Re: [digitalradio] ROS HF Path Simulations

2010-08-02 Thread Tony
On 8/1/2010 7:31 AM, Steinar Aanesland wrote: Hi Tony Have you done some test comparing ros with mods like psk31 , rtty , olivia etc? Yes I have Steinar Tony -K2MO a5vna Steinar On 20.07.2010 03:42, Tony wrote: All, With all the attention ROS has been getting lately, I thought it

Re: [digitalradio] ROS HF Path Simulations

2010-08-02 Thread Steinar Aanesland
OK, is it public ? I can't find anything on digitalradio yahoogroup LA5VNA Steinar On 02.08.2010 12:58, Tony wrote: On 8/1/2010 7:31 AM, Steinar Aanesland wrote: Hi Tony Have you done some test comparing ros with mods like psk31 , rtty , olivia etc? Yes I have Steinar Tony -K2MO

[digitalradio] MAJOR GEOMAGNETIC STORM

2010-08-02 Thread CT1QK
*IPS GEOSTAT ALERT NUMBER 103: STATUS 5 CME OBSERVED MAJOR GEOMAGNETIC STORM POSSIBLE WITHIN 2-4 DAYS ISSUED AT 1928 UT ON 01 Aug 2010 BY IPS RADIO AND SPACE SERVICES FROM THE AUSTRALIAN SPACE FORECAST CENTRE* CT1QK

[digitalradio] Re: Fwd: [UDXF] STANAG Frequencies

2010-08-02 Thread sholtofish
Andy, Most of these are encrypted so don't expect much to read. A good one to try in the USA is on 8.4785MHz USB. They often run a test tape in the clear. When tuned in (and the right parameters set) you should see: OO FAAA DE RFLIE ZNR U ZUI TESTING RYRYRYRYRYRYRYRY SGSGSGSGSGSGSGSG

[digitalradio] Hellschreiber on-air comparison

2010-08-02 Thread Tony
All, I spent a little time this weekend comparing FSK-Hell to the standard Feld Hell mode. FSK-Hell is a modified version of PSK-Hell which was developed to improve readability over HF. The difference tends to show up more on long-haul paths where signals are more likely to encounter

Re: [digitalradio] Hellschreiber on-air comparison

2010-08-02 Thread Dave Wright
Also available in Fldigi. On Aug 2, 2010, at 8:32 PM, Tony wrote: All in all, FSK-Hell does offer better readability over Feld Hell. Click on the link below to see an on-air and example of how the modes compared. FSK-Hell is available in IZ8BLY's Hellschreiber (FM-Hell), DM780, MixW and

Re: [digitalradio] Hellschreiber on-air comparison

2010-08-02 Thread Laurie, VK3AMA
Hi Tony, I have often switched from FH to FSK-Hell when working the States from VK via the Long-Path on 20M when conditions are poor. Often switching to FSK was the only way to complete (or even initiate) the QSO and the improvement in copy was often quite dramatic, from very

[digitalradio] Scouts High Altitude Balloon ATV/Repeater/Digital Mode Beacons, August 7th

2010-08-02 Thread Mark Thompson
http://forums.qrz.com/showthread.php?t=258523 High Altitude Balloon for Scouts to carry ATV/Repeater/Digital Mode beacons on Aug 7 To Radio Operators across IL, IN, WI, OH, MO, KY and beyond... August 7th, 2010 as part of the Scouts Space Jam Technology Merit

Re: [digitalradio] ROS HF Path Simulations

2010-08-02 Thread Tony
Steinar, I've been monitoring ROS on-the-air and I've done some testing with the HF path simulator. In my opinion, it's about as good as one would expect from an MFSK mode with a relatively slow baud rate. Tests show that it will outperform RTTY and PSK31 in poor channel conditions (most MFSK