[Towertalk] Re: C3/4 17 & 12 Patterns

[Gorsline]

> Jim - I can't help on the stack - have only a C3S roof mounted in the centre of
> the city to offer observations on.  Pattern on 12m is out the front (that is
> same as 10-15-20), but not much gain or F/B.  Yes you need an external tuner
> unless feedline is just the right length - pretty reactive.  17m is out the
> back end as Force12 claims, again not that much gain or F/B.  Rig internal
> tuner handles OK.  Doesn't do too bad though - have DXCC on each band and
> worked the TN3W on three calls on 17m and didn't even turn the beam around for
> best gain.  Noticed about 1 S unit better when I did turn it around to the
> right direction ("backwards").  Of course, they're always easy to work when
> they're not a new one - HI.

73,  George  VE3YV / K8HI

>
>
> Message: 9
> From: "Jim Reid" <jimr.reid@verizon.net>
> To: "towertalk" <towertalk@contesting.com>
> Date: Fri, 24 May 2002 14:22:37 -1000
> Subject: [Towertalk] C3/4 17 & 12 PatternsS
>
> Hi,
>
> Have been attempting to QSO on either 17 or 12 m
> with the TN3W yl in the Congo.  So far no luck.
> Am using a Force 12 C4 (C3 with the 40 meter dipole
> on the boom between the mast mount and the 15 and
> 20 meter reflector elements).
>
> I recall that the C3 is supposed to have a bit of gain in
> the "reverse" direction on 17 m;  but have no recollection
> of directivity other than that "it works" on 12 m.  Of course,
> I must use a tuner to match on either of these bands,
> unlike the others (20, 15, 10) where the tuner is mostly not
> needed.
>
> Anyone have any info about the pattern/gain,  if any,  on these
> two bands with the 40 meter element on the boom (if that
> makes any difference).
>
> Unfortunately,  the optimum times for a KH6/TN QSO is early
> morning (like 6AM) in the Congo.  So far they have slept
> through from about 3 AM their time,  not operating again
> until about 9:30 or 10AM in Brazzaville!  I have been
> encouraging the pilot station to ask them to not operate
> so late one of the two or three remaining days.  Go to
> bed earlier than 3 AM,  and get up for a couple hours
> of operating from,  say 5:30 to 7:30 AM;  so far they have
> shown no interest in such operating hours,  hi.  Both operators
> are still on right now,  about 1:30 AM their time,  so guess
> Saturday morning their time will not be a 6AM operating
> day either.  The 12 meter signal is Q5 here now though
> very light;  but the fellow on 21295 is not even copyable,
> no signal heard at all.
>
> 73,  Jim  KH7M
>
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