Message-ID: <20091111205433.kpticpwlwooc8s0s@webmail6.kuleuven.be>
Date: Wed, 11 Nov 2009 20:54:33 +0100
From: Rik Strobbe <Rik.Strobbe@fys.kuleuven.be>
To: "jwfisher@alumni.princeton.edu" <jwfisher@alumni.princeton.edu>
Cc: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
References: <20091111075814.94NGA.7351.root@tormtz04>
In-Reply-To: <20091111075814.94NGA.7351.root@tormtz04>
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Subject: RE: LF: 500 kHz WSPR de VE1JF
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Jim,

I just returned home (19:45 UTC) and started WSPRing.
WX is still dry. If the WX forecast is ok I leave the TX on after =20
going to bed (+/- 23UTC) otherwise I will shut down.

73, Rik  ON7YD - OR7T

Quoting "jwfisher@alumni.princeton.edu  NOT" <jim.fisher@ns.sympatico.ca>:

> OK, Rik--unless I hear from you today that the wx did NOT stay dry  =20
> and you are not going to be QRV, I will set up around 1830 to  =20
> monitor and spot on 600M for at least a couple of hours. Is that OK? =20
>  Otherwise, I have switched from 160 WSPR overnight to 15 WSPR and  =20
> plan to run that all day unless my antenna projects require the rig.
>
> MNI TNX for the rig info. I have a transverter output available so  =20
> believe I could skip the attenuator, but otherwise I am thinking  =20
> along similar lines.
>
> Might it be feasible for you to send me a circuit diagram by an  =20
> attachment I could forward to my colleagues?
>
> 73,
>
> Jim
> you might be interested in the QTH as shown on QRZ.COM, VE1JF.COM  =20
> and (unless it is replaced with another picture) http://rac.ca/tca.
> ---- Rik Strobbe <Rik.Strobbe@fys.kuleuven.be> wrote:
>> Jim,
>>
>> the transverter is in the prototype / breadboard stage.
>> It is original in the way that it is my own design, but it is just a
>> classic transverter:
>> - Kenwood TS440 on 4.5MHz (in fact 4.5024MHz USB for WSPR) at minimum
>> power (abt. 1 Watt)
>> - 30dB attenuator (1W to 1mW)
>> - DBM (SBL-1) fed with a 4MHz xtal osc as downmixer to 500kHz (502.4kHz=
)
>> - single transistor (BC550c) post amp, about 10mW out at 50 Ohm
>> - 5 pole LPF
>> - PA 10mW to 50W
>> - 7 pole LPF
>> - antenna
>>
>> I will be transmitting WSPR tonight (11-11) if WX stays dry.
>>
>> 73, Rik  ON7YD - OR7T
>>
>> Quoting "jwfisher@alumni.princeton.edu  NOT" <jim.fisher@ns.sympatico.c=
a>:
>>
>> > transverter design original? could I see details?
>> >
>> > 11 November would be a possibility for me to monitor for you.
>> >
>> > 73,
>> >
>> > Jim
>> > ---- Rik Strobbe <Rik.Strobbe@fys.kuleuven.be> wrote:
>> >> Hello Jim,
>> >>
>> >> > Not tonight, Rik--I am committed to compared 160 WSPR with VE2DC=
 in
>> >> > Quebec (who will also be
>> >> > Participating in the 500 kHz experiments and has already copied an
>> >> > M0 there); anyhow, I
>> >> > Have to leave before 2200 for a meeting this evening. Tx is on 160
>> >> > WSPR and I'll turn spotting back
>> >> > on as I leave the house. (Still dial-up around here, so it's eithe=
r
>> >> > internet or telephone!)
>> >> >
>> >> > Would be happy to do it some other evening, though!
>> >> No problem, we will try another night.
>> >>
>> >>
>> >> > How do you generate a WSPR signal on 500 kHz?
>> >> Kenwood TS440 on 4.5MHz into a homebrew transverter 4.5MHz -->
>> >> 500kHz + 50W PA
>> >>
>> >> 73, Rik  ON7YD
>> >>
>> >
>> >
>>
>>
>>
>
>