Re: [Re: [Repeater-Builder] SWR between radio and duplexer]

Usually, a 110W transmitter running at 50w will draw MORE current & produce MORE heat than a similar model 50w transmitter running 50w. This usually is because of the additional transistors for the 100w model Adi Linden <[EMAIL PROTECTED]> wrote: SNIP > BTW, the reason for choosing the 110W radi

Re: [Repeater-Builder] Can some one please help?

A hamfest or the electronic style in the comfort of your armchair - Ebay? Mike wrote: > > I am looking for instuctions and details on which radios that I could > tie together use a controller for a UHF repeater? (Prefer kenwoods) > Maybe some 805 or 809? Also, I would like to know the value of th

Re: [Repeater-Builder] Repeater TVI Problem

I thought it was 2500 watts, I guess I will have to scale down my vhf/uhf contesting amplifier, maybe those 8877s will last a long time now. [EMAIL PROTECTED] wrote: > Snip>> I can transmit with 1500 watts > out, legally. We were both polite to each other - never in a pushing > match of any kind.

Re: [Repeater-Builder] Mastr II UHF audio adjustment

Those are deviation and ctcss levels, they won't help a 'bassy' sounding repeater. What you need to do is follow the audio lines in and out to see what components and where the de-emphasis was made, compare the values you have to the repeater builder web site audio recomendations to get the level i

Re: [Repeater-Builder] DB 212 6m repeater antenna null

You will need about 4 more 100 foot towers to get the seperation to aquire 100db isolation - I use 8 of these antennas on a split site repeater, the null changes depending on other hardware on the tower - the pattern comes from each side 25 percent and 50 percent from the front - keep each antenna

Re: [Repeater-Builder] Can some one please help?

Hi Mike Where are yopu located? Terry   - Original Message - From: Mike To: Repeater-Builder@yahoogroups.com Sent: Sunday, January 04, 2004 10:12 AM Subject: [Repeater-Builder] Can some one please help? I am looking for instuctions and details on which

RE: [Repeater-Builder] Info on Cook towers.

Do they have a website? Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

Re: [Repeater-Builder] Info on Cook towers.

Russ, You sure helped me !! I didn't know they sold that stuff down there. I am in Trenton, NJ just 58 miles north of Glassboro. Beats driving to Asonia, Ct for a Super StationMaster tied on roof rack of suburban, which I've done more than once. Thanks, Gary K2UQ Yahoo! Groups Link

Re: [Repeater-Builder] Re: SWR between radio and duplexer

Neil, Thanks for suggestion. Tried couple different ways. Wife must of talked to them and said don't let me bring up their web site or else. Would like to get one of those Z-matchers. Anyone got one for sale or info on proper construction? Gary K2UQ Yahoo! Groups Links To visit you

Re: [Repeater-Builder] Info on Cook towers.

what model Kenwood?  and your cost? thanks  John     - Original Message - From: Russ Stafford To: Repeater-Builder@yahoogroups.com Sent: Sunday, January 04, 2004 2:40 PM Subject: [Repeater-Builder] Info on Cook towers.     Hello All, Here is the inf

RE: [Repeater-Builder] Re: SWR between radio and duplexer

Working for me. I will email it directly to you... Corey N3FE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Sunday, January 04, 2004 11:35 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: SWR between radio and duplexer In a messa

Re: [Repeater-Builder] Re: SWR between radio and duplexer

Came up fine for me. I recently picked up a (another) Micor High Band station and it came with this little grey box with RF connectors on each end. After looking at the web site below, I now know what the little grey box is. Thank you someone, Neil - WA6KLA [EMAIL PROTE

RE: [Repeater-Builder] Re: SWR between radio and duplexer

Just go to the emr website and surf from there. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: January 04, 2004 20:35 To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: SWR between radio and duplexer In a message dated 1/4/2004 8:54:52 PM

Re: [Repeater-Builder] Re: SWR between radio and duplexer

In a message dated 1/4/2004 8:54:52 PM Eastern Standard Time, [EMAIL PROTECTED] writes: << http://www.emrcorp.com/catalog/FullLine/HARDWARE/accessories/HW_FILT_LINEMATCH_LOAD.pdf >> Cannot bring up site. Says web site not responding. Yahoo! Groups Links To visit your group on the web, g

