[GreenKeys] Re: SELCAL - auto start proposed
John Burch
[email protected]
Sun, 18 Apr 2004 18:21:21 -0600
Why not 60 WPM? Many of us still have the gear.... (pun intended)
73 de John
..
----- Original Message -----
From: "Bob Camp" <[email protected]>
> You can count me in as well.
>
> How do we address the sort of thing that pretty much killed both the
> VHF and HF nets I used to run on? Everything was ok as long as 60 wpm 5
> level code was king. 100 wpm (as in model 28's) started to make people
> itchy. As soon as 300 baud and ASCII came along you started to get lots
> of junk printouts .... made things a bit of a mess.
>
> A couple of possible options:
>
> 1) Just define it from the start as 100 wpm five level and that's the
> way it's going to be. Model 33's will have to be happy sitting on the
> side lines or run eight level to five level converters.
> 2) Go with 110 baud ASCII and do five level to eight level conversion.
> 3) Go with something truly weird and convert to what ever you need
> (like run PSK modulation ....)
>
> My vote would be for five level code at 100 wpm with 170 shift FSK as
> the modulation. That way we can run the good old stuff if we want to.
> I'd be happy if the group decided on 60 wpm to let the 15's and 19's
> participate. I only have 28's at this point ....
>
> As far as SELCAL goes I would suggest a a slight departure from the
> past. I would *enable* the ability to use a solid state gizmo to read
> off the SELCAL and then fire up the model 28 using a solid state relay.
> Receive operation would be more like a VHF net in that respect. More or
> less send the magic words three or more times then follow with CR and
> LTRS combo's to let give the receiving machines time to get up to
> speed. The only need to send it all would be at the start of a QSO.
> It's a little bit more of a delay than a "normal" hf net but a lot less
> wear and tear on the machines.
>
> I have a novel proposal as far as bands are concerned - modern HF seems
> to be hung up on adaptive link stuff. There's no reason why we can't do
> more or less the same thing. Receivers aren't the big deal they once
> where. Why not do something like define the band based on the time of
> day. If it's mid day the net is on 20 meters. If it's early evening
> it's on 40 and it's on 80 at night. Poor mans ALE ... We'd need a
> definition of who's morning noon and night we were talking about but
> that's pretty easy. Heck put it all in a spread sheet and post it. The
> only odd part would be deciding when to shift a QSO in progress.
>
> One thing we do need - a net control who's willing and able to send the
> daily bulletin. That's what defines on frequency and proves that you
> can or can't bring up the machine correctly.
>
> Take Care!
>
> Bob Camp
> KB8TQ