LS+ internal radio woes

avoidthelloyd

Active Member
I have used my trusty LS and T2 for the past 2.5 years and have experienced radio range issues in heavy canopy with it. I have had my ups and downs while learning best practices with setup, cabling, battery power, etc. I was rarely able to work more than 1.5 miles away when using 35 watts. I had spent $800 to find there was nothing wring with my radio and learned to adapt my workflow to limp through large projects.

I had real concerns with the radio range when considering my T3 purchase and knew there was an expected 10% decrease in range when using D8PSK modulation. Well, I am confident that the range decrease is well above 10%, but I don't think it is from the modulation change alone.

I have had my T3 for a month or so and have been back to previous projects several times. With my T2/LS setup, I had to pull out my external antenna sometimes, but with this new LS+, it is a daily requirement for me to work. This feels so regressive.

I am using a good radio with 11.4v at the working battery (bolted cables) pushing 35 watts (which leaves my radio too hot to handle by the end of the day) and antenna as high as the cable will let me go with ground plane (all good cabling) and last Thursday, I couldn't get 700 feet away from my radio before I had to switch to the external antenna. This was the case every week last month.

I feel like this "super engine" (which is great) has compromised the internal radio. I like the fact that they can upgrade our unit without a redesign, but I feel like they can go setup and test things outside their office within 100 feet of their base units and conclude that the super engine works well, but nobody is testing the actual radio range at the lab.

I may be in the extreme minority of users who depend on radio to work, I don't know...

It feels like the focus has been the "super engine" and the radio portion just had to make room. It's like cramming a 454 into your old chevy, but you had to move things around and even though you have all that horsepower, you can't punch it cause you're gonna tear your driveshaft off. Boy, you can talk about how awesome your engine is, but you can't use it's power.

Just bummed out I guess. I know before I started, the company I worked for had the yellow boxes and we would work all over these mountains on a 5 watt internal radio and weren't scared to go for it. I wish the radio range was truly tested and given some attention. I feel like there is nothing the engineers can do with it now and radio range is simply not a priority.

Since I upgraded and didn't buy a new LS+, I'm sure I can't get a refund and I also bet that the LS+ will still be weaker in range if I use my T2, so I may as well go on.

I love this company and that was the selling factor to me when @Shawn Billings was introducing me to JAVAD. It was the small, friendly community and innovative engineers that was exciting. I have had a good time with my first unit. Just this dang range. And for it to be worse with a new and expensive upgrade makes me wish they would've just had a new design and paid attention to the radio.

@Nate The Surveyor offered to come do a side by side test and I need to take him up on that to give JAVAD some insight.
 

Jim Frame

Well-Known Member
I don't have any experience using a UHF radio in heavy canopy, but it sure sounds to me like *something* isn't right somewhere in your radio transmission system. With my 35w UHF I've gone 4 miles in flat open ground without even thinking about using the external rover antenna (and my UHF antenna was only 8' up). Have you had a radio shop test for power output using your radio, your battery, your antenna and your cable? I know that RF cables are kind of delicate, and they can look fine yet have a bad connection somewhere that severely attenuates the signal.
 

Armen Harutyunyan

Active Member
JAVAD GNSS
I have used my trusty LS and T2 for the past 2.5 years and have experienced radio range issues in heavy canopy with it. I have had my ups and downs while learning best practices with setup, cabling, battery power, etc. I was rarely able to work more than 1.5 miles away when using 35 watts. I had spent $800 to find there was nothing wring with my radio and learned to adapt my workflow to limp through large projects.

I had real concerns with the radio range when considering my T3 purchase and knew there was an expected 10% decrease in range when using D8PSK modulation. Well, I am confident that the range decrease is well above 10%, but I don't think it is from the modulation change alone.

I have had my T3 for a month or so and have been back to previous projects several times. With my T2/LS setup, I had to pull out my external antenna sometimes, but with this new LS+, it is a daily requirement for me to work. This feels so regressive.

I am using a good radio with 11.4v at the working battery (bolted cables) pushing 35 watts (which leaves my radio too hot to handle by the end of the day) and antenna as high as the cable will let me go with ground plane (all good cabling) and last Thursday, I couldn't get 700 feet away from my radio before I had to switch to the external antenna. This was the case every week last month.

I feel like this "super engine" (which is great) has compromised the internal radio. I like the fact that they can upgrade our unit without a redesign, but I feel like they can go setup and test things outside their office within 100 feet of their base units and conclude that the super engine works well, but nobody is testing the actual radio range at the lab.

I may be in the extreme minority of users who depend on radio to work, I don't know...

It feels like the focus has been the "super engine" and the radio portion just had to make room. It's like cramming a 454 into your old chevy, but you had to move things around and even though you have all that horsepower, you can't punch it cause you're gonna tear your driveshaft off. Boy, you can talk about how awesome your engine is, but you can't use it's power.

Just bummed out I guess. I know before I started, the company I worked for had the yellow boxes and we would work all over these mountains on a 5 watt internal radio and weren't scared to go for it. I wish the radio range was truly tested and given some attention. I feel like there is nothing the engineers can do with it now and radio range is simply not a priority.