Re: [Repeater-Builder] SWR between radio and duplexer

Hi Eric, I've read about the issue with turning down a 110 Watt PS in many places. All it always mentions is possible spurious emissions. The fact that the output impedance changes never occured to me. That certainly could explain what I have been experiencing. I did check the output of the tra

Re: [Repeater-Builder] SWR between radio and duplexer

hi guys would anyone know who sells impedance matchers in australia Thank you Ian Wells Kerinvale Comaudio mail service 1017, Biloela,4715. www.kerinvalecomaudio.com.au [EMAIL PROTECTED] - Original Message - From: "Eric Lemmon" <[EMAIL PROTECTED]> To: Sent: Monday, January 05, 2004 11:43 A

Re: [Repeater-Builder] SWR between radio and duplexer

Adi, It seems that your "problems" began when you changed the output power of the radio. As has been mentioned many times in this and other threads, the output impedance of MOST solid-state PAs will change radically when the drive level is not at the factory-specified value. So, yes- you have an

Re: [Repeater-Builder] To tune into a dummy load or the antenna...

Adi Did you consider the fact that your dummy load might have departed from 50 Ohms resistive? I have seen several dummy loads that read 100 ohms or more. Seventy ohms is very common. This is even for some high priced Bird loads. You can check a dummy with a good digital multimeter. A good d

[Repeater-Builder] motorola parts @n4tze.com

I have and will be listing more orginal Motorola component parts at n4tze.com Just click on "Stuff For Sale." Thank you. Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ To unsubscribe from this group, send an email to: [EMAIL

[Repeater-Builder] Re: LMR-195 as interconnect cables for repeater

Sorry, RG400 is 4.5DB/100' loss at 100Mhz Not 10.5db. 10.5 DB is for 400Mhz 73 AC0Y --- In Repeater-Builder@yahoogroups.com, "uplink28" <[EMAIL PROTECTED]> wrote: > I've been looking at LMR-195 to use as a substitute to RG-142/U for > interconnect cables in the repeater system. It's less lossi

[Repeater-Builder] Info on Cook towers.

    Hello All, Here is the info on Cook Towers World Wide, INC Marietta GA. 770-423-7553 Glassboro NJ 856-881-6777 Philly. PA 610-631-3447 Toll free 877-992-2665 e-mail [EMAIL PROTECTED]   We bought the following from them. for two meters an RFS PD-200 it is under 20' and will mount to a Rohn

Re: [Repeater-Builder] Building first repeater

All very good points. One thing a lot of hams forget is that it MUST ID. It is a repeater. I have a TM-742 in my SUV and it gets used to extend the range of my HT.(cross band) It ID's I hooked up a Comm Spec cw ider. Would I use this as a full repeater? NO WAY! Get an old Master 2 or something and

Re: [Repeater-Builder] SWR between radio and duplexer

There's still something weird happening with my radio, antenna, duplexer arrangement. I used to run a simplex IRLP node using a Yaesu FT-2200. It produced about 45W into the antenna. SWR was perfect, no registered reflected power. Same was true if I used a dummy load instead of the antenna, sa

Re: [Repeater-Builder] Re: SWR between radio and duplexer

At 01:02 AM 1/5/04 +, you wrote: >--- In Repeater-Builder@yahoogroups.com, Adi Linden <[EMAIL PROTECTED]> wrote: >"...Where would I be able to find a "Z-Matcher" or how could I build >one?" > > > >

Re: [Repeater-Builder] SWR between radio and duplexer

Adi, Both TESSCO and Talley Communications sell impedance matchers. The ones made by EMR (www.emrcorp.com) and by Telewave (www.telewave.com) are similar in construction, performance, and price (about US$70.) Very important! When tuning an impedance matcher, the wattmeter is inserted between th

[Repeater-Builder] Re: SWR between radio and duplexer

--- In Repeater-Builder@yahoogroups.com, Adi Linden <[EMAIL PROTECTED]> wrote: "...Where would I be able to find a "Z-Matcher" or how could I build one?" http://www.emrcorp.com/catalog/FullLine/HARDWARE/accessories/HW_FILT_L IN

Re: [Repeater-Builder] SWR between radio and duplexer

Hi Eric, Where would I be able to find a "Z-Matcher" or how could I build one? I think I mentioned it before, this repeater is permanently located at my office and meant for eperimenting. So this is the perfect place to learn. Playing with different cable lengths is an interesting idea. How wou

Re: [Repeater-Builder] Can some one please help?

