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G4APL > PACKET 27.07.14 21:59l 83 Lines 2969 Bytes #999 (0) @ WW
BID : 61855G4APL
Read: GUEST
Subj: Re: World wide packet forwardig freq?
Path: IW8PGT<IZ3LSV<I0OJJ<GB7CIP<GB7CIP<GB7CIP
Sent: 140727/2046Z @:GB7CIP.#32.GBR.EU $:61855G4APL
T:From: Paul Lewis <g4apl@gb7cip.ampr.org>
T:Newsgroups: ampr.packet.general
T:Message-Id: <lr3o7o$luc$1@gb7cip.ampr.org>
Hi All,
My experience:-
Between November 2013 and January 2014 VK2NA and I (G4APL)
where experimenting two way communication
using 600bd Robust Packet on 21 and 28MHz short path
having 1 hour keyboard QSO on most days the band was open
Which was an amazing experience.
We were both using beams and 50watts. Also tested with lower power levels.
I was using my second backup system.
PACTOR was also used on the SHORT path on 21 and 28MHZ was well
for one to one and access to GB7CIP Pactor BBS/Gateway.
we were using SCS PTC Data Communications Controllers.
We could not get AMTOR to work, even with increasing the delays
On pactor we needed the Long Path delay enable to make the connection
over that distance using Pactor on the SHort and Long PAth
Oh! we were testing around gb7cip 21 and 28MHz pactor frequencies.
Conditions have gone down hill since January. Great fun will it lasted
Note VK2IO is packet
SYDNEY:VK2IO-1} Ports
5 7037.17 kHz
7 7036 kHz APRS
10 10147.6 kHz APRS
11 10148 kHz
14 14103 kHz LSB APRS (Net14)
15 14105 kHz LSB (Net 105)
Looking forward to experimenting again when conditions inprove.
73's all and have fun Paul g4apl@gb7cip
ut1hzm%ut1hzm.krem.pol.ukr.eu@gb7cip.ampr.org wrote:
>
> Hello Tubby and all.
>
>> From: VK4TUB@VK4TUB.#NQ.QLD.AUS.OC
>> To : PACKET@WW
>>
>> I am wanting to know what or if there is, an international packet
>> forwarding frequency world wide.
>
> May be there is not defined FWD frequency.
> "World-wide" HF packet is complex task, much depending
> on station antennas and propagation.
>
> Usually 20m meter band used for HF packet FWD for one propagation skip
> links, where most stable signal and time of propagation is possible.
> For example 1500 to 2500km distances, then other stations (if any)
> may forward messages to other area, behind this skip.
>
> There is bit more DX potential for PACTOR2-3 modes, but still very depending
> on station's
> antennas and propagation.(solar activity). Stations with wire HF-antennas
> still have low
> potential to make possible regular "world-wide" communication.
>
> So, my guess, if you like to start HF packet, just check for packet sounds
> on HF receiver,
> who other is active in range to 2000km from you, if you want to look for 20m
> band.
> (14090 to 14110 kHz)
>
> Also you can look for NET105 - it is users HF packet network, mostly active
> in US,
> but DX'es is welcome, look at 14105 LSB with 1600/1800Hz modem (KAM) tones.
>
> If nobody active on 20m in one skip from you, at least you can join on 30m
> band
> international HF APRS network on 10,147.6 MHz USB,
> there is someone always active from VK/ZL or even EU.
>
> 73, Sergej
>
--
amprnet g4apl@gb7cip.ampr.org ax25 g4apl@gb7cip.#32.gbr.eu
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