[OZAPRS] Status of the HF network ?

Andrew Rich vk4tec at tech-software.net
Sat Nov 11 15:02:28 AEDT 2017


We ran an opentracker on hf from Qld to nsw 

Awesome tracking 

Keep it simple

Sent from my iPhone

> On 11 Nov 2017, at 1:57 pm, Carlos Peco-Berrocal <carlos.peco at gmail.com> wrote:
> 
> Not a good feeling:
> 
> http://owenduffy.net/blog/?p=2173
> 
> 
> 
> I really liked David VK3IL approach, and I want to go to Glen VK1XX
> lab to take a look at his solution as well.
> 
> cheers
> Carlos VK1EA
> 
> 
> 
>> On 11/11/17, Andrew Rich <vk4tec at tech-software.net> wrote:
>> Why don’t you get an opentracker
>> 
>> Sent from my iPhone
>> 
>>> On 11 Nov 2017, at 12:23 pm, Shaun <vk2xpp at optusnet.com.au> wrote:
>>> 
>>> Hi David,
>>> 
>>> I briefly scanned your article. Nice work. I want to have a look in detail
>>> how you did then power supply. Dipping volts as you start the car was my
>>> main concern.
>>> 
>>> Has anyone been able to make a Pi tracker without the head? I.e. use
>>> software in the Pi to act as a TNC and output the tones out the sound card
>>> or USB soundcard?
>>> 
>>> I followed internet instructions that were using Dire Wolf but I couldn't
>>> get it to work. My command line isn't the greatest.
>>> 
>>> Shaun.
>>> 
>>> VK2XPP
>>> 
>>> Sent from my Huawei Mobile
>>> 
>>> 
>>> -------- Original Message --------
>>> Subject: Re: [OZAPRS] Status of the HF network ?
>>> From: David
>>> To: ozaprs at aprs.net.au
>>> CC:
>>> 
>>> 
>>> No problems Carlos. Email me if you have questions as you get into it
>>> further. I don't call myself an APRS expert, but I've at least managed to
>>> make it work. Others on this list can probably solve any hard problems
>>> :-)
>>> 
>>> 73
>>> 
>>> David VK3IL
>>> 
>>>> On 9/11/2017 10:15 PM, Carlos Peco-Berrocal wrote:
>>>> Hi David,
>>>> 
>>>> Thanks a lot for the information. I really like the concept, because it
>>>> is "tried and tested" and just a couple of "clicks" away.
>>>> I have most bits at home and will order the UDRC II at the first
>>>> opportunity.
>>>> 
>>>> 73,
>>>> Carlos VK1EA
>>>> 
>>>> 
>>>> Le jeudi 9 novembre 2017, David <david at vk3il.net> a écrit :
>>>>> Carlos,
>>>>> 
>>>>> If you want to go down the RPi/Direwolf route, there is a commercially
>>>>> available HAT for the RPi that provides a complete interface for 2
>>>>> radios - the UDRC II from NW Digital Radio -
>>>>> http://nwdigitalradio.com/category/udrc/ Originally it was designed to
>>>>> interface to a Yaseau DR-2 repeater, but it works fine driving other
>>>>> radios. I have it running in my car with both VHF and HF radios and it
>>>>> works well. Have a look at my blog entry for details:
>>>>> http://vk3il.net/projects/raspberry-pi-based-aprs-trackerdigipeaterigate/
>>>>> 
>>>>> 73
>>>>> 
>>>>> David VK3IL
>>>>> 
>>>>> On 9/11/2017 8:20 PM, Carlos Peco-Berrocal wrote:
>>>>> 
>>>>> Next time I go to your place you have to explain me how to do it.
>>>>> 
>>>>> Not a problem buying a $300 kit put together by someone, that is
>>>>> great. What I don't want to do is to end buying something proprietary
>>>>> I can not tinker with, I have plenty of that already.
>>>>> 
>>>>> cheers
>>>>> Carlos
>>>>> 
>>>>> 
>>>>> On 11/9/17, Glen English VK1XX <glenlist at pacificmedia.com.au> wrote:
>>>>> 
>>>>> Carlos
>>>>> 
>>>>> Have a look at dire wolf
>>>>> 
>>>>> you can run it on an $20 ARM platform....(like I do)
>>>>> 
