[Repeater-Builder] Re: db comparisons
Charles, I agree. I was thinking more of base to mobile operation. Just for fun, I ran some numbers in Radio Mobile with parameters from a real system that I am familiar with on 2M. I varied antenna HAAT and transmitter power to determine changes in coverage area and radius. The numbers with * are the real system. I hope this table survives the posting process and is still readable... If not I'll post in another format. Numbers have been rounded... Ant. HAAT MCoverage sq miCoverage radius mi 110 743127 55* 523523 27 338818 13 235015 Tx output WCoverage sq miCoverage radius mi 400 729027 100*523523 25 341118 6.25211514 Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Charles Miller ham- [EMAIL PROTECTED] wrote: Larry, Doubling the antenna height does not always increase the gain. It does help in most cases but if the antenna's are line of sight it makes little or no difference. Charles Miller WD5EEH - Original Message - From: Laryn Lohman [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Saturday, August 28, 2004 2:34 PM Subject: [Repeater-Builder] Re: db comparisons --- In Repeater-Builder@yahoogroups.com, mch [EMAIL PROTECTED] wrote: You can gain 3dB by either doubling your power (or ERP), or by doubling the antenna height. Actually, doubling antenna height is usually close to 6db gain. Laryn K8TVZ Yahoo! Groups Links 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] Re: db comparisons
Spacing looks fine on both posts here, but I have HTML turned off on Yahoo. Joe M. Laryn Lohman wrote: Ouch, the spacing between numbers disappeared :( I hope y'all can figure it out. Stretch the numbers out to form three columns under the headings. Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Laryn Lohman [EMAIL PROTECTED] wrote: Charles, I agree. I was thinking more of base to mobile operation. Just for fun, I ran some numbers in Radio Mobile with parameters from a real system that I am familiar with on 2M. I varied antenna HAAT and transmitter power to determine changes in coverage area and radius. The numbers with * are the real system. I hope this table survives the posting process and is still readable... If not I'll post in another format. Numbers have been rounded... Ant. HAAT MCoverage sq miCoverage radius mi 110 743127 55* 523523 27 338818 13 235015 Tx output WCoverage sq miCoverage radius mi 400 729027 100*523523 25 341118 6.25211514 Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Charles Miller ham- [EMAIL PROTECTED] wrote: Larry, Doubling the antenna height does not always increase the gain. It does help in most cases but if the antenna's are line of sight it makes little or no difference. Charles Miller WD5EEH - Original Message - From: Laryn Lohman [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Saturday, August 28, 2004 2:34 PM Subject: [Repeater-Builder] Re: db comparisons --- In Repeater-Builder@yahoogroups.com, mch [EMAIL PROTECTED] wrote: You can gain 3dB by either doubling your power (or ERP), or by doubling the antenna height. Actually, doubling antenna height is usually close to 6db gain. Laryn K8TVZ Yahoo! Groups Links Yahoo! Groups Links 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/
[Repeater-Builder] WTD: Icom RP-1220 Service Manual
Hello, I am looking for a copy of the ICOM RP-1220 service manual. If someone can help me out it would be appreciated. I have an intermittent power output. It only keys up at 10 watts occasionally and most the time power output is at 1.5 watts. Can't seem to isolate the problemto a poor connection. Sincerely, Mike N6KYD 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 the Yahoo! Terms of Service.
[Repeater-Builder] 68hc11 repeater design
Group, I am looking for a repeater application that runs on the 68hc11 microprocessor. Can anyone advise further? Thanks, Howard, N3FEL Bensalem, PA USA 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/
[Repeater-Builder] New / used repeater for TA2KT
Dear Sirs, We are a Emergency Radio Amateur Club based in Istanbul... We need urgently a repeater for our club... The frq must be 145.787,5 -600 88.5 Ton. These are the spec taht we need but a repeater for 2 meters will be enough for us.. Can you pls inform us about the availabilies and the prices... The repeater can be a used one also... We have the possibiliy to repair it... Hoope to hear you soon.. Best regards Urcun CANEL TA0U Do you Yahoo!? Express yourself with Y! Messenger! Free. Download now. 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 the Yahoo! Terms of Service.
