Hopper-v2

[Roger M1CDQ]

well its nice to know my horus decoder on windows is working well.
Im picking up Hopper-v2.  437.600 Mhz  off the dutch coast  from Grimsby 

[Steve]

Just seen your getting them beyond the 0 degree horizon ring - nice going.

    Steve G8KHW

On 22/09/2025 19:04, 'Roger M1CDQ' via UKHAS wrote:

well its nice to know my horus decoder on windows is working well.

Im picking up Hopper-v2.  437.600 Mhz  off the dutch coast  from Grimsby  --
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Virus-free.www.avg.com

[Roger M1CDQ]

Using a kenwwod ts2000 and a X7000 vert triband antenna for 2m,70cm,23cm at 30ft in the air. Still hearing it now.  Only odd decodes now 

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[Roger M1CDQ]

Lost signal at 2310hrs 

[David Brooke]

Thanks for sending your initial email, I'd not spotted that there was a
flight within range.

Reception had only been sporadic after 21:41 UTC but this was my last
packet:

2025-09-22 22:15:08,885 INFO: Decoded Binary Packet (SNR -5.5 dB):
$$HOPPER-V2,561,22:15:03,53.69946,7.09342,15781,55,11,-28,2.47,0.14,0.0,0,0.0*B698

I use a 1/4 wave GP with masthead HABAmp (which is probably no help at
437.6 MHz) at about 8m AGL to an RTL-SDR v3 and horusdemodlib on a
headless Pi.

The 4FSK generally performs well but in this case, as the frequency
seemed stable, I'd tuned more accurately and reduced the decoder
bandwidth from 10kHz to 4kHz which seemed to help.

David G6GZH

[Roger M1CDQ]

I saw your reports . Showing good signal strength.  I lost is around 2100ish  but did pick up about 2130 for another 10 mins 

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