>>>>> drawing 1/2 a watt....
>>>>> 
>>>>> and it does 300 baud HF.....
>>>>> 
>>>>> real easy
>>>>> 
>>>>> it's what ginini will be shortly, and isaacs... and and and
>>>>> 
>>>>> 
>>>>> On 9/11/2017 7:57 PM, Carlos Peco-Berrocal wrote:
>>>>> 
>>>>> Thanks Andrew/Mark,
>>>>> 
>>>>> Yep, I found that APRSDroid does 1200 bps only. I will explore the
>>>>> OpenTrackerUSB option, sounds interesting to me !
>>>>> 
>>>>> 73
>>>>> Carlos VK1EA
>>>>> 
>>>>> 
>>>>> On 11/9/17, Mark Jessop <lenniethelemming at gmail.com> wrote:
>>>>> 
>>>>> Looking through the APRS Droid options, I don't see the ability to
>>>>> generate
>>>>> 300 baud APRS (call it whatever you want, FSK or AFSK) output.
>>>>> In fact, there are no baud rate settings at all, just the choice
>>>>> between
>>>>> 'Internet' (APRS-IS), and 'Audio' (which I'm assuming is 1200 baud
>>>>> FSK,
>>>>> intended for use with a FM transceiver).
>>>>> 
>>>>> There appears to be an iPhone/iPad application 'APRSPro' which may do
>>>>> 300
>>>>> baud APRS, but I a cursory google search hasn't found an equivalent
>>>>> Android
>>>>> application.
>>>>> 
>>>>> Within my car I've used an OpenTrackerUSB configured into 300 baud
>>>>> mode,
>>>>> hooked into my Codan NGT SRx. These units are TX only however. At
>>>>> about
>>>>> AUD$50-60, it's fairly cheap way of getting HF APRS beaconing going.
>>>>> For a receiver, I'd probably recommend using Direwolf.
>>>>> 
>>>>> 73
>>>>> Mark VK5QI
>>>>> 
>>>>> 
>>>>> On Thu, Nov 9, 2017 at 6:20 PM, Andrew Rich <vk4tec at tech-software.net>
>>>>> wrote:
>>>>> 
>>>>> AFSK on Ssb results in fsk
>>>>> 
>>>>> Sent from my iPhone
>>>>> 
>>>>> On 9 Nov 2017, at 6:17 pm, Carlos Peco-Berrocal
>>>>> <carlos.peco at gmail.com>
>>>>> wrote:
>>>>> 
>>>>> Hi Andrew,
>>>>> 
>>>>> For HF as well ?
>>>>> 
>>>>> I thought it was AFSK tones for VHF only
>>>>> 
>>>>> cheers
>>>>> Carlos
>>>>> 
>>>>> 
>>>>> 
>>>>> Le jeudi 9 novembre 2017, Andrew Rich <vk4tec at tech-software.net> a
>>>>> écrit
>>>>> :
>>>>> 
>>>>> Aprs droid
>>>>> Google
>>>>> 
>>>>> Sent from my iPhone
>>>>> On 9 Nov 2017, at 5:38 pm, Carlos Peco-Berrocal
>>>>> <carlos.peco at gmail.com>
>>>>> 
>>>>> wrote:
>>>>> 
>>>>> Thanks Peter,
>>>>> 
>>>>> Any suggestion about how to generate APRS-FSK with android/windows ?
>>>>> 
>>>>> cheers
>>>>> Carlos
>>>>> 
>>>>> 
>>>>> Le jeudi 9 novembre 2017, Peter Wicklein <vk3tbn at hotmail.com> a écrit
>>>>> :
>>>>> 
>>>>> Mostly FSK and a few stations using robust packet
>>>>> 
>>>>> Regards
>>>>> 
>>>>> Peter
>>>>> 
>>>>> VK3TBN
>>>>> 
>>>>> 
>>>>> 
>>>>> Sent from my Windows 10 phone
>>>>> 
>>>>> 
>>>>> 
>>>>> ________________________________
>>>>> From: OZAPRS <ozaprs-bounces at aprs.net.au> on behalf of Carlos
>>>>> 
>>>>> Peco-Berrocal <carlos.peco at gmail.com>
>>>>> 
>>>>> Sent: Thursday, November 9, 2017 4:17:17 PM
>>>>> To: Australian APRS Users
>>>>> Subject: [OZAPRS] Status of the HF network ?
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> A couple of questions:
>>>>> 
>>>>> - What is the current status of the HF APRS network ? is people using
>>>>> FSK or that is something of the past and everybody moved to PSK63 or
>>>>> the likes of ?
>>>>> 
>>>>> - Which software do you recommend for HF APRS operation using a tablet
>>>>> (windows/android)
>>>>> 
>>>>> thanks,
>>>>> Carlos VK1EA
>>>>> _______________________________________________
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