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adventures with radioactivity
 
 

Archive for July, 2012

SDR and PSK31/CW Receiving on the Macbook with CocoaModem 2.0

• July 29, 2012 • Leave a Comment

Posted in Uncategorized
Tags: cocoamodem, mac, psk31


Bifilar windings on transformers

• July 26, 2012 • Leave a Comment

Posted in Uncategorized
Tags: bifilar, transformer


The Wait for Ham License and Callsign

• July 24, 2012 • Leave a Comment

Posted in Uncategorized
Tags: call sign, license


Completed Build of the Softrock 40m LiteII – and some listening

• July 21, 2012 • Leave a Comment

Posted in Uncategorized
Tags: 40m, Lite II


18jul12 dx –

• July 19, 2012 • Leave a Comment

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RX Ensemble II – two transformer wiring changes

• July 17, 2012 • Leave a Comment

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7/15-17 dx poor

• July 16, 2012 • Leave a Comment

Posted in Uncategorized
Tags: dx, poor


build notes combined lite II – 40m

• July 15, 2012 • 1 Comment

Posted in Uncategorized
Tags: 40m, build notes, Lite II


7/14/12 AM signals on 40 m

• July 15, 2012 • Leave a Comment

Posted in Uncategorized


7/10-now/12 20m

• July 11, 2012 • Leave a Comment

Posted in Uncategorized
Tags: log


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Recent Posts

  • Meshtastic Channel names, PSK, and order in the channel list determine which nodes and channels can interoperate in the mesh.
  • FT-857d microphones: MD-100 and MH-31(electret) and working FT-857d Settings. Sep24
  • XLR to 3.5mm Cable for radio shack microphones
  • Microphones. Sennheiser ME66 , EV RE50, Yaesu MD-100, Kenwood MC43-S
  • TS-590SG : Keying the IC-2KL Amplifier
  • Waimea Base, Oct 2020 to Jan 2021
  • MFJ-269 Flashing ‘Voltage LOW.0V’ on Power Up. successful repair
  • 433 mhz rf module experiments
  • May 2020 – Month 3 of the Pandemic – Radio Activity
  • 20 meter opening to Europe on FT8

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Tags

1.5m mag loop 2m 10m 10m STL 20m 40m Anderson powerpole antenna bandwidth battery power bifilar capacitor CHiRP COAX coax loss corrosion block Coupling loop cw dipole DM780 dummy load end-fed endfed ensemble rx II Europe Europe DX fan noise feeder loop fldigi flux ft-857d ft857D fuse ground HRD jackite JT65 LiFePo4 Lite II loop macro mag loop MFJ 269 MFJ 4125P mic gain microphone mobile mp-1 noise portable power supply psk31 psk reporter rain reset RFI RG6 RT Systems scout sdr# service menu softrock STL SWR swr problem SWR tuning tentec Tuner unun USB uv-5R VHF wet yaesu 857D yt-100

PSK31 FREQUENCIES

PSK31 HF Frequencies PSK31 VHF Frequencies Band Frequency Band Frequency 10 meters 28.120 Mhz 6 meters 50.290 MHz 2 meters 144.144 MHz 1.25 meters 222.07 MHz 70 centi-meters 432.2 MHz 33 centi-meters 909 Mhz 160 meters 1.838 MHz 80 meters 3.580 MHz 40 meters 7.035 MHz 30 meters 10.140 MHz 20 meters 14.070 MHz 17 meters 18.100 MHz 15 meters 21.080 MHz ≈

  • marksun's avatar marksun

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