[OZAPRS] Fw: 40M APRS frequencies
Gordon at thetaylorclub.com
Gordon at thetaylorclub.com
Sun Dec 3 18:23:25 AEDT 2017
I’m currently running an SCS DSP Tracker, sitting on 7.048.60. Will leave it there for a few days and see what I here
Regards
Gordo VK4VP
From: OZAPRS [mailto:ozaprs-bounces at aprs.net.au] On Behalf Of Graeme
Sent: Sunday, 3 December 2017 16:49
To: Australian APRS Users <ozaprs at aprs.net.au>
Subject: Re: [OZAPRS] Fw: 40M APRS frequencies
Thanks Gerard.
From: Gerard Hill
Sent: Sunday, December 3, 2017 5:44 PM
To: Australian APRS Users
Subject: Re: [OZAPRS] Fw: 40M APRS frequencies
Hi Graeme,
The two centre frequencies are 1430 Hz apart so the APRS activity is not disturbed by all the connected mode activity from the PMSs, KA-nodes, BPQ-nodes and the BBS.
Cheers,
Gerard - VK2IO
On 3 December 2017 at 17:13, Graeme <graeme at abrona.com.au <mailto:graeme at abrona.com.au> > wrote:
Thanks Gerard. That’s the same link that Josh sent me privately.
Why the 2 slightly different frequencies?
Graeme 2HFG
From: Gerard Hill
Sent: Sunday, December 3, 2017 4:37 PM
To: Australian APRS Users
Subject: Re: [OZAPRS] Fw: 40M APRS frequencies
Hi Josh,
Checked the IGate log here and you're not in it yet. The path would be via ground wave so it would help to not be in an RF hole. NVIS propagation is limited at the moment.
Beacon rate here is once per hour with two packets in the beacon.
For testing on receive, tune to 7047.17 kHz where there are many beacons and a lot of packet activity from several stations in VK2 and one in VK4. My IGate operates there too.
Graeme, the HF Gateway Table on the aprs.net.au <http://aprs.net.au/hf/hf-gateways/> site is out of date.
The most current one is in the archive here <https://web.archive.org/web/20161029215543/http:/aprs.net.au/hf/hf-gateways/> and it has the correct frequencies.
Cheers,
Gerard - VK2IO
On 3 December 2017 at 15:44, Josh <vk2hff at vk2hff.ampr.org <mailto:vk2hff at vk2hff.ampr.org> > wrote:
QF55ix, S/W Sydney. Roughly 40km SSW from VK2IO's 40m igate.
On 3/12/2017 3:31 PM, Glen English VK1XX wrote:
> where are you Josh?
>
>
> On 3/12/2017 3:28 PM, Josh wrote:
>> I briefly tried 40m APRS with my OT+ a few months ago but wasn't able to
>> get through to any igates.
>> I'm now running a Direwolf tracker in my car, so I've added a 300bps
>> modem on 7048.6 LSB today.
>> Currently I'm beaconing every 10 minutes with 50w but so far I haven't
>> been igated and I haven't heard any frames either.
>> I'm in a bit of a HF black hole here though, so might have to go for a
>> drive to do a proper test.
>>
>> - Josh VK2HFF
>>
>>
>>
>> On 3/12/2017 12:24 PM, Scott Evans wrote:
>>> That's why I'm on 40m too! 😉 the shift up in frequency was to align
>>> with the WIA band plan. As I've mentioned on this many times, I'm
>>> beaconing every 10 minutes with a maximum power output of 25w pep into a
>>> Hustler 5-BTV
>>>
>>> That frequency is your dial frequency for using 1600/1800Hz tones,
>>> however as I'm using a PK232MBX with DSP filter (after market addition
>>> from Timewave) my dial frequency is 510hz higher at 7.049110 LSB to
>>> compensate for the 2110/2310Hz tones of the PK232MBX!
>>>
>>> I'm using APRX with a 40m and a 2m ports, so anything heard on either is
>>> forwarded directly to T2TAS.
>>>
>>>
>>> On Sun., 3 Dec. 2017, 11:53 Graeme, <graeme at abrona.com.au <mailto:graeme at abrona.com.au%0b>
>>> <mailto:graeme at abrona.com.au>> wrote:
>>>
>>> Thanks Scott for confirming the frequency listed in the gateway
>>> table. As my licence is only standard I don’t currently have
>>> access
>>> to 30m.
>>> Graeme 2HFG
>>> *From:* Scott Evans
>>> *Sent:* Sunday, December 3, 2017 11:40 AM
>>> *To:* Australian APRS Users
>>> *Subject:* Re: [OZAPRS] Fw: 40M APRS frequencies
>>>
>>> Current frequency for 40m is 7.048600 LSB (1600/1800Hz) as far as
>>> I'm aware there's only VK2IO & myself (VK7HSE) but it's possible
>>> there's more but that's all that I'm aware of...
>>>
>>>
>>> On Sun., 3 Dec. 2017, 10:42 Graeme, <graeme at abrona.com.au <mailto:graeme at abrona.com.au> > wrote:
>>>
>>> Question now answered - I’ve been directed to the HF Gateway
>>> table rather than the obsolete HF APRS frequency table on the
>>> same site.
>>> *From:* Graeme
>>> *Sent:* Sunday, December 3, 2017 10:03 AM
>>> *To:* OZAPRS at aprs.net.au <mailto:OZAPRS at aprs.net.au>
>>> *Subject:* 40M APRS frequencies
>>> Is the HF frequency table shown on aprs.net.au <http://aprs.net.au>
>>> <http://aprs.net.au>, particularly for the 40M band but also
>>> the
>>> 20M band, correct? 7036.00 appears to be outside the current
>>> WIA band plan digital frequencies.
>>> Thanks,
>>> Graeme 2HFG
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