[Repeater-Builder] Re: db comparisons
Ouch, the spacing between numbers disappeared :( I hope y'all can figure it out. Stretch the numbers out to form three columns under the headings. Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Laryn Lohman [EMAIL PROTECTED] wrote: Charles, I agree. I was thinking more of base to mobile operation. Just for fun, I ran some numbers in Radio Mobile with parameters from a real system that I am familiar with on 2M. I varied antenna HAAT and transmitter power to determine changes in coverage area and radius. The numbers with * are the real system. I hope this table survives the posting process and is still readable... If not I'll post in another format. Numbers have been rounded... Ant. HAAT MCoverage sq miCoverage radius mi 110 743127 55* 523523 27 338818 13 235015 Tx output WCoverage sq miCoverage radius mi 400 729027 100*523523 25 341118 6.25211514 Laryn K8TVZ --- In Repeater-Builder@yahoogroups.com, Charles Miller ham- [EMAIL PROTECTED] wrote: Larry, Doubling the antenna height does not always increase the gain. It does help in most cases but if the antenna's are line of sight it makes little or no difference. Charles Miller WD5EEH - Original Message - From: Laryn Lohman [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Saturday, August 28, 2004 2:34 PM Subject: [Repeater-Builder] Re: db comparisons --- In Repeater-Builder@yahoogroups.com, mch [EMAIL PROTECTED] wrote: You can gain 3dB by either doubling your power (or ERP), or by doubling the antenna height. Actually, doubling antenna height is usually close to 6db gain. Laryn K8TVZ Yahoo! Groups Links 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/
[Repeater-Builder] Motorola R2001 DC Cable pin outs
Hi Guys Can you help with the pin out of the 12v DC socket on the rear of the test set I am putting test set on a truck for the bush ASAP. Cheers Brett 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] Re: motrac base station conversion to repeater
Hello ... You mentioned in an earlier e-mail the model number C53MHB-3100BR - I am looking at the manual, Motorola Part number 68P81005E75. Matt wrote: If it's possible to do this conversion and I end up doing it, this repeater won't see that much usage compared to a lot of other ham repeaters...it's just for a small group of people who I don't think will abuse it *too* much...but anyway, here's what I found in looking at it again: TKN6413A - on one of the wire bundle connectors going from power supply to exciter ... Part number of the cable assembly in the power supply. PT7 - red, stamped on power supply near bottom Possibly an inspection stamp? TLN8847A1 - on small circuit board on back side of power supply The Private-Line Oscillator Delay (Encoder) Circuit Board. 25D84561A01 and 5247338 - on the larger of the two black transformers The main power supply transformer part number. The 524 is the manufacturer number (who made it for Motorola) ... the 7338 is the year (1973) and week (38th) the transformer was manufactured. 27E83972GQ5 - on upper part of power supply, on side of chassis 27E ... is a chassis part number. Power Supply Model Number is most likely TPN1068AC Transmitter Model Number is most likely TTD1673AA Receiver Model Number is most likely TRD1742AA Hopefully, out of those numbers, at least one of them is meaningful and provides the info you need. I'll look forward to your reply. Thanks, Matt Continuing ... There are two other specific models of the somewhat similar radio: C53MHX at 55 watts output - C63MHX at 85 watts output - C73MHX at 100 watts output - All three are Compa-Station Base Radio, Continuous Duty C73MHY at 100 watts output - Compa-Station Repeater RT Both use the same power supply TPN1073AA and the 24D84948A01 Main Transformer Pictures in both manuals shows a blower assembly attached to the transmitter heat sink. The part number of the C5/6/73MHX Manual is 68P81008E60 / 10/24/69 The part number of the C73MHY Manual is 68P81008E65 / 10/24/69 --- In Repeater-Builder@yahoogroups.com, Neil McKie [EMAIL PROTECTED] wrote: Before you get too far into this, please note Motorola made three versions of the power supply you may be currently looking at. Most likely, the power supply you have there is the intermittent duty version. The part number of the power transformer and/or the power supply model number will tell you for certain. Intermittent duty is a 20-25% transmit / 75-80% receive ... meaning the power supply won't survive when used as