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Old 09-20-2016, 03:51 PM   #81
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Re: FrSky Horus Tx first production run being delivered


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Seen a lot of posting about poor range with Internal antenna. Have done a bit of testing myself. The Internal drops out a few paces before External when in Range Check mode just outside 50 meters.

A whole lot of hoopla for the most part as guys are flying gliders at 250m AGL and significant downrange with no issues on Internal antenna.
This guy doing 325m Alt and 1000m downrange with Internal antenna.

http://www.rcgroups.com/forums/showp...postcount=2946
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Old 10-10-2016, 08:16 AM   #82
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Re: FrSky Horus Tx first production run being delivered

anyone have any idea when the next shipment of the horus is coming to RotorGeeks..
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Old 10-16-2016, 11:52 AM   #83
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Re: FrSky Horus Tx first production run being delivered

I have been following a lot of back and forth about sporadic unexplainable FS issue that initially seemed like a 10-20% reduction in range with internal vs external antenna.

It seems to be coming to light that it is more of a Data Throughput issue related to iJXT Module Firmware.

Seems to be worse with small Quads close to the ground but not isolated to that configuration. Some people have zero issues.

I would not fly with it until proven FW update is issued.

Very surprising that a system with such good reputation for solid RF could fumble the ball at this stage.

Sketchy FW + Sketchy Insurance situation makes me question the path forward.......
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Old 10-16-2016, 05:49 PM   #84
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Re: FrSky Horus Tx first production run being delivered

The other side of the coin is simply some malfunctioning units. To paraphrase something that made sense to me, if you do have any trouble, send it in. Playing with external antenna etc. to try and fix it just delays finding out what problem there is.
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Old 10-16-2016, 06:03 PM   #85
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Re: FrSky Horus Tx first production run being delivered

Quote:
Originally Posted by davidmc36 View Post
I have been following a lot of back and forth about sporadic unexplainable FS issue that initially seemed like a 10-20% reduction in range with internal vs external antenna.

It seems to be coming to light that it is more of a Data Throughput issue related to iJXT Module Firmware.

Seems to be worse with small Quads close to the ground but not isolated to that configuration. Some people have zero issues.

I would not fly with it until proven FW update is issued.

Very surprising that a system with such good reputation for solid RF could fumble the ball at this stage.

Sketchy FW + Sketchy Insurance situation makes me question the path forward.......
Pardon my ignorance, no idea what you mean talking about iJXT Modules, etc...is this problem you're describing a problem with the base Horus, or is this a module problem?
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Old 10-16-2016, 07:20 PM   #86
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Re: FrSky Horus Tx first production run being delivered

David,

The people having issues seem to be the ones using the new Euro LBT firmware. They are limited in output as per the new UK standard.

But those that have upgraded to 1.2.18 have no issues. There are about a dozen of us in the GTA that are flying our Horus's on a regular basis with great results. I get over 330 feet on range check mode with RSSI hovering around 47 at that distance, which means it'll easily go to practically 500 feet before it hits the alarm threshold I've set of 38.

Once I take it out of range check mode, at 330 feet, the signal goes back up to 78 ish, which is HUGE.

There's another gent with a production unit (mine is a beta from the 2nd batch), that mimics the range that I get, he too is on the International 1.2.18 firmware. No issues what so ever.

In Burlington, my friend the VP of the club flies his, no issues as well and we're all using the internal antennae.

The one you referenced that flies over 1.5km is David Webb aka Websolutions, he flies CF gliders out in BC, he was one of the beta testers as well. There is no issue with the Horus for airplane flying.

(BTW, I'm on SBUS with X8R into the Aura8 that goes into a BoomaRC powerbox using about 14 channels on one of my planes. No issues with lost frames or packets)
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Old 10-16-2016, 07:45 PM   #87
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Re: FrSky Horus Tx first production run being delivered

Quote:
Originally Posted by cosmith View Post
Pardon my ignorance, no idea what you mean talking about iJXT Modules, etc...is this problem you're describing a problem with the base Horus, or is this a module problem?

i=Internal
XJT = RF Section of the radio.



The X12S has an Internal XJT and you can put on an External XJT through the module port. You can basically make the Horus talk to any receiver by using a JR type module that you put in the back of the radio. So when you purchase a Horus and plug in a DSM2 / DSMX module in the back, you have the best of all worlds. For Quad racing specially beyond LOS there are tons of UHF modules you can purchase to plug into the back of the horus.

The Horus also has provisions for an external antenna if you fly close to the ground for people that do Quad Racing at a distance, it's recommended to use the 2db external.
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Old 10-16-2016, 09:26 PM   #88
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Re: FrSky Horus Tx first production run being delivered

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Originally Posted by JoeT View Post
David,

The people having issues seem to be the ones using the new Euro LBT firmware. They are limited in output as per the new UK standard.

..There is no issue with the Horus for airplane flying.
I think you might say no issues for majority. Unless there have been found other explanations for the reports then there are at least some FCC Plank flyers with unexplained incidents that mimic the others.
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Old 10-16-2016, 09:29 PM   #89
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Re: FrSky Horus Tx first production run being delivered

For the plank flyers, the issues were identified using the extended range test. There was a batch of older marginal receivers. I had an X6R do the same, which NG Hobbies warranted for me.

The new norm is to do a 100M range check in low power mode. If it doesn't do that, send the receiver back.
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Old 10-16-2016, 09:37 PM   #90
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Re: FrSky Horus Tx first production run being delivered

http://www.rcgroups.com/forums/showp...postcount=4534

This is typical for plank flyers with the 1.2.18 firmware.
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