Tag Archives: fax

Radiofax: XSG Shanghai, China (National Meterological Centre, CMA)

Just when I thought my series on radiofax may well be drawing to a close, a reader by the name of Vitor (ONL12294) contributed some very valuable information leading to Shanghai Coast Radio (XSG) Faxes. Armed with a set of … Continue reading

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Radiofax: VMC Charleville, QLD/VMW Wiluna, WA (Bureau of Meteorology, Australia)

The radiofax series of posts have gone on for a while, but lately, the number of postings have become rather slim. What might not be so evident is that the monitoring efforts continue, perhaps even more intensely than at the … Continue reading

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Radiofax: The Quest for ZSJ Cape Naval, South Africa (+ Updates)

Through my long journey to catalogue the remaining active radiofax stations, there has been a few rather elusive stations. Part of this category is ZSJ in Cape Naval, South Africa which I’ve never been able to hear and was doubtful … Continue reading

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Radiofax Tips: Modify kiwifax.py for Better DX Use, Slant Correction Factors & Status

The past few weeks have been quite busy with radiofax monitoring – a small project inspired by the existence of KiwiSDRs and WebSDRs and a desire to preserve what little “analog” utility stations we might have left on the HF/shortwave … Continue reading

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Radiofax: RBW41 (?) Murmansk, Russia

Since we’re probably on the “tail-end” of the radiofax technological lifecycle, I’ve actually been quietly hoping to receive something from Russia as on historical information, it seems they’ve been rather unique. While most stations today have settled on 120LPM with … Continue reading

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Radiofax: JFX Kagoshima (Japan Fisheries)

Having already pursued the majority of the rather “well known” fax stations, I decided to move along and try my luck at some of the lesser-known stations with spotty data as seen from some older listings and SWL schedule sites. … Continue reading

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Radiofax: HLL2 Seoul, South Korea (Korean Meteorological Administration)

When it comes to radiofax, you might be wondering why I’ve left South Korea’s HLL2 station towards the end. The reason? It’s actually not an easy station to receive well. As many utility stations are established on a frequency and … Continue reading

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Radiofax: NMG New Orleans, Louisiana (National Weather Service/NOAA, USA)

It’s an extremely busy weekend for me, but still, there’s some time to put up a post about another radiofax station or two. In fact, I’ve put in a lot more effort to try and determine the “whereabouts” of some … Continue reading

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Radiofax: NMF Boston, Massachusetts (National Weather Service/NOAA, USA)

Another radiofax posting to round out my Sunday and what a surprise – it’s another NWS/NOAA family station. NMF broadcasts from Boston, Massachusetts in the USA operating on three of four frequencies at any time. Like other NWS/NOAA network stations, … Continue reading

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Radiofax: NOJ Kodiak, Alaska (National Weather Service/NOAA, USA)

Continuing on the list of active stations I have yet to make a post about, the NOJ station in Kodiak, Alaska operated by National Weather Service/National Oceanic and Atmospheric Administration of the United States of America has been a difficult … Continue reading

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Radiofax: NMC Pt. Reyes California (National Weather Service/NOAA, USA)

Given that the United States of America’s National Weather Service (NWS) / National Oceanic and Atmospheric Administration (NOAA) operate a large number of the remaining radiofax stations, it’s about time I covered another from the family. Previously, I covered KVM70 … Continue reading

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Radiofax: DDH3/DDK3/DDK6 (Deutscher Wetterdienst, Germany)

The triplet of stations from Germany (DDH3/DDK3/DDK6) are distinguished in the radiofax field. They operate on a +/-425Hz shift (whereas others operate on +/-400Hz), and they have the highest transmission powers – 10kW for DDH3 and 20kW for DDK3/DDK6. This … Continue reading

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Radiofax News: BMF Confirmed Offline, VMC/VMW Transmission Fault & Radiofax Status

It’s been a very radiofax-centric long weekend – rest assured, I did do other things, I just didn’t get around to posting about it. But even though I haven’t finished surveying all the active stations and I haven’t yet put … Continue reading

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Radiofax: KVM70 Honolulu, Hawaii (National Weather Service/NOAA, USA)

When people talk about Hawaii, the first thing they think of is probably a beach-side holiday. But for me, I think of the US time station WWVH and the KVM70 radiofax transmissions. Strange, I know … I must get that … Continue reading

