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Wider ranges to detect FT8/FT4 in "Guess mode based on frequency" function #85

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Ian Renton
2025-11-25 21:32:48 +00:00
parent 4e427f26c3
commit 296cdb3795
1 changed files with 14 additions and 1 deletions
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15
core/lookup_helper.py
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@@ -418,7 +418,20 @@ class LookupHelper:
# Infer a mode from the frequency (in Hz) according to the band plan. Just a guess really.
def infer_mode_from_frequency(self, freq):
try:
return freq_to_band(freq / 1000.0)["mode"]
khz = freq / 1000.0
mode = freq_to_band(khz)["mode"]
# Some additional common digimode ranges in addition to what the 3rd-party freq_to_band function returns.
# This is mostly here just because freq_to_band is very specific about things like FT8 frequencies, and e.g.
# a spot at 7074.5 kHz will be indicated as LSB, even though it's clearly in the FT8 range. Future updates
# might include other common digimode centres of activity here, but this achieves the main goal of keeping
# large numbers of clearly-FT* spots off the list of people filtering out digimodes.
if (7074 <= khz < 7077) or (10136 <= khz < 10139) or (14074 <= khz < 14077) or (18100 <= khz < 18103) or (
21074 <= khz < 21077) or (24915 <= khz < 24918) or (28074 <= khz < 28077):
mode = "FT8"
if (7047.5 <= khz < 7050.5) or (10140 <= khz < 10143) or (14080 <= khz < 14083) or (
18104 <= khz < 18107) or (21140 <= khz < 21143) or (24919 <= khz < 24922) or (28180 <= khz < 28183):
mode = "FT4"
return mode
except KeyError:
return None