Seppo
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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 Chris May 12. 481 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

Chris replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I used their prepared binaries (http://files.rfdesign.com.au/firmware/) - choose the one for the 900+, I believe I'm using the 1.9 binaries and they are working well for me.  I also have tried the v2 for multipoint comms. Try the v1.12…"
May 12
Jason replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Chris, I am building the firmware for RFD 9000+ (i think it is RDF 900p as well). I downloaded the source code from branch :https://github.com/RFDesign/SiK/tree/SiK. And Compiling is OK. Then I uploaded the new firmware onto one of my two radio…"
May 11
IronDOME replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thanks for this clarification mate ID"
May 11
Dan Ho replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi ID, A good thing about these modems is that they use spread spectrum whereas GSM is narrow band.  When a spread spectrum receiver de-spreads the incoming signals, narrow band signals are significantly spread out and therefore reduced while…"
May 11
Dan Ho replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Seppo, a couple other questions - I assume encryption will only be available on the "+" version, true?  And is there any impact on the throughput? Thanks, Dan"
May 11
Dan Ho replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Seppo, Yes, a long time - but good to hear the news!  Over the years, I've purchased 3 RFD900s from you and wanted to know if the Telem + PPM passthrough is a firmware update.  My modems are all RFD900, not RFD900+, if that makes…"
May 11
IronDOME replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Seppo Help me to understand a little more how these things work.  When you say 1. "Telemetry plus concurrent PPM passthrough." what does that exactly mean? Same modem ca be used for different functions? 2. "Modems with…"
May 11
Seppo replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"It has been a long time since updates! We have been working on a lot in the background. A 900 MHz RCLink solution will be available very soon, within the next 1-2 months. Telemetry plus concurrent PPM passthrough. Modems with higher data rates…"
May 11
Chris replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Jason, No probs, we are all here to help each other.  Try the RFDesign site.  http://files.rfdesign.com.au/tools/ should have the RFD config tool which has the option 'Mavlink' in the lower left side.  This should inject…"
May 10
Jason replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi Chris, Thank you for your advice. I use the 3DRRadio config for configuration. But I did not found the option to inject the MAVLink RSSI. Could you tell me which configuration tool you use?  Jason"
May 10
IronDOME replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thanks mate!   I'm doing a lot of research and so when i read something that is unclear I tend to ask just like I did here. Thanks all. Yes, the current Talon I have uses RFD, at some point I had some problems with the link quality even…"
May 9
David Boulanger replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"I'm no expert.  Read as much as you can and there is a lot to learned on YouTube video's about antenna's and matching equipment properly.  The antenna's that come with the RFD seem to be of good quality. Regards, David…"
May 9
IronDOME replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Hi David Your advise is really appreciated, thanks; as you have been aware that this no field of my expertise. In this case I think I will for now stick with Omni using the RFD900 modems. Many thanks. "
May 9
David Boulanger replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"IronDOME, Antenna theory and matching components properly is something you may want to look into.  A Yagi is directional and the Omni is not.  It also depends on the airspeed, duty cycle, and a variety of other factors you program into the…"
May 9
IronDOME replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"Thanks Thomas for quick reply. So, would Yagi antenna be better than that the Omni? If so would you recommend which make and model of the yagi? I am preparing to assemble an X-Talon so presently I'm putting together a list of what is…"
May 9

Admin
Thomas J Coyle III replied to Seppo's discussion RFD900, RFD900+ - New long range radio modem
"@IronDOME, It might imply a tracking antenna mount controlled by the GCS and a Yagi antenna. Regards, TCIII AVD"
May 9

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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