Since I upgraded and didn't buy a new LS+, I'm sure I can't get a refund and I also bet that the LS+ will still be weaker in range if I use my T2, so I may as well go on.

I love this company and that was the selling factor to me when @Shawn Billings was introducing me to JAVAD. It was the small, friendly community and innovative engineers that was exciting. I have had a good time with my first unit. Just this dang range. And for it to be worse with a new and expensive upgrade makes me wish they would've just had a new design and paid attention to the radio.

@Nate The Surveyor offered to come do a side by side test and I need to take him up on that to give JAVAD some insight.

Hello Jason,
In order to investigate the issue we would like to ask for remote session. Please follow the steps below:

1. Connect the Triumph-LS to Internet.
2. Go to Support->Remote Assistance.
3. Set Password and press Connect.
4. Write in this thread the password and S/N of Triumph-LS.

Notes:
Please make sure, that the distance among Тriumph-3, HPT435BT and Triumph-LS is accordingly 2-3 meters.
Connect external power to Тriumph-3, HPT435BT and Triumph-LS.
 

Bill Eggers

Active Member
I feel your pain. We Purchased the Triumph LS two and a half years ago along with Triumph 2 base and the HPT901 BT 5 watt radio. Due to terrain we do not expect to get long range radio anyway so we were happy to get 600 to 800'. Good terrain might get a bonus of over 1500'. Six months ago we had one day that could not even get 500' from the base even with external antenna on LS. Got around that with an upgrade to firmware. A month or so later, out of the blue, we had no radio reception at all. Quickly learned how to use internet connection to work with RTN with our state DOT network, which is a poor substitute.
We have not upgraded to the LS+ yet, but may go that route in hopes of having internal radio fixed while we are at it. That would of course lead to a Triumph 3.
More is not always better.
 

Shawn Billings

Shawn Billings
5PLS
Bill, you likely need an RMA for your equipment. I don't know which radio is bad, but it probably needs a trip back to the shop.
 

Darren Clemons

Well-Known Member
I'm gonna say it again. If you can't get a mile out of your 35 watt radio, in almost all situations, sompin is wrong. Don't sit and brood. There's something broke. Normal (with base on minor hill, and a pole) is 4+ miles.
Nate
Nate,
We’ve NEVER, ever gotten over 1.5 miles with the Javad 35w radio, even when each system I have was brand new. We’ve tinkered with every piece and every setting there is to make sure it’s all optimized and working properly.
The reason we’ve been continuously told is because of going up/over/ around hills in our area with 100‘-200’ drop in elevation.
I’ve asked a billion times why my old Topcon HiperGA would go 6 miles with an internal radio and the UHF in the Javad won’t go 2 but I’ve never gotten an answer that made much sense. I know everything is “narrow band” now, but 25khz IS still an option and I’ve tried it - it doesn’t honestly make much difference.
In our 6 years using Javad equipment and the 35w radio, if we’re 3000’ from ANY base we’ve set - on a mountain even - and we’re “getting radio” at all, we’re happy.
 

Shawn Billings

Shawn Billings
5PLS
That's not typical. In some environments range is limited, but with a well placed base station I can get about 4 miles at 35-watts.

I'd be interested if you would do this test:
Start Base at 35-watts. Go 100 feet from the base and note the RSSI with the LS back pointed at the base. Try with both the external antenna and internal antenna on the LS.

Repeat with the base using internal 1-watt radio. Go 100 feet from the base and note the RSSI with the LS back pointed at the base. Try with the external and internal antenna of the LS.
 

Adam

Well-Known Member
5PLS
With 35 watts I can go 2.5 miles from my house on Crowder ridge to another ridge at the town of Polkville. Probably 40 percent of it is wooded with planted pines and hardwoods. The rest is croplands. I know a guy in Alabama that rarely gets over a mile due to the flat terrain and many pine forests. Places I work in the mountains are really difficult for uhf due to lack of open base sites and many tall ridges and deep valleys. But UHF is all that will work because of lack of cell service in the mountains.
 

Shawn Billings

Shawn Billings
5PLS
Adam, I agree. When I say I can get 4 miles, I want to be clear: that is not in all cases, in all places, at all times. I'm concerned that Darren says he's "never" gone over 1.5 miles. There have been times and places where that's been my limit. Sometimes even less. But in a good situation you should be able to exceed 1.5 miles.
 

Jon Gramm

Member
I have to agree with Nate.

Having used all of the major manufacturers radio modems, all transmitting between 25 to 35 watts, the Javad radio modems seem to have the shortest range.

I have worked in the Angelina National Forest and have received good corrections 6 miles from the reference station. This was with a narrowbanded PDL 450, 35 foot tall antenna rod, low loss antenna cable, and a Maxrad radio antenna. The radio was tested to be outputting 26 watts at the antenna. A Bird watt meter can be a very good investment for troubleshooting.

I have also had the same results in places like Pennsylvania, Ohio, New York, Louisiana, Arkansas, Oklahoma, Colorado, and others with similar vegetation, and certainly worse terrain.