the so-called typical ham radio repeater - where close to a 100% transmit duty cycle should be expected. Please post the power supply model numbers (all you can locate - rubber stamped on the chassis) and the power transformer part number too if possible. Hope this helps, BTW, I have the manuals on all three power supply chassis'. Neil - WA6KLA Matt wrote: Hi. I was given a Motorola Motrac base station...it's model # C53MHB-3100BR, and comes in the short cabinet, with card cage, etc. I was looking at it earlier today and see that there's a place for a Squelch Gate card and Tone Decoder card in the card cage, as well as a spot in the bottom of the unit where it looks like a second SO- 239 connector could be mounted. There are also separate cables running to the bottom of the cabinet from the TX and RX sections. This leads me to believe that this unit was made with the potential for conversion to a repeater station. My theory is that I could stick in one of my extra Squelch Gate cards, make two separate connectors for TX and RX, and do something to make the receiver stay active while the TX is running, and it should work. Has anyone done this before? Any suggestions, advice, notes, etc? Thanks, Matt 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] SS-32/5K/Micor
Hi Kevin, I am installing a Comm Spec SS-32 encoder in a Micorrepeater. I am using a logic output from an S-Com 5Kcontroller to key the ground connection to the encoderwhenever the RX COR is active. I need to do this tobe able to link into another system.My problem is when ever the encoder is keyed orunkeyed, it causes the TX to drift off frequency about+/- 900Hz. It apears that this is being casued by a capcharging/discharging. I have tried several differenttone insertion points, always with the same result. I haven't seen many responses, so I'll toss out some suggestions. There is probably a DC bias on the Micor side of the audio connection. The SS-32 has a 1 uF polarized cap in series with the tone output withits "+" side toward the SS-32. When the SS-32 has its ground connection floating, the cap probably sees 12V on the SS-32 side and some other (lower) voltage on the Micor side. When the SS-32 is operating, the voltage on the SS-32 side of the cap may be lower than the Micor side.If the cap operatesreversed biased, it can leak or short, causing wierd problems. You could try a 1 uF nonpolarized cap in series with the tone lead to see if that's the case. If that wasn't the problem, andif you have plenty of CTCSS level coming from the SS-32 and can afford to lose some, use a smaller nonpolarized cap (say, 0.1 uF) in series. The lower value will attenuate the level, but may also reduce the drift effect you're seeing. 73, Bob, WA9FBO 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 the Yahoo! Terms of Service.
[Repeater-Builder] Re: SS-32/5K/Micor
Use a series resister AND a 1 uF non polorized cap in series with the PL tone going to the Micor. Try to use the same point in the Micor that the factory used. May be the way you are keying the encoder, the Micor exciter will respond to DC shifts as a frequency shift. 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/
[Repeater-Builder] BIG Yard Sale
There is a big yard sale on Sept 4 th and 5th, Lots of Motorola sruff.. P200's NIB !!! VHF and UHF/charger! STX spkr/mic, Expo rapid charger.. Portables, and lots of parts. SpectraTac Receivers. Zetron M 45 patch, VHF Stationmaster antennas, Benifit for San Gabriel Valley USAR Team, (A 501.C non profit corp.) Donations of equipment or trades accepted at the sale. dwleeper AT hotmail com 3133 San Leon in El Monte, CA just off the I10 at Peck road, 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/
[Repeater-Builder] message error
Hi guys .I am sorry i haven't returned any messages as my internet email sever has stuffed up and i haven't received any messages for 2 days or more .it is just i checked up on the builder website to see the messages i have missed.Thanks to all that replied .The db comparrison is being asked as i have 6db antennas on each of my 470meg repeaters and they aren't getting any real distance over flat country .we had 12 db coaxial antennas on our local uhf repeater and then changed them to what was called coppercore antenas and we made a huge difference to our long distance coverage .The range of the 6db isn't bad but we wanted to pick up another 20-50kms at least and installing linears on the site wont benifit as it wont improve rx range without rx masthead amps so the better sugestion was to install higher gain antenas .the sites would be able to be upgraded to 12 db antenas if we can find a supplier .the highest we have found is 9db . but i will certainly take all sugestions into consideration.thank you Thank you Ian Wells Kerinvale Comaudio mail service 1017, Biloela,4715. www.kerinvalecomaudio.com.au 1-email- [EMAIL PROTECTED] 2-email- [EMAIL PROTECTED] 3-email- [EMAIL PROTECTED] 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/
