Best available new $10,000 GNSS base or rover

Does the Javad LS fall under $10K?

I believe the?ÿthe Altus APS3G GNSS receiver from Septentrio meets all criteria and I think it is around $10K, but that is a guess ONLY.

The iGage receivers may fit the bill too.

It will likely NOT be from Leica, Topcon or Trimble with all those specs, at least not for under $10k, I suppose it could, I haven't price shopped in awhile...

SHG

IG8

Any knowledge of the iG8, and whether it will work seamlessly using sCMRx with Trimble R10's?

What about iG8 being able to receive network RTCM3MSM4 message for Galileo corrections?

Although, only 220 channels, I like the price and the fact that all bells and whistles are working out of the box. Kind of tired buying equipment, and then having to endlessly make a separate purchase in order to make everything work. (Like buying a new car for $5,000, and then having to pay $1,000 per wheel in order for them to turn, $2,000 to be able to crank the engine, etc.)?ÿ?ÿ

$7,600 price tag for network rover is nice too. Wonder how much the UHF radio adds?

Anyone had experience with the iG8 in canopy?

Posted by: Shelby H. Griggs PLS

Does the Javad LS fall under $10K?

I believe the?ÿthe Altus APS3G GNSS receiver from Septentrio meets all criteria and I think it is around $10K, but that is a guess ONLY.

The iGage receivers may fit the bill too.

It will likely NOT be from Leica, Topcon or Trimble with all those specs, at least not for under $10k, I suppose it could, I haven't price shopped in awhile...

SHG

I believe the Javad is $13,000 plus.

I use an IG8 as a network rover and as a RTK base for a Trimble R10.

You can run an IG8 by installing SurveCE on a TSC3 or TSC2.?ÿ You can't use an IG8 with Trimble Access.?ÿ If you are going to use it a lot as a rover might be best to get an IGage data collector also.

The GPS performance of the IG8 is excellent from my experience.

To get the answers to all your questions talk to Mark Silver.

Posted by: I. Ben Havin

Any knowledge of the iG8, and whether it will work seamlessly using sCMRx with Trimble R10's?

?ÿ

CMRx is a proprietary Trimble correction format that only their boards can transmit or receive. There will be plenty of other choices that are compatible.

RTCM3 gives you the multi constellations and is well documented.

Posted by: squowse

Posted by: I. Ben Havin

Any knowledge of the iG8, and whether it will work seamlessly using sCMRx with Trimble R10's?

?ÿ

CMRx is a proprietary Trimble correction format that only their boards can transmit or receive. There will be plenty of other choices that are compatible.

RTCM3 gives you the multi constellations and is well documented.

RTCM3 is what I use.?ÿ The IG8 base broadcasts it and I set up a survey style on the R10 to receive.?ÿ Easy to do.?ÿ All SV's are available.

I was quoted $13.5k for a new Trimble R8s this week.?ÿ

also not sure if Galileo is supported yet

My understanding is that the hardware is already in place, but firmware/software to take advantage of it is still being refined.

Posted by: squowse

Posted by: I. Ben Havin

Any knowledge of the iG8, and whether it will work seamlessly using sCMRx with Trimble R10's?

?ÿ

CMRx is a proprietary Trimble correction format that only their boards can transmit or receive. There will be plenty of other choices that are compatible.

RTCM3 gives you the multi constellations and is well documented.

On the Florida DOT network site, I am only able to use Galileo corrections with RTCM3MSM4. I have one ATX1230+GNSS/RX1250Tc that has GPS-L5/GLONASS/Galileo, but since its firmware hasn't the ability to receive RTCM3MSM4 corrections, L5 and Galileo is not used. The ATX1230+GNSS/RX1250Tc does have RTCM3, but L5 and Galileo is automatically switched off when I go on the internet with it. All Leica Viva GNSS units (ie GS14, GS15, GS16) uses both RTCM3 and RTCM3MSM4, but it is only with the RTCM3MSM4 that I am able to receive L5 and Galileo. Perhaps Florida's is different from how the rest of the states networks work.

Anyway, that is why I am concerned with it (ie whatever I buy) having RTCM3MSM4 ability. I am afraid that with just RTCM3 I could not benefit from L5/Galileo. Perhaps I am wrong, it won't be the first time, maybe others would know better.

