Παρασκευή 21 Μαρτίου 2025

Response to an article called QSL CHEATING

Here is my response to a blog of Rob Wagner to a article called QSL and cheating  with SDRs  The text below is  a a bit unabridged (ie lengthier ) with some additions which not provided so far in the reply. 

First  note that  I m not only a DXer but also a blogger with many pages  all  related to gadgets  and shortwaves: one for the logs , one for gadgets and a third  for signal analysis  and other radio related.
After long time of listening to the radio and since 2019  with SDRs  I finally was enforced to be only with one …laptop and  a router due to isolation in one room  as the family and parent conditions forced  me to move between  3 places the last 4-5 years , MY final point is in the city with the radio setup as noted above. If you are interested in more detail I have put the story in a separate  web  page:
Now to the subject. 

Although  I have  read from an email that kSDRs as I call them , (please add this term to the jargon!) that it is very easy to cheat with them, I totally disagree with that . The thing is very simple. Instead form what a typical Xer can do  ie just send e email  and  note that he heard the station without adding some foolproof information that a r-SDR can offer , he is surely cheating  
.
I was  always a sincere radio listener  and especially after the use of SDRs,  I preferred to send tbe material  below to the radio station that goes two steps further than a typical report with SINPO: (just think of using SDR console)

-An audio recording. Sometimes if you are interested in long recs it’s better for reconverting them in lower bitrates. WMA is suggested in such cases
-Screenshot of the SDR program, this can show the spectrogram and also some of the waterfall
-if possible, a long waterfall as derived from SDR Console This is good for the station to know for a possible interference
-A screenshot of the Signal history. this is useful for the propagation effects
This is my norm of sending emails to radio stations. Note that I totally against SINPO as  far as  SDRs are concerned.

The same things can be done easily with a WebSDR or kSDR with the timestamp active.  Note that the user MUST first  convert the WAV file  into MP3 format.
All this above information might be helpful to any radio station as a PROOF OF RECEPTION.  always send this material packed into a zip file . Most times I  had  responses except from stations  not accepting SDR reports,

addition 1 :  some station examples

There are  several stations with policy against remote SDRs or even your SDRS!
Joystick from Germany was  my first experience  He can only accept reception reports with a real radio with minimum time of 15 minutes. I was awarded twice after sending him with my radio and mp3 rec connected. They   transmitted via  Moosbrun  Austria till end last  year on  7330 the fist Sunday of the month .This years they use  a transmitter via UK on 11805 on 11z  with the same3 manner.

Some others  which don’t respond to remote SDR receptions :
Most other  German stations i had the same problem with MRI Marconi radio from Italy
Nikkei , they sent me message that they stopped QSLing via internet . Same is now for NHK as they discontinued responding for QSLing .  Older times  i was a local monitor for them for around 1 year when they stopped this kind of cooperation . 

In the other side there are many stations which responded very fast as : VoMongolia,  Wai FM Malaysia  and R Pilipinas.  They   reply in just one day!
The longest was R Marti  around 2-3 months and  SOHope. TW  Via snail  mail. SoHope is a spacial case already posted before in this blog as Fu Xin!
A few radio stations know me as a signal specialist!


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