[Repeater-Builder] Propogation Prediction
There are some very high quality computer propagation predicting computer programs available that use USGS data maps. However these are expensive and only the companies that are into coverage predicting in a commercial way can afford them. But they are good. The first paper on VHF and UHF Propagation predicting that I became aware of was written by an engineer at GE Mobile Radio Department in 1962. It was well circulated and included in their Data File as a Bulletin 10003-1 (Abstract: This bulletin is provided for calculating the coverage which a certain VHF and UHF transmitter will provide or for calculating the power which a transmitter must have to cover a certain area. Such factors as path clearance, transmission line losses, antenna gains, and reliability are all taken into account for paths as long as 1000 miles). It is written for the knowledgeable technician and engineer. The charts and curves contained in this work were the basis for most all future computer propagation predicting programs of the 80's. For the radio shops and limited users this was a life saver. Also, a slide rule type prediction calculator (Range and Transmitter Power Calculator) was designed for the mobile radio sales people to use. These were such good tools that most manufactures and sales people in the 60's and 70's highly valued there use, even "M's" sales people would carry one in their brief cases. I doubt you could find the slide rule calculator now unless someone hoarded a bunch of them. The Datafile Bulletin 10003-1 dated July 1962 could be copied from some of the old timers in the industry. It could be of great benefit to answer some of the recent questions that have been on the Repeater-Builder mail. Sorry I do not have any extras. Maybe someone has some that could be scanned and posted. Fred 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 the Yahoo! Terms of Service.
Re: [Repeater-Builder] SS-32/5K/Micor
Thanks for your thoughts Bob. I have managed to minimize the problem by doing as you suggested - I put a .1 uF cap and a 27K resistor is series with the tone output of the SS-32. The frequency still drifts when the tone is keyed and unkeyed, but now only about 50-60 Hz. I think that this is acceptable. 73, Kevin, K9HX At 10:16 PM 8/29/2004 -0400, you wrote: Hi Kevin, I am installing a Comm Spec SS-32 encoder in a Micor repeater. I am using a logic output from an S-Com 5K controller to key the ground connection to the encoder whenever the RX COR is active. I need to do this to be able to link into another system. My problem is when ever the encoder is keyed or unkeyed, it causes the TX to drift off frequency about +/- 900Hz. It apears that this is being casued by a cap charging/discharging. I have tried several different tone insertion points, always with the same result. I haven't seen many responses, so I'll toss out some suggestions. There is probably a DC bias on the Micor side of the audio connection. The SS-32 has a 1 uF polarized cap in series with the tone output with its + side toward the SS-32. When the SS-32 has its ground connection floating, the cap probably sees 12V on the SS-32 side and some other (lower) voltage on the Micor side. When the SS-32 is operating, the voltage on the SS-32 side of the cap may be lower than the Micor side. If the cap operates reversed biased, it can leak or short, causing wierd problems. You could try a 1 uF nonpolarized cap in series with the tone lead to see if that's the case. If that wasn't the problem, and if you have plenty of CTCSS level coming from the SS-32 and can afford to lose some, use a smaller nonpolarized cap (say, 0.1 uF) in series. The lower value will attenuate the level, but may also reduce the drift effect you're seeing. 73, Bob, WA9FBO 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 the Yahoo! Terms of Service. 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 the Yahoo! Terms of Service.