Any idea how the iG8 and R10 might compare in foliage as network rovers?

Thanks,

ubenhavin

IG8 does sCMRx which is not compatible with yellow CMRx. This is by T design. Not a big deal as RTCM3.2 is MSM and is fully interoperable, tested with T, L and SP.

If using iG8 as base you can setup from wifi, front panel, Android app or survce. Not always a simple interface dance with Access if known position base location.

For high power uhf, we recommend repeater operation vs cabled base. Simpler setup.

?ÿ

L5, L2C, Gal, Glo L3 all enabled and available in RTCM3.2.

220 channels is plenty for USA operation today. On the edge in Asia Pacific at times.

Should be no issues with R10. If R8S, make sure Rover has: L5 and Galileo enabled. No benefit if only on base. Currently BeiDou not a giant deal. Rarely more than 3 SV, but more IS better.

M

Thanks Mark,

Is BeiDou also turned on? What options are there left that would/could be turned on? I also have a Leica GS18t that I would want to try base/rover with BeiDou in addition to the other 3 you mentioned. What would be the total/final cost to ship to Florida? Any taxes for a Florida purchase?

People like talking about the Javad LS, but forget there are other receivers available:

http://javad.com/dynamic/Shop/Product/3710

Triumph-1M?ÿ ?ÿ ?ÿ$7,990

Theres a handful of receivers in that price bracket.

?ÿ

IG8, Carlson BRx6+, CHC i80 and CHC i70+ (555 channels), Geomax Zenith 35 and probably a couple more I'm forgetting. With the exception of the Geomax they all come optioned out ready to go.

This discussion is timely. China launched two more BeiDou SV's July 29th (I am not sure if they are AsiaPac geo or worldwide) and Galileo added 4 SV's on the 25th. Surely it is time to stop ignoring BeiDou and Galileo when making purchases. Personally I would not consider an RTK device that did not have BeiDou and GAL enabled, so when looking at pricing I would request all tracking options at the time of purchase.

Does it (iG8) track/use? Short answer: yes;

Longer answer:

I think that most of the 3rd party systems that utilize T boards are provisioned about the same (I have included screen shots from a device below.) In addition to tracking and use, you should also look at / compare:

• Antennas: IGS Absolute Robotic Type Mean or Absolute, effective ground plane size
• Noise Margin from Antenna to LNA to OEM board front end: short lengths, great electrical shielding
• USA Legal UHF Radios (please don't get me started)
• UHF radio receive sensitivity
• Warranty support, service, procedures
• OEM board warranty date, extension options
• stability with chosen collection software

Plus all the other normal stuff.?ÿ

Options:

Tracking:

Just checked [?ÿ https://en.wikipedia.org/wiki/List_of_BeiDou_satellites ]: the two new BeiDou SV's are MEO. So I assume that is worldwide coverage.

Check out the planned BeiDou launches for 2018 in the table at the bottom of the link:

8 additional MEO and 1 additional GEO planned for 2018.

?ÿ

Mark,

It's funny to me that manufacturers using T boards are using Galileo in their fix.?ÿ I beleive it, because you've shared screen shots in the past, but the local Trimble dealer's GNSS support guru told me that the R10 still does not make use of anything but GPS and GLONASS SVs.?ÿ Even with the latest firmware.

If that's true it causes mixed emotions.?ÿ It's cool that Trimble can do such a good job with only two constellations, but frustrating that they won't take the effort to produce incremental updates to the R10 firmware to maximize performance.

I have a sneaking suspicion tha the R10s don't even make that much use of L5 or L2C yet.?ÿ You can turn them on, but I've printed off a quick-reference for which SVs broadcast the modern signals and compared it with the skyplot.?ÿ I'd be danged if the R10 wasn't using SVs with legacy signals over modern ones in the same position in the sky.?ÿ Maybe that's because once you solve the L1 integer what are you really adding??ÿ Seems to me would be more robust to base that solution on the L5 signals if enough?

You need a RTK base receiver or RTN that uses the extra signals or they won't be available at the rover.

On the Utah RTN (VRS) I can only get GPS and Glonass.?ÿ With a RTK base that also has the extras enabled I get the others (I believe, not totally tech savvy on this).?ÿ I do have more SV's when using a RTK base and the system more robust for sure.