Radio amateurs in Portugal have intensified the search for GPS buoys that are illegally operating and intruding on 10 meters. A recent International Amateur Radio Union Region 1 Monitoring System (IARUMS-R1) report indicated that one such buoy was operating 24/7 on 28.100 MHz, using F1B mode (RTTY), 51 baud, 270 Hz shift. IARUMS-R1 also has posted a lengthy and growing list of intruding driftnet fisheries buoys, transmitting CW in various parts of 10 meters. A group of Portuguese radio amateurs has volunteered to identify the location of GPS buoy clusters that have been transmitting “for years” on 10 meters, an exclusive Amateur Radio allocation.
“So far, we have had some success in determining the location of the few that we can receive when propagation allows,” said Paulo Teixeira, CT2IWW, the team spokesperson. “The data suggest that these clusters are located in the Atlantic, alongside the coasts of Africa and Europe, but it’s possible that they are present elsewhere.”
The F1B transmissions consist of 3 second RTTY bursts. Individual transmissions are 10 seconds apart, and the cycle repeats every 5 minutes. Frequencies are between 28.000 and 28.120 MHz, at 5 kHz intervals.
“So far we detected them on 28,010, 28,025, 28,035, 28,050, 28,065, 28,075, and 28,101 kHz,” Teixeira said, “but we believe that other frequency ranges are possible.”
The group has asked radio amateurs living along the Atlantic coast, to look for these transmissions and record them. Teixeira said poor propagation is making it difficult to obtain additional samples.
“More recordings are needed in order to get greater consistency of the decoded data and, possibly, work on a automated or semi-automated decoding solution,” he said. He stressed the importance of indicating date, time (UTC), frequency, and mode. Recordings should be at least 10 to 20 minutes long. E-mail results to CT2IWW via his QRZ.com address.
Meanwhile, Jose Francisco de Almeida, CT4AN, reported that agents from Portugal’s telecoms regulator ANACOM and maritime police inspected 30 fishing, maritime tourism, and passenger vessels in Madeira, Douro, and Cascais, for illegal radio gear. According to IARUMS-R1, the two agencies have undertaken several enforcement actions in commercial fishing ports and marinas. Violations detected included the use of inadequate equipment or radio equipment operating outside the maritime mobile service bands. Twelve ANACOM and 14 maritime police took part in the operations, which were reported to have resulted in a decrease in offenses.
Illegal buoys of all types — fisheries, driftnet, GPS, and Datawell “Waverider” wave measurement buoys — remain very active on 10 meters, according to Wolf Hadel, DK2OM, the IARUMS-R1 coordinator. The July IARUMS newsletter included more than three dozen reports.
Source:ARRL
soundfile: http://www.iarums-r1.org/iarums/sound/28191ah.wav
Today I go over the features and do some power testing on the Baofeng UV-10R Dual Band HT Ham Radio Specification: Brand Baofeng Power 10W Frequency V... Read more
The International Space Station crossband FM repeater should remain active until after the Field Day weekend of June 26-27. Amateur Radio on the Inter... Read more
The RSGB Awards Manager has reviewed the current 50MHz awards offered by the Society and concluded that the existing 50MHz 2-Way Countries a... Read more
On May 8, 2021, the group of Polish radio amateurs: Marek SP4ELF, Jurek SP2GUB, Adam SQ2DOL, Piotr SQ4MIK, and Jarek SQ4IOB realized optical communica... Read more
The newest DMR Handheld Ham Radio from Anytone is the AT-D878UVII Plus HT, which incorporates 500,000 contacts and 10,000 talkgroups into the same, gr... Read more
The Chair of IARU Region 1 Spectrum Affairs, Barry Lewis G4SJH, reports on the work being done in defending the interests of the Amateur Services... Read more
In today’s video, we’ll be sharing a live unboxing of the AnyTone AT-D878UVII Plus as well as a product demo. VHF/UHF DUAL BAND: Feat... Read more
Brand new from Wouxun is the KG-UV8H Handheld, which features a different screen than earlier models, an 8-watt output power, and a 3200mAH battery. L... Read more
Pending future FCC action, amateur radio secondary use of the 3.3 – 3.45 GHz band segment may continue indefinitely. The FCC, as part of a lengthy... Read more
“For years the Baofeng UV-5R has been maligned as non-compliant with FCC regulations and a real spreader of spurious emissions. Further, it woul... Read more
More
Baofeng UV-10R Dual Band HT Ham Radio – First Look!
ISS repeater remaining on until after Field Day
Changes to the RSGB 50MHz awards
Over 50 km on 481 THz! Great news from SP
Anytone AT-D878UVII Plus – Best DMR Handheld Ham Radio 2021?
Recent activity on the 23cm band RNSS Coexistence Studies
AnyTone AT-D878UVII Plus Unboxing and Demo
Wouxun REVEALS the KG-UV8H Dual Band 8-watt HT Radio
Amateur Radio Gets a Partial Reprieve on 3.5 GHz
Dump the UV-5R and Get the GT-5R
Antennas
The Mark MKII 3 band (10, 15, 20m)
MK II 2 ELEMENT COMPLETE 3 band (10, 15, 20m) Antenna – 5 band (12m, 17m) 8- DELUXE FIBERGLASS QUAD ARMS – 13FT. 2- CUBEX QUAD SPIDERS-ONE... Read more
HFV16: Dipole Antenna – Diamond Antenna
Diamond Antenna – HFV16: Dipole Antenna Length: Approx. 4.6m / Weight: Approx. 2.2kg Frequency: 18 MHz (16m) Max.power rating: 200W (SSB), 70W... Read more
The Double Bazooka Antenna – A Review
Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. This will be of interest to amateur (ham) radi... Read more
CobWeb Aerial by M0PZT
The CobWeb offers the following features : 20m, 17m, 15m, 12m, 10m operation Compact and easy to handle – Around 8ft square Doesn’t have to be too hi... Read more
HF/VHF LINEAR LOADED VERTICAL ANTENNA
The adjustiwave antenna system is an efficient adjustable quarter wave vertical antenna that can be used anywhere between 3.5Mhz and 148Mhz (80m to 2m... Read more
The 10/15/20 Meter Trap Vertical Antenna
“This antenna project came out very nice. It’s a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 met... Read more
80 Meter Shortened Inverted-L Bazooka Antenna
Bazooka Antenna A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with li... Read more
Installing Wire Antennas in Trees
Installing Wire Antennas in trees Read Full Article: Read more