Re: [Repeater-Builder] BIG Yard Sale
DANG! Thats a long walk from West Virginia!!! Big Grin motarolla_doctor wrote: There is a big yard sale on Sept 4 th and 5th, Lots of Motorola sruff.. P200's NIB !!! VHF and UHF/charger! STX spkr/mic, Expo rapid charger.. Portables, and lots of parts. SpectraTac Receivers. Zetron M 45 patch, VHF Stationmaster antennas, Benifit for San Gabriel Valley USAR Team, (A 501.C non profit corp.) Donations of equipment or trades accepted at the sale. dwleeper AT hotmail com 3133 San Leon in El Monte, CA just off the I10 at Peck road, 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/
[Repeater-Builder] Re: Propogation Prediction
You could use my free path analysis tool, rfProfiler-Light, to predict the path loss in various directions from your transmitter site. http://www.rfsoftware.com/rfpl/downloads.shtml It is not as slick as the expensive programs, but what do you want for free! Joe, N2UF --- In Repeater-Builder@yahoogroups.com, Fred Seamans [EMAIL PROTECTED] wrote: There are some very high quality computer propagation predicting computer programs available that use USGS data maps. However these are expensive and only the companies that are into coverage predicting in a commercial way can afford them. But they are good. The first paper on VHF and UHF Propagation predicting that I became aware of was written by an engineer at GE Mobile Radio Department in 1962. It was well circulated and included in their Data File as a Bulletin 10003-1 (Abstract: This bulletin is provided for calculating the coverage which a certain VHF and UHF transmitter will provide or for calculating the power which a transmitter must have to cover a certain area. Such factors as path clearance, transmission line losses, antenna gains, and reliability are all taken into account for paths as long as 1000 miles). It is written for the knowledgeable technician and engineer. The charts and curves contained in this work were the basis for most all future computer propagation predicting programs of the 80's. For the radio shops and limited users this was a life saver. Also, a slide rule type prediction calculator (Range and Transmitter Power Calculator) was designed for the mobile radio sales people to use. These were such good tools that most manufactures and sales people in the 60's and 70's highly valued there use, even M's sales people would carry one in their brief cases. I doubt you could find the slide rule calculator now unless someone hoarded a bunch of them. The Datafile Bulletin 10003-1 dated July 1962 could be copied from some of the old timers in the industry. It could be of great benefit to answer some of the recent questions that have been on the Repeater-Builder mail. Sorry I do not have any extras. Maybe someone has some that could be scanned and posted. Fred 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] message error
Don't assume that antenna gain is the only thing that effects range. Antenna height, size and length of feedline, quality of antenna and how it is mounted and duplexer quality and tuning all effect range as well as transmitter power and overall receiver sensitivity. High RF enviroments can also degrade receiver performance. Take a look at your repeater as a system, looking at the quality of all of the devices as well as the quality of the installation. One poorly installed connector can eliminate all the bennifits from everything else being correct. Paul, kb0wlc --- ian wells [EMAIL PROTECTED] wrote: Hi guys .I am sorry i haven't returned any messages as my internet email sever has stuffed up and i haven't received any messages for 2 days or more .it is just i checked up on the builder website to see the messages i have missed.Thanks to all that replied .The db comparrison is being asked as i have 6db antennas on each of my 470meg repeaters and they aren't getting any real distance over flat country .we had 12 db coaxial antennas on our local uhf repeater and then changed them to what was called coppercore antenas and we made a huge difference to our long distance coverage .The range of the 6db isn't bad but we wanted to pick up another 20-50kms at least and installing linears on the site wont benifit as it wont improve rx range without rx masthead amps so the better sugestion was to install higher gain antenas .the sites would be able to be upgraded to 12 db antenas if we can find a supplier .the highest we have found is 9db . but i will certainly take all sugestions into consideration.thank you Thank you Ian Wells Kerinvale Comaudio mail service 1017, Biloela,4715. www.kerinvalecomaudio.com.au 1-email- [EMAIL PROTECTED] 2-email- [EMAIL PROTECTED] 3-email- [EMAIL PROTECTED] Yahoo! Groups Links [EMAIL PROTECTED] __ Do you Yahoo!? New and Improved Yahoo! Mail - Send 10MB messages! http://promotions.yahoo.com/new_mail 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] RC-96 EEPROM
