[Dxspider-support] Blocking FT8 spots

Danilo Brelih danilo.brelih at siol.net
Sat May 21 12:49:53 BST 2022


Hi

If it's in anyone's interest. I would use the following filter rule for HF CW 
contests on my latest DXSpider V1.57 build 441. What I want to achieve is:

with SPOTS:
- I reject DIGI mode spots
- I accept all spots on CONTESTHF bands on CW portion of the bands and rejects 
all others
- I accept all spots generated by spotting callsign within the CQ zone 14,15,16 
and rejects all others

with RBN:
- I accept all rbn spots on CONTESTHF bands on CW portion of the bands
- I accept all rbn spots generated by spotting skimmer callsign within the CQ 
zone 15 and rejects all others
- I accept only rbn spots heard from more then 2 skimmer stations, i.e. Q is 
greater then 2.

S50U : spots
  filter1 reject info {\bft\d|psk\d|rtty\d|fsk\d|jt\d|js\b} and ( freq 1838/1842 
or freq 3573/3590 or freq 7040/7048 or freq 7074/7078 or freq 14071/14090 or 
freq 21074/21140 or freq 28070/28120 )
  filter2 accept freq contesthf/cw and by_zone 14,15,16
S50U : rbn
  filter1 accept on contesthf/cw and by_zone 15 and info {q:[2-9]}
S50U de S50CLX 21-May-2022 1110Z 2.4481  dxspider >

The interesting thing about all this is that some DIGI spots still get past the 
filters rule. I can't find a pattern, but it works for me that the rule doesn't 
dump spots where the filter doesn't find the string we're looking for in the 
comment field. If blank then spots are rejected by from/to freq selection.
Dirk what do you think?

Some examples where the above filter does not dump SPOTS by reject info rule 
correctly. Seems only spots with some info in comment filed are passed on, empty 
field cut them successfully!

R1CAV	14074.9  HG0WFF      0657Z 21 TNX 73
OK2TRN	14080.0 +IQ8BV       0851Z 21 GIRO D???ITALIA AWD TNX
IU5AXT	14085.0  IQ5QO/IS0   0920Z 21 IFF183 DLI IS0-102 correct reference number
DF6JF	14074.0 +SV1SSL      0920Z 21 tu 73 gl op at DL1640Y
EW6AS	21076.0 +LZ2KTS      0656Z 21 tnx QSO
PA3GPU	21074.0 +EA5MR       0816Z 21 CDM EA*
IZ2UTE	21074.0  EW1ZR       0821Z 21 73
DJ7YP	21076.2 +9K2NO       0852Z 21 tnx good dx
IZ3ERM	28075.2 +VK7NET      0628Z 21 tnx
OZ1MFP	28074.0 +4S7VG       0704Z 21 JO55SK<>MJ96WW cq
S53R	28080.0 +9N7AA       0730Z 21 FH calll 1000Hz+

73 Dan, S50U


> Or without the spurious bracket:
>
> REJ/SPOTS 9 info {\bFT\d|PSK\b} and (freq 14071/14090 or freq 21074/21091 ...)
>
> This will only work on reasonably up to date mojo branch nodes. You can add 
> more strings to test for, all separated by a '|' character.
>
> For master branches you have to use something similar to Danilo's suggestion 
> but I would add brackets:
>
> REJ/SPOTS 9 (info FT4 or info FT8 or info PSK) and (freq 14071/14090 or freq 
> 21074/21091).
>
> 73 Dirk G1TLH
>
> On 10/05/2022 22:13, Dirk Koopman via Dxspider-support wrote:
>> Try:
>>
>> REJ/SPOTS 9 (info {\bFT\d|PSK\b} and (freq 14071/14090 or freq 21074/21091 ...)
>>
>>
>> On 10/05/2022 14:48, Danilo Brelih via Dxspider-support wrote:
>>> Joaquin via Dxspider-support je 10.5.2022 ob 14:43 napisal:
>>>
>>> I usually suggest using:
>>>
>>> REJ/SPOTS 9 info FT4 or info FT8 or info PSK
>>>
>>> The problem are DIGI spots without  a rejected string in the comment field. 
>>> In this case I would add:
>>>
>>> REJ/SPOTS 9 info FT4 or info FT8 or info PSK and (freq 14071/14090 or freq 
>>> 21074/21091) ... etc for FT frequencies. The problem in this case is the 
>>> freq overlap with other modes in frequency range. Does anyone see a better 
>>> solution?
>>>
>>> CUL Dan, S50U
>>>
>>>
>>>
>>>
>>>
>>>
>>>> Mike,
>>>> The obvious would be: rej/spot info FT8
>>>> 73 de Kin
>>>>
>>>>
>>>> El 10 may. 2022 14:34, Michael Walker via Dxspider-support 
>>>> <dxspider-support at tobit.co.uk> escribió:
>>>>
>>>>     Hi All
>>>>
>>>>     Is there a user filter to easily block FT8 spots?
>>>>
>>>>     I was trying reject things, but it was going well.  :)
>>>>
>>>>     Mike va3mw
>>>>
>>>>
>>>
>>> -- 
>>> Osti jarej! <http://www.hervardi.com/osti_jarej.php>
>>>
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>>
>>
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>
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-- 
Osti jarej! <http://www.hervardi.com/osti_jarej.php>
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