ldcarson

Just retired myself here in New Braunfels.  Will be setting up a vertex 7000 with either a db4 or db8 antenna in the coming few months and do some testing.

I sent FranktheTank a PM, I think NB700 is now ready to join the alamo network.  I did some exstensive testing this past week and I hit the repeater as far away as 50+ miles up north heading towards fredricksburg.  It is of course hit mor mis as you move up and down the valleys and hilltops.  To the east I can hit it out towards Katy and hit or mis in and around Universtity Texas State., Inside Seguin hit or miss, south of Seguin and good signal..  I have it estimated at 30miles but it is more likely 35-40 on average.  That is running it at 28 watts.  The repeater is a Vertex 7000U with an internal Duplexer.  I have a spare and a 9000 Vertex, just awaiting a duplexer arrival to tune and put it on line for some testing.
I didn't want to join until I had everything in place and a working system  So I think we are good to go now.  It is connected via LMR600 into a COMSPEC DB 408B.  I have a few PI4s and just need some directions on connecting.  Hopefully soon we will have this area on the network which should great increase our foot print.
 
Cheers everyone.

I sent FranktheTank a PM, I think NB700 is now ready to join the alamo network.  I did some exstensive testing this past week and I hit the repeater as far away as 50+ miles up north heading towards fredricksburg.  It is of course hit mor mis as you move up and down the valleys and hilltops.  To the east I can hit it out towards Katy and hit or mis in and around Universtity Texas State., Inside Seguin hit or miss, south of Seguin and good signal..  I have it estimated at 30miles but it is more likely 35-40 on average.  That is running it at 28 watts.  The repeater is a Vertex 7000U with an internal Duplexer.  I have a spare and a 9000 Vertex, just awaiting a duplexer arrival to tune and put it on line for some testing.
I didn't want to join until I had everything in place and a working system  So I think we are good to go now.  It is connected via LMR600 into a COMSPEC DB 408B.  I have a few PI4s and just need some directions on connecting.  Hopefully soon we will have this area on the network which should great increase our foot print.
 
Cheers everyone.

Just retired myself here in New Braunfels.  Will be setting up a vertex 7000 with either a db4 or db8 antenna in the coming few months and do some testing.

Looks good!  I like programmable radios and am a geek with that kind of stuff, but for the rest of the family I have also decided to go Midland because they prefer simple, so that's what we are using in our cars and home.  I do wish they would allow us to program them for wideband on the older models.  I have returned several MXT275s to be redone for wideband (Assuming they have the USB C) but would be nice if CHIRP would work on them.

Looks good!  I like programmable radios and am a geek with that kind of stuff, but for the rest of the family I have also decided to go Midland because they prefer simple, so that's what we are using in our cars and home.  I do wish they would allow us to program them for wideband on the older models.  I have returned several MXT275s to be redone for wideband (Assuming they have the USB C) but would be nice if CHIRP would work on them.

Looks good!  I like programmable radios and am a geek with that kind of stuff, but for the rest of the family I have also decided to go Midland because they prefer simple, so that's what we are using in our cars and home.  I do wish they would allow us to program them for wideband on the older models.  I have returned several MXT275s to be redone for wideband (Assuming they have the USB C) but would be nice if CHIRP would work on them.

gonna show my age on one of these, but for phone I like 20/40 meters, for digital I like old school AX25 packet radio....Not many around these days but I liked running the old style BBS.  Winlink works great for Email on HF in a pinch.

gonna show my age on one of these, but for phone I like 20/40 meters, for digital I like old school AX25 packet radio....Not many around these days but I liked running the old style BBS.  Winlink works great for Email on HF in a pinch.

Db8 is due here on the 26th, had to go with lmr600 vice 7/8 as they were out of stock.  Got a 43 push-up mast and will get it up end of may, then dig out the vertex and make sure it’s still working.  Let me get it up and running with some testing to see how it performs.

Just retired myself here in New Braunfels.  Will be setting up a vertex 7000 with either a db4 or db8 antenna in the coming few months and do some testing.

Just retired myself here in New Braunfels.  Will be setting up a vertex 7000 with either a db4 or db8 antenna in the coming few months and do some testing.