On Mon, 30 Aug 2004 08:11:25 -0500, Bryon Jeffers K0BSJ wrote: I attempted to get the binary info out of my U30 and found it was blank. Seems I'm having the same problem here as well Bryon. Does the controller boot normally with that eeprom in place? I have verified that the eprom programmer works on all the other eproms I check this weekend I'm starting to think that the 6264 is slightly different from a standard 2864, but the 2864 works in it's place?? This was a private email to me, so I hope you don't mind me sending it to the list Bryon. Tedd Doda, VE3TJD Lazer Audio and Electronics Baden, Ontario, Canada 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] Re: Propogation Prediction
At 09:03 AM 8/30/2004, Joe D wrote: You could use my free path analysis tool, rfProfiler-Light, to predict the path loss in various directions from your transmitter site. http://www.rfsoftware.com/rfpl/downloads.shtml It is not as slick as the expensive programs, but what do you want for free! Joe, N2UF Joe, That's a great little program! THANK YOU! 73, Tony, W4ZT 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] Re: Propogation Prediction
How does it work? Is it like CETs as in looking down and seeing a probable footprint? Ed - kb8qeu Tony King - W4ZT wrote: At 09:03 AM 8/30/2004, Joe D wrote: You could use my free path analysis tool, rfProfiler-Light, to predict the path loss in various directions from your transmitter site. http://www.rfsoftware.com/rfpl/downloads.shtml It is not as slick as the expensive programs, but what do you want for free! Joe, N2UF Joe, That's a great little program! THANK YOU! 73, Tony, W4ZT Yahoo! Groups Links 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] Re: motrac base station conversion to repeater
Don't forget-Motrac and Micor cards are different! If you have Micor cards, you can, with some patience and a good soldering iron, re-wire it to work on the Motrac, but they are not pin-compatible. 'Course if you have Motrac cards, then that's moot ;C} Matt wrote: Thanks for the info. I have a spare Time Out Timer board too, in addition to a couple Squelch Gate cards, so I should have the cards I need for this. Extra cooling is definetly part of the plan too. The only other thing is, do you have any suggestions on the easiest way to get the receiver to stay active while the transmitter is keyed? Best place to make this mod? Any thoughts on that would be much appreciated. (Especially since I don't have a service manual for the unit!) Thanks, Matt 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] Re: Propogation Prediction
There is radio mobile http://www.cplus.org/rmw/english1.html and there is a yahoo group dedicated to it's support and use. However you will be using rfprofiler light out of the box much easier. INMO. doug --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.744 / Virus Database: 496 - Release Date: 08/24/2004 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/
[Repeater-Builder] Re: Propogation Prediction
You specify a location using longitude/latitude. Then you define a path either with another point (long/lat) or with a range and bearing from the starting point. The program creates a terrain profile between the two points and then, using the Longley-Rice iterative terrain model, calculates the path-loss between the two points. The freeware program uses 10-meter resolution 30-arc-second terrain data. Joe, N2UF --- In Repeater-Builder@yahoogroups.com, Mr. Edgar McKinney [EMAIL PROTECTED] wrote: How does it work? Is it like CETs as in looking down and seeing a probable footprint? Ed - kb8qeu At 09:03 AM 8/30/2004, Joe D wrote: You could use my free path analysis tool, rfProfiler-Light, to predict the path loss in various directions from your transmitter site. http://www.rfsoftware.com/rfpl/downloads.shtml It is not as slick as the expensive programs, but what do you want for free! Joe, N2UF 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] RC-96 EEPROM
Yes the controller boots fine and functions as it should... Very strange the I see the 6264 blank as you do. Maybe someone else will have some input on this? Bryon K0BSJ At 10:11 AM 8/30/2004, you wrote: On Mon, 30 Aug 2004 08:11:25 -0500, Bryon Jeffers K0BSJ wrote: I attempted to get the binary info out of my U30 and found it was blank. Seems I'm having the same problem here as well Bryon. Does the controller boot normally with that eeprom in place? I have verified that the eprom programmer works on all the other eproms I check this weekend I'm starting to think that the 6264 is slightly different from a standard 2864, but the 2864 works in it's place?? This was a private email to me, so I hope you don't mind me sending it to the list Bryon. Tedd Doda, VE3TJD Lazer Audio and Electronics Baden, Ontario, Canada Yahoo! Groups Links 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] RC-96 EEPROM
