#hfcomms - Twitter Hashtag

'Transmitting in the red...' @geoff_mcmaw

7 months ago

Not previously noted here. New 'Pip' on 18429 kHz usb. Seven streams around 3 kHz bandwidth. #pip #hfcomms https://t.co/SSiPWleugM

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KNL @KNLNetworks

8 months ago

KNL and Japan-based Hytec Inter signed an MoU to strengthen resilient communications for defence and security – combining KNL’s beyond-line-of-sight HF tech with Hytec’s secure connectivity infrastructure. Read more: https://t.co/HFfsduCSNn #KNL #HytecInter #HFcomms #BLOS

KNLNetworks's tweet photo. KNL and Japan-based Hytec Inter signed an MoU to strengthen resilient communications for defence and security – combining KNL’s beyond-line-of-sight HF tech with Hytec’s secure connectivity infrastructure.

Read more: https://t.co/HFfsduCSNn

#KNL #HytecInter #HFcomms #BLOS https://t.co/evowr2cwea

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83

'Transmitting in the red...' @geoff_mcmaw

8 months ago

11300 EMIRATES 788 Heavy clg TRIPOLI. Fantastic signals from the aircraft tonight. 2237z #avgeek #hfcomms #hfaero

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411

'Transmitting in the red...' @geoff_mcmaw

8 months ago

8864 kHz usb GANDER req RCH1862 disconnect CPDLC at 30W at sign on EGGX 1136z #hfcomms

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349

'Transmitting in the red...' @geoff_mcmaw

8 months ago

3491 kHz usb, #SHANWICK clears #GAF142 out of Bermuda for deviation enroute due wx. 2125z #hfcomms

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601

'Transmitting in the red...' @geoff_mcmaw

10 months ago

6699 kHz CW 5LYE calling G7M6 (?). #unid #hfcomms #cw 1513z

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547

'Transmitting in the red...' @geoff_mcmaw

10 months ago

7998 kHz usb, OM w/ test calls. 2140z #unid #hfcomms https://t.co/vcGFhEru04

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'Transmitting in the red...' @geoff_mcmaw

11 months ago

No idea who this is but he gives his lat/long as off the Senegalese coast. 2010z🤔 New catch for me. #hfcomms #marine https://t.co/KDvHSFuyXE

geoff_mcmaw's tweet photo. No idea who this is but he gives his lat/long as off the Senegalese coast. 2010z🤔 New catch for me. #hfcomms #marine
https://t.co/KDvHSFuyXE https://t.co/12I02IQUe3

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514

'Transmitting in the red...' @geoff_mcmaw

12 months ago

6547 kHz CANFORCE 4357 w/ SHANWICK. Sec for SHANWICK 8879, at 45N contact SANTA MARIA pri 11309, sec 8906. Selcal check, good selcal. 1145z #airspyhf #hfcomms

geoff_mcmaw's tweet photo. 6547 kHz CANFORCE 4357 w/ SHANWICK. Sec for SHANWICK 8879, at 45N contact SANTA MARIA pri 11309, sec 8906. Selcal check, good selcal. 1145z #airspyhf #hfcomms https://t.co/MmBGk81lez

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'Transmitting in the red...' @geoff_mcmaw

12 months ago

Another mystery language and user. This time on 14508.5 kHz usb. Unidentified to me. Anyone confirm the language and or content please? MTIA #hfcomms #airspyhf https://t.co/ACVbur8Ea1

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KNL @KNLNetworks

about 1 year ago

#CognitiveRadios learn and adapt in real time to hostile jamming and interference. The result? Reliable, secure communication in high-stakes environments—when every second counts. 🔗Learn more about KNL's cognitive radios: https://t.co/IB41UEeBOI #KNL #CNHF #BLOS #HFComms

KNLNetworks's tweet photo. #CognitiveRadios learn and adapt in real time to hostile jamming and interference. The result? Reliable, secure communication in high-stakes environments—when every second counts.

🔗Learn more about KNL's cognitive radios: https://t.co/IB41UEeBOI

#KNL #CNHF #BLOS #HFComms https://t.co/npmK6MOCTN

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'Transmitting in the red...' @geoff_mcmaw

about 1 year ago

Interesting net on 10176.5 kHz usb. 'Control', 'BR', 'DR', 'R' callsigns noted. Some players off freq at 10176.7kHz. I have Chilean ONEMI net (Civil Protection Agency) listed on this freq. 🤷 https://t.co/d3Xi4F1ZNp 0950z #hfcomms #airspyhf

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'Transmitting in the red...' @geoff_mcmaw

about 1 year ago

Russian Navy Maritime Patrol aircraft morse net active on 6752 and 8821 khz. Ground control station sending 'S' markers. Nothing noted on 4651 kHz (probably poor propagation). 0905z #hfcomms #airspyhf

geoff_mcmaw's tweet photo. Russian Navy Maritime Patrol aircraft morse net active on 6752 and 8821 khz. Ground control station sending 'S' markers. Nothing noted on 4651 kHz (probably poor propagation). 0905z #hfcomms #airspyhf https://t.co/sNt5EPb1Jo

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Steve Jerome @steve_djerome

over 1 year ago

5.680u - UK Rescue - SRG175 in comms with regard an ETA at the hospital etc. 1225z, QTH Sussex UK. Excalibur G31 | SDR-C | Wellbrook Loop #HFcomms

steve_djerome's tweet photo. 5.680u - UK Rescue - SRG175 in comms with regard an ETA at the hospital etc. 1225z, QTH Sussex UK.
Excalibur G31 | SDR-C | Wellbrook Loop #HFcomms https://t.co/WHcWVher09

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Steve Jerome @steve_djerome

over 1 year ago

11.285u - Colombo, SEA-1 - working SVA827, good 2-ways comms at 2005z. QTH Sussex UK. Excalibur G31 | SDRC | Wellbrook Loop #HFcomms

steve_djerome's tweet photo. 11.285u - Colombo, SEA-1 - working SVA827, good 2-ways comms at 2005z. QTH Sussex UK.
Excalibur G31 | SDRC | Wellbrook Loop #HFcomms https://t.co/bSryzymP9s

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'Transmitting in the red...' @geoff_mcmaw

almost 2 years ago

You always know you're heading into winter when Russian Railway comms start to appear on 2130 (and 2150) kHz, NFM transmissions. #hfcomms #railways 2040z

geoff_mcmaw's tweet photo. You always know you're heading into winter when Russian Railway comms start to appear on 2130 (and 2150) kHz, NFM transmissions. #hfcomms #railways 2040z https://t.co/u3xVkfYT7h

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'Transmitting in the red...' @geoff_mcmaw

over 2 years ago

Wonder when Trenton Military dropped to 15031 kHz usb for their aviation weather report broadcast? Usually received here on 15034 kHz usb. 1235z 🤷‍♂️#avgeek #hfcomms

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'Transmitting in the red...' @geoff_mcmaw

about 3 years ago

8255 kHz OM calling station in (mixed) French with no joy. "Alpha India, Papa, parlez" Ship/Ship channel 821. #hfcomms #airspyhf Armagh, N Ireland 2140z

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'Transmitting in the red...' @geoff_mcmaw

over 3 years ago

7894 ALE/USB plenty of traffic from these guys. Another #unidentified group for me. #hfcomms #airspyhf Armagh 2105z

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'Transmitting in the red...' @geoff_mcmaw

over 3 years ago

8113 kHz Wiluna Radio, Western Australia, callsign VMW with their marine weather broadcast making it into NW UK. #marinedx #hfcomms 2106z #airspyhf #longwire

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