I found the older RBN records from RTTY Roundup on 20 and 40m. The signal
doesn't seem too bad.
Barry WA2VIU
--
Barry Jacobson
WA2VIU
bdj@alum.mit.edu
@bdj_phd
On Fri, Jan 20, 2023, 10:04 AM Barry Jacobson <bdj@alum.mit.edu> wrote:
> Hi Jim, I use the MFJ989D tuner which is quite capable and gets me 1:1 on
> all bands including 160 where the antenna is too short. It is fed with
> ladder line all the way from back of tuner to antenna.
>
> Attaching a screenshot of RBN listing from last Sat night NAQP CW using
> same setup. (I mistakenly used amp and became a checklog because exceeded
> 100 W limit). Same general setup as for RTTY Roundup the week before. I
> don't think the antenna is the problem. Have worked plenty of Europe and
> South America in DX contests. One thing I can't help is my property is
> narrow and antenna is oriented so that broadside is sort of North-South
> rather than East-West which I'd prefer. I think part of the issue is NY is
> a boring state that nobody really needs because so many hams there.
>
> Barry WA2VIU
>
> --
> Barry Jacobson
> WA2VIU
> bdj@alum.mit.edu
> @bdj_phd
>
> On Fri, Jan 20, 2023, 7:21 AM Jim Brown <k9yc@audiosystemsgroup.com>
> wrote:
>
>> On 1/19/2023 4:50 PM, Art Boyars wrote:
>> > KK9A knows a lot more than I do, but I don't think "poor antenna" is the
>> > main factor in this case. Lots of us get by with poor antennas. I run
>> > 100W to a 200-ft-long dipole, and I can run IF I pick my band correctly.
>> > (Of course, I'm talking about CW and some SSB; I don't do RTTY.)
>>
>> Yes, KK9A does know a lot more than you do. A resonant half-wave dipole
>> antenna is a very good match on odd harmonics and presents a VERY high
>> impedance a terrible match on even harmonics. A decent tuner can match
>> your 200 ft-long dipole on bands where it is NOT a very high impedance.
>>
>> I agree that propagation could have been at play. By the end of RTTY RU,
>> 20M might not have been jumping between W6 and W2, and 40M certainly
>> does sometimes go long.
>>
>> 73, Jim K9YC
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>
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