Return to KLUBNL.PL main page

rsgb_lf_group
[Top] [All Lists]

Re: LF: Re: LF/MF X-Band Request

To: [email protected]
Subject: Re: LF: Re: LF/MF X-Band Request
From: John Rabson <[email protected]>
Date: Thu, 22 Dec 2011 12:02:35 +0100
In-reply-to: <002701ccc093$214c3630$0401a8c0@xphd97xgq27nyf>
References: <30861193.35411.1324494385252.JavaMail.www@wwinf8214> <000401ccc018$6efdb2d0$0401a8c0@xphd97xgq27nyf> <000e01ccc01b$d9d8dd20$0401a8c0@xphd97xgq27nyf> <29523937.28914.1324501254659.JavaMail.www@wwinf8301> <[email protected]> <301952.39427.1324535683850.JavaMail.www@wwinf8301> <13421988.59017.1324541453448.JavaMail.www@wwinf8211> <000f01ccc085$db547370$0401a8c0@xphd97xgq27nyf> <17963500.64012.1324544889275.JavaMail.www@wwinf8210> <002701ccc093$214c3630$0401a8c0@xphd97xgq27nyf>
Reply-to: [email protected]
Sender: [email protected]
Ben,

On receive it is the SNR that matters.  It is a good idea to have a loop 
(preferably rotatable) as well as a long wire, so you can choose which gives 
better reception. 

I have found a 2x 2 metre air-cored loop very effective for receive on 137. 

73
John F5VLF

On 22 Dec 2011, at 11:19CET, mal hamilton wrote:

> Hi Ben
> RX antennas seem to be the problem for most. A very effective antenna is a
> piece of insulated wire as long and as high as possible resonated for the
> frequency of interest and a good sensitive RX. All other types of small
> antennas ie ferrite rods, micro probes, etc are alright for receiving
> broadcast high power stations or amateur QRSS acty but poor for CW
> reception.
> I have noticed EU stn on LF can only work their neighbours using QRS because
> of poor RX antennas, not enough sensitivity for CW.
> Sending out a Beacon is the easy part but conducting a cw QSO is a different
> ball game.
> Hope you get yours fixed
> mal/g3kev
> 
> 
> ----- Original Message -----
> From: "manginbenoit.pro" <[email protected]>
> To: <[email protected]>
> Sent: Thursday, December 22, 2011 9:08 AM
> Subject: Re:LF: Re: LF/MF X-Band Request
> 
> 
> GM Mal,
> 
> 
> That's actually the case. RX problem still here. I heard a signal in the
> noise, tried
> to dig it out, but did not success.
> 
> Your signal should not be so hard to copy from this QTH.
> 
> Now QRT too, trying to solve the thing.
> 
> TNX trying. I'll post later on abt problem solving and back on trafic.
> 
> de F8GRY/Ben
> 
> 
>> Message du 22/12/11 09:53
>> De : "mal hamilton"
>> A : [email protected]
>> Copie à :
>> Objet : LF: Re: LF/MF X-Band Request
>> 
>> Om
>> You seem to be on BEACON MODE and not listening.
>> I have called you but you are not responding or your RX/ANTENNA is not
>> working
>> Now QRT here
>> de G3KEV
>> 
>> ----- Original Message -----
>> From: "manginbenoit.pro"
>> To:
>> Cc: "rcf5kmb googlegroups com"
>> Sent: Thursday, December 22, 2011 8:10 AM
>> Subject: LF: LF/MF X-Band Request
>> 
>> 
>> GM All,
>> 
>> Starting CQing X-Band on 7022, QSX 136.500, seems the SDR is in better
>> health now.
>> 
>> de F8GRY/Ben
>> 
>> Une messagerie gratuite, garantie à vie et des services en plus, ça vous
>> tente ?
>> Je crée ma boîte mail www.laposte.net
>> 
>> 
>> 
>> 
> 
> Une messagerie gratuite, garantie à vie et des services en plus, ça vous
> tente ?
> Je crée ma boîte mail www.laposte.net
> 
> 
> 
> 



<Prev in Thread] Current Thread [Next in Thread>