These values can vary, but in my opinion they are as follows:   Low band Mitrek $0 - $30 VHF band  Mocom $0 - $10 Motorola siren $0 - $25   Probably not what you were hoping for, but this equipment is pretty easy to come by just for the asking.   Chuck WB2EDV     - Original Message --

Re: [Repeater-Builder] Building first repeater

Rizki, It wasn't hard. I used two Siemens 75-watt solar panels, two Challenger 105 AH solar SLA batteries, and a SunWize-Steca Sigma charge controller. The batteries, charge controller, and the R1225 radio are inside a stainless steel Hoffman box that is bolted to a very heavy triangular frame t

RE: [Repeater-Builder] 2m VHF antenna needed

> Bill, > > The obvious suggestion is: Not another Hustler G-7! It is a mediocre > performer in duplex service, even when new, and its relatively fragile > construction is not appropriate for hilltop repeaters. > > One of the best antennas for 2m repeater service is the RFS / Celwave > (formerl

Re: [Repeater-Builder] 2m VHF antenna needed

Bill, The obvious suggestion is: Not another Hustler G-7! It is a mediocre performer in duplex service, even when new, and its relatively fragile construction is not appropriate for hilltop repeaters. One of the best antennas for 2m repeater service is the RFS / Celwave (formerly Phelps-Dodge)

RE: [Repeater-Builder] Building first repeater

Interesting. How did you setup the solar powered repeater to be reliable? Any more suggestion on Repeater other than Motorola? Thanks -Original Message- From: Eric Lemmon [mailto:[EMAIL PROTECTED] Sent: 05 Januari 2004 1:59 To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Bu

Re: [Repeater-Builder] SWR between radio and duplexer

Adi, It should be, but often is not. When you insert an instrument between the transmitter and the duplexer, you are increasing the length of the interconnecting cable and thus are influencing the measurement. This topic was given exhaustive coverage under a previous topic, "Impedance Matching o

[Repeater-Builder] Subject: Re: To tune into a dummy load or the antenna...

Thanks for the reply Adi, Like I said before...I have seen this done both ways. I know I have seen the text on tuning with the dummy load connected to t

Re: [Repeater-Builder] Building first repeater

I strongly recommend that you proceed very cautiously along this path. Amateur-grade radios seldom have the quality, stability, and robust design needed in a repeater. The CTCSS tone encode deviation is frequently far too high, and is almost never adjustable. Every dual-band rig I have seen need

[Repeater-Builder] Can some one please help?

I am looking for instuctions and details on which radios that I could tie together use a controller for a UHF repeater? (Prefer kenwoods) Maybe some 805 or 809? Also, I would like to know the value of the radios I do have, they are: 1 Mitrek low band, 1 Mocom 70 VHF, and 1 Motorola siren, all wi

[Repeater-Builder] Re: LMR-195 as interconnect cables for repeater

RG400 Works OK IT has about 10db/100 loss @100Mhz and Prop is 69.5% very important. 73 AC0Y --- In Repeater-Builder@yahoogroups.com, "uplink28" <[EMAIL PROTECTED]> wrote: > I've been looking at LMR-195 to use as a substitute to RG-142/U for > interconnect cables in the repeater system. It's les

[Repeater-Builder] Re: DB Products Duplexer Conversion

Thanks Jeff, I have the 8 page write up from DB Products. I just wanted to know If anyone had done it and gotten it to work as a duplexer. --- In Repeater-Builder@yahoogroups.com, "Jeffrey Crowell" <[EMAIL PROTECTED]> wrote: > Acoy: > > I have the information on the DB 40/48 for ham band. > I

Re: [Repeater-Builder] Motorola idenity

fish_497072000 wrote: > > Hi- See a strange Moto desk model on E-bay this morning. Model # > L53BBB-1190BM. Havn't been able to find out what model/it fits > into .Any one have an idea?? TKS,Jerry W8KQ Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/grou

Re: [Repeater-Builder] Motorola idenity

Hit the send button early before. Sorry. L - Desktop 5 - 60W 3 - 136-174 MHz (not the entire split) BB - Mocom 70 based B - 120VAC 1 - CSQ 1 - 5 kHz narrowband 9 - T4-R4 0 - Controls (not sure exactly) B - Rev. B M - Mic Included Joe M. fish_497072000 wrote: > > Hi- See a strange Moto desk mo