I would tune the radios down to 20 or 25 watts...they will last longer. It's a short run on coax so rg8x or some 213 will be fine with n connectors. I use dcp, vice ctcss. Try and go up as high as you can. Height will be ur friend. Lastly, make sure you have a good power supply to run the mobiles on. This k about a battery back up for when u have power failure. What type of antenna? I use a jpole, it works great.

Sent from my SM-T357T using Tapatalk

This is from a legal newsletter:
 
Enforcement Bureau’s WirelessTop-10 Violations ListAt this month’s Land Mobile Communications Committee(LMCC) annual meeting, the deputy chief of the FCCEnforcment Bureau presented his “Top-10 List” for wirelessviolations. Interestingly enough, there was a commontheme with most of the violation types that the EnforcementBureau discussed – namely, interference.Absent from the list however were antenna tower violationswhich we know remain an important compliance forthe FCC nonetheless. 10. Non-compliance with the narrowbandingmandate. Enforcement stated that this is moreprevalent with older systems that have not beenreplaced or upgraded.9. Poor Engineering. Engineering which causesinterference to co-channel stations, or interferenceresulting from spurious emissions and harmonics.8. Licenses held by corporations that have beensold, suspended or are otherwise out of business.This makes it difficult for the FCC to resolve interferenceissues that could normally be handled bya simple phone call.7. Unlicensed operation. This problem is on therise due to the purchase of radio equipment fromretail outlets, without attention to the need forFCC licensing. Offending users are most prevalentin the retail, hospitality and auto industries.6. Itinerant or special event interference. Interferencebetween special event radio operations underspecial temporary authority (STA) (e.g., carraces, rock concerts, etc.) and incumbent licensedoperations. Caused by frequency congestionwhich makes interference free operation underSTA more difficult. Special event operations mustbe careful to coordinate with incumbents to avoidinterference.5. Failure to properly monitor shared channels beforetransmitting (for Part 90 and other sharedspectrum operations)4. Failure to properly identify your station call sign:Enforcement is going to crack down on this becauseit frustrates efforts to identify the source ofinterfering signals.3. Frequency Warehousing. Created by a failureto construct or by permanent discontinuance ofoperation without returning spectrum to FCC.2. Control Channel Trunking on Conventional UseChannelsAnd the number one wireless enforcement issue . . . .1. Monopolizing shared channels. Shared channelsmust be shared, and licensees that broadcastsignal continuously or fail to monitor beforesending signals can be fined. 

also known as LMR 400 flooded
https://www.tessco.com/products/displayProductInfo.do?sku=44370&eventPage=1

If the MTR is alerting High Swr then how is the swr after the duplexer? Do you maybe have a bad cavity or bad connector on the cavity itself somewhere? As far as the jumper replacement goes; RG-8 and LMR-400 have different velocity factors and the cavities will need to be tuned with the new jumpers in place.
 
RfMedic

I haven't started my own thread, but thought I would chime in anyway.  I have done something similar(Testing purposes)  I have 2 Kenwood Tk862-G radios and 2 Baofeng FP8HP.  I bought a chinese duplexor and a radiotone controller.  I original had it set up with the Baofeng, without the duplexor, I got about 3-4 miles with 2 HTs next to each (Problem with radio sensitivity)  I have already programmed up the 2 TK's, but am awaiting pl259- to - N connector adapters.  This will allow me to run them through the cavity duplexor and radiotone controller.  This was mostly designed as a test.  I also have a Motorola GM300 repeater, but it is in the states in a box awating me to come home and setup.   My antenna is a TRAM and I bought a seperate Jpole for testing. I am interested in adding the chinese duplexor and 2 Baofengs to a Pelican case that can be hoisted up into a tree and see what that range would give. 

I have a couple and use them on occasion, but of the Chinese knockoffs, I prefer the Uv5R.  Having said that I just took a look at both and mine on High are holding at 3.25 watts.  Low power is .98 watt.  There is another one that I saw on fleabay that purports to have 8 watts transmit power.  I am down in Argentina at the moment, but when I come home for summer vacation I want to try the Radio Tone Duplex to see if it will pass the GMRS freqs.  I have one and it works great setting up a temp 2 meter VHF or 440 UHF repeater for amateur radio use.  The Li-Ion batter in it gives you about 24 hours sometimes longer use without power which makes it great for emergencies, however don't know if it will work on GMRS freqs....