February, 2005   The Milliwatt   < Prev Page 8 Next >

New 403 GHz DX record claimed

It seems that Brian Justin, WA1ZMS, just can't get enough gigahertz. He reports WA1ZMS/4 worked. Pete Lascell, W4WWQ/4, December 21 on 403 GHz CW for a new DX record QSO of 1.4 km (0.87 mile)."Signals were very weak on the W4WWQ end, while several dB of margin existed on the WA1ZMS end," Justin reports. "The exchange had to be sent several times for W4WWQ to copy the CW by ear." The December 21 QSO exceeded the stations' former "best DX" on 403 GHz of 0.5 km (0.31 mile). It also "conquers the 1 km barrier for amateur frequencies above 400 GHz -- except for visible light," he adds. Gear used for the 403 GHz QSO was the same as that used for previous 241, 322 and 403 GHz QSOs. Justin has posted additional details, an audio file and a photo on the Mount Greylock Expeditionary Force website.

More Countries Gain Access to Extended 40m Band in January

Chairman of the RSGB Spectrum Forum, Colin Thomas, G3PSM, reports that Denmark has published a plan to allow amateur radio in the band 7100-7200 KHz from 1 January, 2005. The Polish regulatory authority has agreed that the band 7100-7200 KHz is to become available to Polish amateurs on a secondary basis, effective with the date of bringing into force the new National Frequency allocation Table, the publication of which is expected in January. Other countries where IARU member societies have approached their authorities for early access to the extended band include Belgium, The Czech Republic and the Netherlands.

NAMIBIAN HAMS GRANTED MORE SPECTRUM IN 40M BAND

As is the trend around the world where the 40m band is being normalized to give Radio Amateurs world wide access to 7 MHz to 7.2 MHz, the Namibian Radio Amateurs have been granted access to the additional space from 7.1 to 7.2 MHz. In a letter from the Namibian Communications Commission has granted permission on a secondary basis to Radio amateurs for this segment of radio frequency spectrum. The only condition is that National and International radio regulations be adhered to at all times. Click here to view a copy of the Namibian Communication Commission letter.

Pretoria Radio Amateur Rewarded for Assisting the Blind

Nico du Toit, ZR6AFJ, was awarded the Amateur Radio Community Service Award for the development of a device that turns antenna measurements into audible speech. He identified the need for such a device to enable visually impaired radio amateurs to enjoy their activity to the full, including experimentation and optimizing of antenna performance. The audio adapted standing wave ratio measurement bridge is an essential device to ensure optimum signal transfer from the transmitter to the antenna. In this way a visually handicapped person does not only prevent damage to the transmitter, but also prevents the transmissions from causing harmful interference to other users of the spectrum. [SARL]

SATERN begins 60-meter net

The Salvation Army Team Emergency Radio Network (SATERN) has begun a weekly net on 60 meters. Sessions take place Tuesdays at 0130 UTC (Monday evening in US time zones) on 5330.5 MHz, which is the first of the five 60-meter channels. "If there is activity on that frequency, the net will migrate up channel to the first clear one," says SATERN National Director Pat McPherson, WW9E. The net, which held its first session December 7 (UTC), operates out of SATERN's Metropolitan Division in Chicago, but all radio amateurs are welcome to check in. McPherson says the idea behind the new 60-meter net is to link the 11-county Salvation Army Metropolitan Division and network with other regional SATERN and amateur stations for emergency preparedness.

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