Sinager (IZ0MJE)

434 posts

Sinager (IZ0MJE)

Sinager (IZ0MJE)

@SSinager

Doing things with radios and computers. Studying intelligence through the cold war. Specialization Is for Insects.

Rome, Lazio Beigetreten Nisan 2017
242 Folgt279 Follower
Adhito
Adhito@alpha_adhito·
@SSinager @lambdaprog @airspy_com Yeah it look like it, I was confused why the usual USB modulation doesn't work on the signal until I switched to AM. But does CB radio capable to transmit outside 11m band? At least not the unmodified one
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Adhito
Adhito@alpha_adhito·
Anyone knows what is this? I was searching for someone on 10m using my @airspy_com HF+ and found plenty of these stations. Also modulate on AM not the usual USB #HF #SDR
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BG0AUB
BG0AUB@ZhaoFen37759626·
Oops😟, guess what this is MMIC, I couldn't find anything from the screen print...
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Mini AZ-EL rotator in progress. Arduino Mega with the amazing K3NG software LCD & button shield Cheap tilt & pan mount L298 H-bridge HMC5883L digital compass ADXL345 accelerometer
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
@vittben No clue. Pity I didn't think about following it and see if there was a repeating pattern.
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victor I3VFJ
victor I3VFJ@vittben·
@SSinager self- oscillating PA??? poor in-out insulation....
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victor I3VFJ
victor I3VFJ@vittben·
@SSinager oggi sono già uscito... domattina sarò principalmente alla SDRA
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victor I3VFJ
victor I3VFJ@vittben·
I am here!!!
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Bosco
Bosco@BoscoMac·
I see some spikes on the HP 8593E Spectrum Analyzer and am trying to find the source. It comes and goes.
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Measure taken with 40dB attenuator, so about 4dB gain. Also idle current doesn't match datasheet typical data.
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Input and output capacitors don't match the small application note on the datasheet. Replacing them with something closer at least brings in positive gain field. Input return loss still to be worked on, as 0.5 is bad even for a bodger like me.
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
While looking for a small driver amp at 2.4GHz I found these RF2126 based devices. First one was DOA. Second had negative gain at 2.4 and almost 10dB gain at 1.296 GHz.
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Luca Bongiorni
Luca Bongiorni@CyberAntani·
Shall I tell him?🤦‍♂️🤦‍♀️🤦
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Impressed by the €4 Pixie kit. A skilled CW operator (not me) will discriminate the right signal in the wide bandwidth. I cheat using the pc but a small bandpass audio a filter can easily be added.
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victor I3VFJ
victor I3VFJ@vittben·
@SSinager @ibelings si può fare senza far danni!! Ti faccio sapere quando ho le scansioni pronte 👍👍
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Pieter Ibelings
Pieter Ibelings@ibelings·
According to the calculator, the beamwidth is around 65°
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victor I3VFJ
victor I3VFJ@vittben·
@ibelings Nice job and rules calculator!! Here's mine...
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Opening requires some work, as screws are potted in epoxy
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Sinager (IZ0MJE)
Sinager (IZ0MJE)@SSinager·
Surplus parts compulsive shopping. Anybody needs 1GHz low pass filters?
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