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  • Brisbane, QLD
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Seppo's Discussions

Drones to become target practise for Australian farmers !

Started this discussion. Last reply by Greg Fletcher Mar 31, 2013. 1 Reply

Ran across an interesting thread discussing the proposed use of UAVs for cattle monitoring.I imagine it'd sure get expensive quick !    …Continue

RFD900, RFD900+ - New long range radio modem

Started this discussion. Last reply by Emin Bu Apr 23. 460 Replies

Hi All,I would like to introduce you to a new radio modem that we developed for very long range datalinks!http://rfdesign.com.au/RFD900.phpSome of the…Continue

No GPS Altitude update on arduplane 2.27a / apmplanner 1.1.13

Started this discussion. Last reply by Seppo Jan 2, 2012. 2 Replies

Ran into some strangeness with the GPS altitude on the latest firmware.On initial bootup, GPS gets a 3D fix, and the altitude is correct on apmplanner.Taking off and flying, the altitude remains…Continue

Throttle weirdness on arduplane 2.26/ apmplanner 1.1.2 vs. normal on 2.24/1.0.88

Started this discussion. Last reply by Don Brooks Dec 9, 2011. 3 Replies

Gday,Things are fine with the old combination of arduplane 2.24/ APM planner 1.0.88With arduplane 2.26/ apmplanner 1.1.1 or .2, I can't get throttle settings to work.Have gone through…Continue

 

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Latest Activity

Emin Bu replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hm...thanks for answer but i really doubt that....that would mean i can use Dragon V3 for PPM control and also connection to pixhawk and ground station telemetry and also for communication with RTK...hope that day will come soon..."
Apr 23
Paul Meier replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Emin, I think you may use the same 433 or 868, just set them to different band, but if you feel rich use 1 433 and 1 868+"
Apr 23
Emin Bu replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Noob in RTK question;can i use 868+ modems for both telemetry and connection to RTK GPS...or i have to use 433 for telemetry and 868+ for rtk?"
Apr 23
Ikaros replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"No they didn't say how long it would take, but I am looking forward to it. None of my rfd868p modems work on the standard fw so I have to run them with MP fw. The link is solid but no RSSI reporting.."
Apr 15
Mike Mac replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thanks for the reply. Did they say how long before the next firmware update?   I did some flying this morning and everything worked perfect. The Pixhawk based antenna tracker works very well.   .  "
Apr 14
Ikaros replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi, the radio link reporting is not working on the multipoint fw. I contacted RFDesign and they are working on it."
Apr 13
Mike Mac replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Multi-point setup This is my first post on this thread so forgive me if the question has already been answered. I have three RFD900+ modems for airplane, GS, and Antenna tracker. I have Pixhawk on all three. I just programmed the RFD900 modems with…"
Apr 13
Marc MERLIN replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thanks Don. Sure enough it works with ECC turned off.  So the next questions are 1) How bad is it to lose ECC for mavlink/ardupilot? 2) Is there a firmware I can put on either radio so that they are compatible with ECC turned on? Or should I…"
Mar 29
Don LeRoi replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Marc, Yes, you have to turn off ECC on both. -Don "
Mar 29
Marc MERLIN replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I'm not having any luck getting my RFD900+ talking to a 3DR clone (which talks very well with its other clone) Is my problem format 25 vs 26, which I can't change? Do I need to flash different firmware? Or do I need to disable ECC on…"
Mar 29
Marc MERLIN replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Thomas, did you ever resolve this? I have the same problem between a 3DR compatible radio and an RFD900+"
Mar 29

JDrones
Jani Hirvinen replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"3G/4G is not a good solution for flying devices. Wrong placement on vehicle can cause interference with electronics. Another big issue is with bandwidth etc, none of the telecom carriers are giving any promises of data rates and signal is often lost…"
Feb 15
Jose Alberto Soler replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"wow this is bad news. I guess the best solution is to just use 4g. "
Feb 15
Ersin Gürel replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"RFD868 is no more a solution for Europe? Hello, I live in Turkey so we have 900MHz GSM and 800MHz 4G LTE signals as general in Europe. I am trying to setup a long range UAV for academic purposes. I already have ezUHF which works on 433MHz band. So…"
Feb 15

JDrones
Jani Hirvinen replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I would say: Don't do that! Most likely you either shortcircuit something on board or mess it's RF design and tuning. RFDs have specially designed RF PCBs and adding more material on it would most likely kill it's original design as…"
Feb 11
Jack Keller replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"The cover on top of my RFD900 keeps coming off so I was thinking about taking it off and potting the inside of the unit with some silicone or epoxy that won't cause damage and then placing the top back on.  If I did this, would it cause…"
Feb 11

Profile Information

About Me:
Engineer, Pilot, General Geek and interested in anything electronics, flying and any random cool thing of the moment
Please tell us a bit about your UAV interest
Variable pitch quadcopters, UAVs for the outback challenge
Hometown:
Brisbane

Comment Wall (1 comment)

At 12:44am on December 29, 2013, mParets said…

Hi. I'm struggling in an attempt to get a pair of RDF900 modems talking to each other. When installed on a Raspberry Pi via USB and seems to work find (responds to +++ to enter AT command mode). When installed on my Windows 8 laptop I get nothing. The status light flashes, I get a red flash when I transmit a key press (testing with Pythons Miniterm). I even down graded Usb driver to the .28 version as suggestion in forum post. No luck on any front get a response on the pc, and no suggestion that the two modems are connecting.

Is there a fix for any known issues with Windows 8?

Is there is tutorial/primmer/testing document? Something that I could follow to make sure I am setting everything up right?

Any suggestions would help.

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