So the question I am asking. Is problem the transmitter, or is it the receiver?

Change the frequency you are broadcasting on if possible.

Get a scanner, tune it to your broadcast frequency(ies), find out if the scanner is receiving the corrections. Proceed from there.
 

avoidthelloyd

Active Member
I do know that the one system change that has happened is my upgrade to the LS+. All of my cables (which are meticulously cared for), radio and antenna are the same as I have been using since I started with Javad 2.5 years ago. This post wasn't about the overall range of my Javad Radio as much as the noticeable decrease in range since my upgrade. I do think the internal radio has been compromised by the new configuration. The techs took a look at things via remote support and updated my radio firmware but did not find any conclusive problems. They are looking into some items as a result of spectrum testing.

I'm never posting to just complain. I really do want help. I want to know if I am causing this poor performance. I would LOVE for it to be something I have easily overlooked or anything I can control. I would LOVE that. I really just hate being in conversations about range with my surveying buddies... makes me feel impotent... haha.

Look at this pic. This is the job that got me trying to figure this out again. This is less than a mile and a quarter from my base/radio. It is about the same elevation with a higher point in between. It's mature trees. This walk in was rough and with bears on the game cameras of the owners, I don't want to go back. But I have to because I had no radio at the NW corner.

My radio is cooking with 2 batteries connected with cables. I have 11.6-12w on load when broadcasting. My antenna with ground plane has a flawless cable and is up 16 ft. I am telling it to use 35 watts. I couldn't get radio with the external antenna at 1.14 miles even when I held my range pole fully extended and as high as I could reach (±10ft total).

radio.png


Jim Frame turned me onto heywhatsthat radio mapping site that shows this. Am I just asking for too much? Is it really my terrain that Javad radios can't push through? I've said it already, but I want to reiterate, I know the yellow box units will perform great in my area on less juice and I am not satisfied yet that Javad will not do the same. I feel it's fixable.

hey.png


I appreciate any suggestions, cause this is kicking my hiney. Thanks.
 

avoidthelloyd

Active Member
I'm gonna say it again. If you can't get a mile out of your 35 watt radio, in almost all situations, sompin is wrong. Don't sit and brood. There's something broke. Normal (with base on minor hill, and a pole) is 4+ miles.
Nate
Not sittin. Not broodin. Just need all the eyes I can get to help me figure this out. Bring your unit over in some of your down time. :D
 

avoidthelloyd

Active Member
I have to agree with Nate.

Having used all of the major manufacturers radio modems, all transmitting between 25 to 35 watts, the Javad radio modems seem to have the shortest range.

I have worked in the Angelina National Forest and have received good corrections 6 miles from the reference station. This was with a narrowbanded PDL 450, 35 foot tall antenna rod, low loss antenna cable, and a Maxrad radio antenna. The radio was tested to be outputting 26 watts at the antenna. A Bird watt meter can be a very good investment for troubleshooting.

I have also had the same results in places like Pennsylvania, Ohio, New York, Louisiana, Arkansas, Oklahoma, Colorado, and others with similar vegetation, and certainly worse terrain.

So the question I am asking. Is problem the transmitter, or is it the receiver?

Change the frequency you are broadcasting on if possible.

Get a scanner, tune it to your broadcast frequency(ies), find out if the scanner is receiving the corrections. Proceed from there.
Mr. Gramm, can you provide a link to this wattmeter that will work for these radios???
 

avoidthelloyd

Active Member
Nate,
We’ve NEVER, ever gotten over 1.5 miles with the Javad 35w radio, even when each system I have was brand new. We’ve tinkered with every piece and every setting there is to make sure it’s all optimized and working properly.
The reason we’ve been continuously told is because of going up/over/ around hills in our area with 100‘-200’ drop in elevation.
I’ve asked a billion times why my old Topcon HiperGA would go 6 miles with an internal radio and the UHF in the Javad won’t go 2 but I’ve never gotten an answer that made much sense. I know everything is “narrow band” now, but 25khz IS still an option and I’ve tried it - it doesn’t honestly make much difference.
In our 6 years using Javad equipment and the 35w radio, if we’re 3000’ from ANY base we’ve set - on a mountain even - and we’re “getting radio” at all, we’re happy.
I'm feeling your pain. I stay somewhat productive due to the hybrid RTK and DPOS features. I can setup where I need to in order to complete my large jobs and DPOS every base and be in the same coordinate system. Sometimes I have to wait until I get cell service, but it has worked.
 

Adam

Well-Known Member
5PLS
I wouldn't expect to get radio signal on the other side of that hill. My experience is that uhf will not penetrate dirt. It looks all forested so moving your base to the top of the hill isn't an option. How's the internet in that area?
 

avoidthelloyd

Active Member
I wouldn't expect to get radio signal on the other side of that hill. My experience is that uhf will not penetrate dirt. It looks all forested so moving your base to the top of the hill isn't an option. How's the internet in that area?
Haha. No go on cellular. I actually tried it on that same job. Thanks. Since I have to go back, I found a way to get to the top of that hill. It ain't pretty, but I'm gonna do it.
 
Top