Re: [Repeater-Builder] Motorola idenity

60 watt, 150 MHz range table top base station, is carrier squelch (no PL) and factory wired 4 frequency. The RF package is a Mocom-70 Series. Neil - WA6KLA fish_497072000 wrote: > > Hi- See a strange Moto desk model on E-bay this morning. Model # > L53BBB-1190BM. Havn't been able t

Re: [Repeater-Builder] Repeater TVI Problem

OK folks here is the latest outcome. The cable guy came yesterday to see what the problem was. After some time, he told my neighbor that it was his problem. The tuner of his tv was receiving my 2 meter link radio. He then came to my QTH and wanted to do some testing. I said by all means come on

[Repeater-Builder] Motorola idenity

Hi- See a strange Moto desk model on E-bay this morning. Model # L53BBB-1190BM. Havn't been able to find out what model/it fits into .Any one have an idea?? TKS,Jerry W8KQ Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ To unsub

Re: [Repeater-Builder] Mastr II UHF audio adjustment

There are two pots on the UHF exciter. With the drop down drawer open looking from the front,the right hand one is audio deviation and the left hand one is CTCSS deviation. These controls will not help with your bassy audio problem. Which audio card(s) are you using? 73,Lee,N3APP - Original Mes

Re: [Repeater-Builder] DB Products Duplexer Conversion

Acoy: I have the information on the DB 40/48 for ham band. I cut the loops on mine and soutered pieces in it and it worked perfect. Send me a address and I will send you the information or call me at (706) 769-9141. Thanks, Jeff Crowell KD4AOZ - Original Message - From: "ac0y5" <[EMAIL P

[Repeater-Builder] Mastr II UHF audio adjustment

greetings everyone. i have a mastr II uhf repeater (not a mobile) that i just had retuned from the public safety band down into the amateur band. the audio seems a little 'bassy', and the level seems a bit low. anyone know how to adjust the audio controls on the exciter? i see a couple of pots

Re: [Repeater-Builder] 2m VHF antenna needed

Hello All, You should go with a nice comm ant. From DB products or RFS who now makes the Station master. Stay away from the Ham grade stuff. If you get QST or world radio. Cook Tower has an add in both in the ham adds in the back and they will give a discount to Hams for repeater stuff. It also lis

Re: [Repeater-Builder] DB 212 6m repeater antenna null

In a catalog from Kathrein antennas products,you expect to have these isolation between 2 dipoles in vertical space and in vertical polarisation : 30 dB with 1 Lambda,42 dB with 1,5 L,52 dB with 2,3 L. It seems that you 'll get more isolation with one antenna in -45° and the other with +45° but wit

Re: [Repeater-Builder] Off topic questions

Hello All, Do we really need so much "OFF TOPIC QUESTIONS"? I just fills up our mail boxes! 73 Russ, W3CH Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Yo

[Repeater-Builder] DB 212 6m repeater antenna null

I have two DB 212 (folded dipole) antennas that I have tuned for a 6m repeater project. I would like to use one for RECEIVE and one for TRANSMIT. Where does a null occur directly under one of these antennas? I want to place them so that the isolation is best at 51.2 MHz, but as high as possible

[Repeater-Builder] Building first repeater

Hi, i am thingking of building repeater for cheap. Can mobile radio with cross band repeating capability with 50W of Tx power can be used instead of using dedicated repeater controller? I am thingking of Yaesu FT8800R. How high the tower should be? i want the coverage at least 20-30miles. the a

[Repeater-Builder] VHF mitrek tune-up instructions

Does anyone have a scanned (or text) copy of the tune-up procedures for the high-band VHF mitreks? There seem to be a lot of pages dedicated to converting them to repeater service, and one nice diagram and instructions for tuning the UHF models, but I can find no documentation on the net for tunin

[Repeater-Builder] 2m VHF antenna needed

Our current repeater antenna, a Hustler G-7 has broken at one of the joints. We need to replace this antenna. I would appreciate suggestions on what to consider to replace the G- 7. The antenna must be bout the same length etc as the G-7. I appreciate all suggestions 73 Bill Yahoo! G

Re: [Repeater-Builder] Off topic questions

Yea, true. You have it right there ... so carefully put ... Neil Ken Arck wrote: > > At 10:28 PM 1/3/2004 -0800, you wrote: > > > > Ok, I will bring it just for you ... will you have power at your > > booth? > > >