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Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
To All,,
Off topic Subject, but lots of experience in this group, so I am going
to ask,,
IS anybody familiar with EMI testing of HF radios for Helicopters,
specifically test parameters for ADS-51-HDBK specifications,,
Anyone have info please email me direct at wa8...@wa8wzg.net
Thanks in
Guys
Just for clarification I mentioned a QSO on 160 between PY3 and 4W SSB low
power when there is no darkness near PY3 SR, only few minutes near SS.
During winter I can hear Europe on 40 m all day long in South Florida, it is
very common on 40m. Not the same on 160m.
73's
JC
N4IS
I worked a UA station in Vladivostok on 160 meters and it was two hours
after his sunrise. This was in winter, so his Sun never got up very
high. At the time I did not pay attention to the contact as I was
rather clueless about 160 prop. Later on, I started wondering about it.
Was it real?
I hasten to point out the obvious, that 40 meters and 160 meters are two
different kettles of fish! Lots of DX on 40 at mid-day doesn't translate
too well to 160. And while I agree with Clive, GM3POI, that one should
probably not say "never" when talking about propagation, if something
looks,
Just FYI...
I'm hearing the following DX on 40m between 1 and 2 PM CST, November 20th.
Dipole antenna at 60' running E-W, obviously hearing well over the North Pole.
EA5XC, HA1RB, CO2VK, EA4GJP, ON1AEY, EA1IMP, DF8KI, PD2HAB, EA4GJP, I0WBX,
DJ0FX, CU8FN, EB1BVP, EA4AQQ, SP6IXF, PC5W, TF1A,
One of our SADXA members just wrote a paper about the possibility of daytime
40-meter DX during mid-December.
But on this subject I would like to know who made the ONE 160-meter SSB QSO with
VP6D.
Wes N7WS
On 11/20/2018 11:57 AM, Clive GM3POI wrote:
JC I think you have to be careful about
Guy
What a terrific tutorial, I really appreciate you taking the time. I agree
with you that this would be a good FAQ for others contemplating this idea.
I am content with making the toroid as specified as I have most of the
materials to hand and will search for those tx caps. I will also look
JC I think you have to be careful about saying this daytime or that qso
could not have happened. "It entirely depends where the station is located."
An example, I have a QSL with three QSOS between me and a JD1 station all
within about 15 mins of each other, on different dates and centred on
Hi, David,
Regarding the FCP 160-80 meter dual banding project and circuit component
sizing particulars ... I completely understand the urge to downsize.
However, the devil is in the blasted details.
This question faithfully recurs from time to time: Can we use smaller wire,
use a smaller core,
Hi Guys
Here what I think is the problem. DXCC records and link accounts. This is a
problem with CQ WAZ as well. Here some examples, Back in late 80's a PY1
send 40 cards to claim CQ WAZ 40 zones on 160m, just after HB9AMO Plaque #
1 - 13 June 1987 . K1MEM sent a letter to PY1RO to check the
I'm a 160 meter DXCC card checker...so I thought I would respond to this.
First of all let me say that the DXCC card checkers really need to have an
updated manual so that all card checkers have the same understanding and
there is a reference to refer to. As far as I know there is none although
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