Re: [digitalradio] RTTY Dilemma

On 9/28/2008 9:04 PM, Chuck Mayfield wrote: > Are you picking Nits? You actually want all the software developers > except three to make modifications for 85 Hz? Of course not. It's be much more effective to ask those using software with that sort of defect to refrain from generating inaccurate

Re: [digitalradio] What frequency for XM/Sirius digital signals

ellite Digital Audio Radio Service downlinks are 2320 to 2345 MHz. &3 & HH, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED]

Re: [digitalradio] Re: USA: No Advanced Digital HF Data Comms

aps, are significantly less turbulent than the Auroral zones which bound the caps on the equatorward side. The other place that significant Doppler spreading is observed to occur is in the equatorial ionosphere during so-called "spread-F" conditions. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED]

RE: [digitalradio] Re: BPL-Busting Modes/Techniques

uld seem to be off by a good 60 dB. The spec for the 75S3C/B is given in its manual as 100 uV at S9. <http://www.collinsradio.org/75S-3B-C-_11-75_-Sec3_4_5.pdf> 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org

Re: [digitalradio] Re: RTTY Hall of Shame

ory is not productive and ultimately divisive, as that view leads to increased frustrations and causes more conflicts as opposed to resolving them. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest

Re: [digitalradio] IARU Beacons 14100kHz (14099.5 kHz - 14100.5 kHz guard band)

band plan is not intended to address." <http://www.arrl.org/contests/hf-faq.html#noncontesters> 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : h

Re: [digitalradio] Re: RTTY Hall of Shame

73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo

[digitalradio] Re: New poll for digitalradio

As with previous dockets, hardcopy (paper) submitals that are part of the offical record are available via ECFS. See for example: and note (a) it is a scan and (b) the presence of the FCC mailroom stamps

Re: [digitalradio] ARRL to file Encryption Petition with the FCC

arliest opportunity." In essence the Board's action was to remove the matter from the fast-track and put it on the back burner. It's an extremely confusing bit of anti-serendipity that had a quotation of Minute 29 from the July 2004 Meeting just happen to fall right between Minute

RE: [digitalradio] Re: ARRL proposal removes baud rate limitations on HF

<http://www.arrl.org/tis/info/HTML/digital_voice/0056x003.pdf> <http://www.aorusa.com/ard9000.html> <http://www.aorusa.com/ard9800.html> Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW R

Re: [digitalradio] Re: ARRL proposal removes baud rate limitations on HF

s) includes a two tone configuration with symbol rates of 500 or 1000 symbols per second; the utility of that at HF is quite dubious. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: T

Re: [digitalradio] Re: Digital voice on HF

never happen. In looking for a software/sound card DV implementation, it's necessary to consider alternative standards, like WinDRM. Of course DV with WinDRM is not compatible with AOR DV. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://clu

Re: [digitalradio] 5600 baud circuit in 2400hz

DECs etc. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTECTED] Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion

Re: [digitalradio] Re: 5600 baud circuit in 2400hz

z bandwidth by picking a modulation scheme that has a bandwidth efficiency of greater than 2.33 bits/s per Hz; in this case, 8-PSK at a signaling rate of 1867 baud is but one way to send 5600 bits per second over a 2400 Hz BW channel. 73, Mike K1MK Michael Keane K1MK [EMAIL PROTEC