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Radiofax: GYA (Northwood, United Kingdom)

The Australia Day long weekend has been a good excuse to get back to blogging about various “random” things with radiofax being the topic of choice this weekend. I had fond memories of an unexpected DX surprise one night in … Continue reading

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Radiofax: HSW64 (Weather Forecast Division, Thai Meteorological Department)

Another one of our friendly “neighbour” radiofax stations is HSW64 from Thailand. This station is listed in the NWS/NOAA radiofax schedules as 7395kHz which is its SSB tuning frequency – the centre frequency is actually 1.9kHz above this. This is … Continue reading

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Radiofax: CBV/CBM (Armada De Chile, Servicio Meteorologico)

Onto another radiofax station I have never heard before. CBV and CBM are a pair of stations in Chile. They operate two separate schedules but seemingly broadcast the same sorts of charts covering the same areas, but at different times. … Continue reading

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Radiofax: JMH/JMH2/JMH4 (Japan Meteorological Agency)

The radiofax station JMH, JMH2 and JMH4 is one of the nearby “powerhouses”, sending charts almost continually around the clock on three frequencies (3622.5kHz, 7795kHz and 13988.5kHz). It’s often heard in Australia, albeit I often receive it very “noisily” and … Continue reading

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Radiofax: ZKLF (Metservice, New Zealand)

Further continuing along my survey of radiofax systems, I thought it would be a good idea to check on one of our nearest neighbours, New Zealand. In the past, I have received their service from home with regularity, although sometimes … Continue reading

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Radiofax: SVJ4 (Hellenic National Meteorological Service, Athens Marine Meteorological Centre, Greece)

Continuing on my radiofax expedition, I thought it would be best to try looking for another station I had never heard from home, hoping it would still be alive. In this case, it is SVJ4, operated by the Hellenic National … Continue reading

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Radiofax: VCO (Canadian Ice Service, Environment & Climate Change, Canada)

Some readers may know that I’ve been on a radiofax adventure lately, after having discovered the beauty of WebSDRs and kiwifax.py. As a result, I decided to stop chasing the faxes from home – as it’s near impossible to get … Continue reading

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Radio: RadioFax/HF Fax Reception on KiwiSDR with kiwifax.py

If you’ve seen my most recent post with the gallery of JJC Kyodo News HF faxes, you’re probably aware that I quite like receiving such signals off the air. I’ve scoured the Worldwide Marine Radiofacsimile Broadcast Schedules document from US … Continue reading

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Project: RasPBX (FreePBX/Asterisk) for the Home

In the early days of VoIP, most users were still using analog phones through ATAs and early softphones with services like Free World Dialup (later, FWD) which offered users free SIP accounts that could call within the FWD network for … Continue reading

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Challenge: Send a Fax Without a Landline or Fixed-Line Internet

A week ago, a friend approached me about sending off a fax. Despite the march of technology, this particular form had to either be mailed back (taking a few days and costing a decent amount of money) or faxed. My … Continue reading

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Teardown: Generic CX-FU02+ USB SoftV92 Data Fax HSF Modem

My tech shopping in Hong Kong continues with more goodies. One of the things I was on the lookout for was the last of the dial-up modem. Rather unsurprisingly, for such an advanced country, it’s almost impossible to find any … Continue reading

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US Fax Test Services: HP, Brother and Canon

The death of voiceband modem communications is slowly but surely happening. I started Project Fax in recognition of this, as a way to remember one of the technologies, but sadly from the few faxes I have received, it seems I … Continue reading

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Telstra FaxStream TestFax Professional (aka FOLDS-B) Test

A while back, I did a number of experiments involving VoIP and faxing, which made use of Telstra’s FOLDS test. Because of a number of intricacies, voice-band data and VoIP generally do not (reliably) work together unless configured very carefully … Continue reading

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Sounds of Fax Modes and ECM

Modem noises annoy many people – and many devices go to great lengths to mute the speaker after connections have been achieved. In fact, most fax machines mute the speaker as soon as the first HDLC 300bps Phase B data … Continue reading

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Telstra Fax On-Line Diagnostics (FOLDS) Test

Just yesterday, a friend (Robert) reminded me about the Telstra FOLDS (Fax On-Line Diagnostics) test and showed me some of his diagnostic reports. I had tried the FOLDS test a long time ago, but I didn’t get a reply despite … Continue reading

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