[Spooks] Differences between 18Mhz and 6Mhz V2a

[Brandon Longo]

Particularly odd is that the 50 Hz frequency doesn't correspond with the 
signal strength, S9+20dB (on my radio and location) usually comes from North 
America. Perhaps Pedro's >15 MHz transmitter requires 50 Hz and is being run 
off a generator, but this doesn't explain the lack of "Atencion" (unless 
they removed it, as I never made it to a 5/6 MHz transmission in time to 
check). If I remember where I put my recordings from last year I might be 
able to find a SSB recording of V2a 13380 kHz in AM mode; that should show 
the carrier and the associated hum. For now, I'll build and test a loop 
antenna and DF the source.

-----Original Message----- 
From: Rene Matthijssen
Sent: Monday, July 02, 2012 4:17
To: Shortwave Spy Numbers Stations
Subject: Re: [Spooks] Differences between 18Mhz and 6Mhz V2a

Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from 
this list

My guess would be not only a different transmitter site, but even a
different country.

  * See:
    http://www.school-for-champions.com/science/ac_world_volt_freq.htm
    for an explanation.
  * Also:
    http://www.school-for-champions.com/science/ac_world_volt_freq_list.htm
    for a list of countries and their voltages / frequencies.

Unless it runs generator power half the time, which would be unlikely.
Rene - VE6WCA



On 12-07-01 09:51 PM, Brandon Longo wrote:
> Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from 
> this list
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> I've noticed that the AC hum on the 18 MHz daytime V2a transmission was 50 
> Hz, while the 6.8 MHz nighttime V2a is 60 Hz. Would this indicate 
> different transmitter sites?
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