Hey folks, A 6264 is an 8K X 8 CMOS Static RAM..when you unplug it, it loses all data. The 2864 is an 8K X 8 CMOS EEPROM...does not lose data when unplugged. They are completely different Ron Rogers WW8RR (previously WB8ERB) -Original Message- From: Bryon Jeffers K0BSJ [mailto:[EMAIL PROTECTED] Sent: Monday, August 30, 2004 11:56 AM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] RC-96 EEPROM Yes the controller boots fine and functions as it should... Very strange the I see the 6264 blank as you do. Maybe someone else will have some input on this? Bryon K0BSJ At 10:11 AM 8/30/2004, you wrote: On Mon, 30 Aug 2004 08:11:25 -0500, Bryon Jeffers K0BSJ wrote: I attempted to get the binary info out of my U30 and found it was blank. Seems I'm having the same problem here as well Bryon. Does the controller boot normally with that eeprom in place? I have verified that the eprom programmer works on all the other eproms I check this weekend I'm starting to think that the 6264 is slightly different from a standard 2864, but the 2864 works in it's place?? This was a private email to me, so I hope you don't mind me sending it to the list Bryon. Tedd Doda, VE3TJD Lazer Audio and Electronics Baden, Ontario, Canada Yahoo! Groups Links Yahoo! Groups Links 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/
[Repeater-Builder] Attn: Cushman Monitor fans-user-supporters
PLUGINS AVAILABLE Found after Garage Sale ( you never know whats on these shelves...even we don't know.) Plugin for Cush CE-3-4-5-6 $$ ea $$ 1 Model 302 FM Deviation Meter $100 2 Model 304 25-50 mhz hisens 100 3 Model 305 145-175 mhz Hisens 100 1 Model 305B 145-175 mhz hisens100 buy 2 save $25 buy 3 save$40 shipping included all tested working units m/c anad visa accepted 708-681-0300 Ted Bleiman K9MDM MDM Radio Ltd - 1629-B N. 31 st Ave Melrose Park, IL 60160 708.681.0300 fax 708.681.9800 web http://www.mdmradio.com - See our website for "SPECIAL DEALS" Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. 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 the Yahoo! Terms of Service.
RE: [Repeater-Builder] RE: RC-96 EEPROM
Tedd: I have not been following this thread so I have no idea of the whole story here. I was simply explaining the difference between the 6264 and the 2864. But, many years ago someone made a low profile socket for the 6216 and 6264 chips that had a built-in battery and blocking diode. To give your CMOS RAM chips battery backed capability, you simply plugged this special socket onto the existing socket on the PC board, then plugged in your CMOS RAM chips. Could it be someone retrofitted this RC-96 with this mod ?? Ron Rogers WW8RR -Original Message- From: Tedd Doda [mailto:[EMAIL PROTECTED] Sent: Monday, August 30, 2004 1:00 PM To: [EMAIL PROTECTED]; Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] RE: RC-96 EEPROM On Mon, 30 Aug 2004 12:38:08 -0400, Rogers, Ron wrote: A 6264 is an 8K X 8 CMOS Static RAM..when you unplug it, it loses all data. The 2864 is an 8K X 8 CMOS EEPROM...does not lose data when unplugged. Hi Ron: Well that would make sense! My only question arises is how can the base data be loaded into the 6264 if it looses it's data when unplugged? As the RC-96 doesn't have any backup battery, how is the data saved? Cross-posted to the ACC list. Tedd Doda, VE3TJD Lazer Audio and Electronics Baden, Ontario, Canada Yahoo! Groups Links 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/
[Repeater-Builder] Mitrek element failure
Hi, all. I have a mitrek that I have duplexed and for some reason it keeps blowing RX elements. I compared it to others that I have here, and the voltages on pins 2 and 3 are close, but not on. What are the tolerances of the elements for the voltages, and has anyone else lost RX elements like this? Thanks Jason 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/
[Repeater-Builder] RE: RC-96 EEPROM
On Mon, 30 Aug 2004 12:38:08 -0400, Rogers, Ron wrote: A 6264 is an 8K X 8 CMOS Static RAM..when you unplug it, it loses all data. The 2864 is an 8K X 8 CMOS EEPROM...does not lose data when unplugged. Hi Ron: Well that would make sense! My only question arises is how can the base data be loaded into the 6264 if it looses it's data when unplugged? As the RC-96 doesn't have any backup battery, how is the data saved? Cross-posted to the ACC list. Tedd Doda, VE3TJD Lazer Audio and Electronics Baden, Ontario, Canada 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/
[Repeater-Builder] r100 repeater question
