable harness is laid out straight, use a Sharpie pen to draw a line on the "back" of each of the five tee connectors that are crimped onto the cable. This mark will be in t

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread no6b
At 12/26/2007 10:00, you wrote: >Remeber, there is a big difference between the 4 cavity mobile duplexer >and the 6 cavity set. I have obtained 95-100dB of notch with this type of >duplexer with a 5 MHz split, but that was the 6 cavity type. The 4 cavity >is not worth the powder to blow it to h

RE: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Dave Hough
Thanks, that helps. Regards, Dave, W7GK Eric Lemmon <[EMAIL PROTECTED]> wrote: Dave, I'm not sure who your question was directed to, but if it is me, here's my answer: When the Sinclair Q202-G duplexer cable harness is laid out straight, use a Sharpie pen to draw a line o

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

2007-12-26 Thread Nate Duehr
On Dec 25, 2007, at 11:41 PM, wd8chl wrote: > Mike Morris WA6ILQ wrote: > >> I wish !!! >> I've got Verizon now (formerly the Great Telephone Experiment) > > Generally Trashy Electronics... "Gosh, Telephones Exist?" -- Nate Duehr [EMAIL PROTECTED]

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

2007-12-26 Thread Nate Duehr
On Dec 25, 2007, at 11:50 AM, Paul Plack wrote: > Keith, we're also stuck with band-planning on other bands which > didn't anticipate the popularity of FM repeaters. 2m is even more > screwed up. Why have only 600 kHz offset, when it could have easily > been double that? Duplexers would hav

[Repeater-Builder] Looking for a couple or 3 Phoenix High Band radios...

2007-12-26 Thread w4wsm
Don't care about TX just need to RX down in the 147 band. The 2 channel will do fine but I can use any of them. If anyone has one or more of these gathering dust they would part with 'cheap!' let me know! Thanks, Ben

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

2007-12-26 Thread Paul Plack
Nate, Where I live, (and every place I have lived,) the 2m band was not crowded with users, only with repeaters. Most repeaters sit idle most of the time, and the more popular machines almost never cool off between 6am and 9pm. There's a waiting list for repeater pairs, but there's never a wait

[Repeater-Builder] Looking to trade Astro Saber 2 for BC-796D Scanner

2007-12-26 Thread Steve
Looking to trade a Motorola Astro Saber II UHF R Band with Antenna , Beltclip , Desk Charger , Pocket Charger , And Battery , for a Uniden BC-796D Scanner with Digital Card . I can Program the Astro Saber Portable for you If Needed . I Will Program HAM Or GMRS/FRS Frequencies , Repeaters and Si

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

2007-12-26 Thread JOHN MACKEY
Here in Portland, Oregon we have group that has about 4-5 two meter repeaters all linked together. They seem to think they need that many repeaters just to cover the metro area. Their repeaters usually have TERRIBLE sounding audio and often have squelching problems. The main person who operates

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread DCFluX
I'm sorry, I meant to say when used as a duplexer, The 4 cavity model is not worth the powder to blow it to hell. I should also point out that the auction in question shows the sawed off model and not the full 1/4 wave length version. A proper mobile duplexer should have cavities 6 to 7" long. I

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

2007-12-26 Thread JOHN MACKEY
NOBODY (including the FCC) cares what the ARRL's stand is They are so far out of reality so often on things like this that few listen. I have a repeater with a 10 meter FM remote base that has been running for nearly 10 years, and many have been doing in LONG before me. I am an OO, and I wo

Re: [Repeater-Builder] Sinclair Q202G duplexer Conversion

2007-12-26 Thread Nate Duehr
On Dec 26, 2007, at 9:48 AM, Bill Photinos wrote: > Nate, > > Where I live, (and every place I have lived,) the 2m band was not > crowded with users, only with repeaters. Most repeaters sit idle > most of the time, and the more popular machines almost never cool > off between 6am and 9pm. >

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread Nate Duehr
On Dec 26, 2007, at 2:31 PM, DCFluX wrote: > Here in Portland, Oregon we have group that has about 4-5 two meter > repeaters > all linked together. They seem to think they need that many > repeaters just to > cover the metro area. Their repeaters usually have TERRIBLE > sounding audio > a

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread JOHN MACKEY
Hi Nate- You are correct, you don't know the situation. There are plenty of systems that provide good metro coverage with 1 or maybe 2 repeaters here in Portland. Simply put, these people don't play nice. They often make their gain by character assination, and have a lengthy record seen by seve

Re: [Repeater-Builder] UHF duplexers and preamps

2007-12-26 Thread Nate Duehr
On Dec 26, 2007, at 5:39 PM, JOHN MACKEY wrote: > Simply put, these people don't play nice. They often make their > gain by > character assination, and have a lengthy record seen by several > people. Too bad we can't vote 'em off the island, eh? :-) > The squelching problem is repeater re

RE: [Repeater-Builder] Looking to trade Astro Saber 2 for BC-796D Scanner

2007-12-26 Thread Butch Kanvick
Hi, Steve. I emailed you a few days ago, indicating that I was interested in the swap. But I need to double check the BC 896D, to mkae sure it is picking up Digital signals, as I do not have any digital signals here, so a friend of mine is going to take it a town that has a digital system and

Re: [Repeater-Builder] Looking to trade Astro Saber 2 for BC-796D Scanner

2007-12-26 Thread kb3fsr
Butch KE7FEL , I did not get that E-mail . this was the First . But I think you mean Ether a 796D Or a 996D . But anyway let me know . Steve efj44. **See AOL's top rated recipes (http://food.aol.com/top-rated-recipes?NCID=aolt

[Repeater-Builder] Re: Stop the Madness

2007-12-26 Thread Paul Plack
Nate, I'll summarize a way-too-long dissertation I bored the list with the other night... (1) Allow would-be repeater-builders to submit joint applications to share a frequency pair by time-of-day, day-of-week, or whatever other scheme they propose. (2) Announce the change in policy, and allow

Re: [Repeater-Builder] Re: Stop the Madness

2007-12-26 Thread MCH
1. Never works 2. Most likely solution. OR, have them help out existing repeater trustees. 3. This usually results in giving priority to the worst repeaters and keeping those that would be better off the air. The best repeaters are usually maintained by one person. Also, define 'shared'. It's not

Re: [Repeater-Builder] Re: Stop the Madness

2007-12-26 Thread Paul Plack
Joe, You say (1) "never works"...where has it been tried? I'm proposing sharing frequency pairs, not sharing hardware. You want to build a repeater, so do I, so we work out a plan to let yours use the frequency weekdays 6am-6pm, mine nights and weekends, with terms we include in the applicatio

Re: [Repeater-Builder] Re: Stop the Madness

2007-12-26 Thread Nate Duehr
On Dec 26, 2007, at 10:44 PM, Paul Plack wrote: > Joe, > > You say (1) "never works"...where has it been tried? > > I'm proposing sharing frequency pairs, not sharing hardware. You > want to build a repeater, so do I, so we work out a plan to let > yours use the frequency weekdays 6am-6pm, mi

Re: [Repeater-Builder] Re: Stop the Madness

2007-12-26 Thread MCH
Threaded... Nate Duehr wrote: > > On Dec 26, 2007, at 10:44 PM, Paul Plack wrote: > > > Joe, > > > > You say (1) "never works"...where has it been tried? The FCC has imposed exactly the same thing on two repeaters that tried to share a frequency but where there was mutual interference. It's nev