I have a copy of the manual coming that I will forward to you when I get it. I need your help on getting this thing programmed. I purchased the polaris #9 cable and I have the Mot. Field Programming software, but I keep getting an error that Device not ready when I try to read the data. Any ideas? Thanks, Ryan Holt 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/
[Repeater-Builder] r100 question
Sorry, the last post was mistakenly sent to the list. I realize it is too specific for general conversation. Won't happen again. Ryan 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] Re: motrac base station conversion to repeater
Someone correct me if I am wrong here - I haven't worked on a Motrac repeater in a very long time - Station Logic Module - the diode that connects to pin 3 (anode connects to pin 3) is the Receiver Mute circuit - lifting one end of that diode should leave the receiver unmuted during transmit. Neil Matt wrote: Thanks for the info. I have a spare Time Out Timer board too, in addition to a couple Squelch Gate cards, so I should have the cards I need for this. Extra cooling is definetly part of the plan too. The only other thing is, do you have any suggestions on the easiest way to get the receiver to stay active while the transmitter is keyed? Best place to make this mod? Any thoughts on that would be much appreciated. (Especially since I don't have a service manual for the unit!) Thanks, Matt --- In Repeater-Builder@yahoogroups.com, motarolla_doctor [EMAIL PROTECTED] wrote: The part number, 25D84561A01, is the power transformer. Now, let's see how many Compa base and repeaters have Neil and I worked on over the years. Any way Neil still has the books and can determine which transformer that is. There is also some taps on the secondary to lower the B+ for about 40 or 60 watts. Add a good fan on the PA heatsink and you should be ok. The 'Tone' decoder is in the receiver, the 'Tone Decoder' in the card cage is most likley the Tone Remote tone decoder.. you probally do not need it. Just need to add the Squelch Gate and Time Out Timmer boards. Yahoo! Groups Links 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] Re: dB compariisons
At 8/29/2004 12:07 PM, you wrote: Actually, the old standard was 6 db per S unit., but then there really never has been a real standard for S units that anyone has followed. Al, K9SI I was once told that Collins radio had standardized S9 to be 50 µV. That would put S1 at 0.20 µV. The S-meters on most of my VHF/UHF ham gear seem to hit max. indication around 10 µV. Bob NO6B 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] Re: dB compariisons
You are correct the standard is 50 µV for a S9 indication, and you are also right most ham rigs are way, way, way off. Except for those we build ourselves. My HF rig shows exactly S9 for 50 µV. But that is the only thing nowadays that could be considered standard. The S meter is run off the AGC circuit controlling the gain of the IF amp in most radios. However how that is created is different in all rigs and the variation from S9 either lower or higher will probably not be calibrated. Gregg R. Lengling, W9DHI, Retired Administrator http://www.milwaukeehdtv.org K2/100 S#3075 KX1 S# 57 Member: ARRL, RSGB, RCA, WERA and ORC -Original Message- From: Bob Dengler [mailto:[EMAIL PROTECTED] Sent: Monday, August 30, 2004 4:12 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: dB compariisons At 8/29/2004 12:07 PM, you wrote: Actually, the old standard was 6 db per S unit., but then there really never has been a real standard for S units that anyone has followed. Al, K9SI I was once told that Collins radio had standardized S9 to be 50 µV. That would put S1 at 0.20 µV. The S-meters on most of my VHF/UHF ham gear seem to hit max. indication around 10 µV. Bob NO6B Yahoo! Groups Links 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] Re: dB compariisons
Bob, I have not run that test - but I can if you need more info on the subject. I have three HF radios and numerous VHF/UHF radios here. Neil - WA6KLA BTW, found your picture yesterday ... ;) http://www.tasma.org/nl0407.pdf Bob Dengler wrote: At 8/29/2004 12:07 PM, you wrote: Actually, the old standard was 6 db per S unit., but then there really never has been a real standard for S units that anyone has followed. Al, K9SI I was once told that Collins radio had standardized S9 to be 50 µV. That would put S1 at 0.20 µV. The S-meters on most of my VHF/UHF ham gear seem to hit max. indication around 10 µV. Bob NO6B Yahoo! Groups Links 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] Re: dB compariisons
That's so they 'receive better' than the competition. ;- Joe M. Bob Dengler wrote: The S-meters on most of my VHF/UHF ham gear seem to hit max. indication around 10 µV. 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/
