Subj : PowerShell RF conditions source code
To   : All
From : Sean Dennis
Date : Wed Aug 12 2026 06:10 pm

(I have not tried this one yet.)

# -------------------------------------------------------------
# HF Propagation Data Fetcher for Windows BBS Bulletins
# -------------------------------------------------------------

# Configure this path to point straight to your local BBS text bulletin folder
$OutputFile = "C:\BBS\Files\hfprop.txt"
$Url        = "https://hamqsl.com"

try {
    # Set Security Protocol to handle modern TLS web handshakes seamlessly
    [Net.ServicePointManager]::SecurityProtocol = 
[Net.SecurityProtocolType]::Tls12
    
    # Download and parse the raw live XML data structure
    $xml = Invoke-RestMethod -Uri $Url -UserAgent "Mozilla/5.0"
    $solarData = $xml.solardata

    # Extract primary solar parameters
    $updated = $solarData.updated.Trim()
    $sfi     = $solarData.solarflux.Trim()
    $ssn     = $solarData.sunspots.Trim()
    $aIndex  = $solarData.aindex.Trim()
    $kIndex  = $solarData.kindex.Trim()

    # Create a hash map table to store calculated daytime/nighttime band 
states
    $bands = @{}
    foreach ($band in $solarData.calculatedconditions.band) {
        $name = $band.name
        $time = $band.time
        $status = $band.'#text'.Trim()
        
        if (-not $bands.ContainsKey($name)) {
            $bands[$name] = @{}
        }
        $bands[$name][$time] = $status
    }

    # Construct the fixed-width ASCII grid layout strings
    $lines = @(
        "+-----------------------------------------------+",
        "|           CURRENT HF BAND PROPAGATION         |",
        "| Updated: {0,-36} |" -f $updated,
        "+-----------------------+--------------+--------+",
        "| Band / Frequency      | Daytime      | Night  |",
        "+-----------------------+--------------+--------+"
    )

    # Standard band sequence loop mirroring solar.w5mmw.net 
    $targetBands = @("80m-40m", "30m-20m", "17m-15m", "12m-10m")
    foreach ($b in $targetBands) {
        $day   = if ($bands[$b].ContainsKey('day'))   { $bands[$b]['day'] }   
else { "---" }
        $night = if ($bands[$b].ContainsKey('night')) { $bands[$b]['night'] } 
else { "---" }
        
        $lines += "| {0,-21} | {1,-12} | {2,-6} |" -f $b, $day, $night
    }

    $lines += "+-----------------------+--------------+--------+"
    $lines += "| Solar Flux Index: {0,-4}    Sunspot Number: {1,-4}  |" -f 
$sfi, $ssn
    $lines += "| Geomag A-Index:   {0,-4}    Geomag K-Index: {1,-4}  |" -f 
$aIndex, $kIndex
    $lines += "+-----------------------------------------------+"

    # Force a clean write straight out to disk in standard ASCII text encoding
    $lines | Out-File -FilePath $OutputFile -Encoding ascii -Force
}
catch {
    Write-Error "Failed to retrieve or generate HF propagation ASCII file: $_"
    Exit 1
}

-- Sean KS4TD

.... The motor will rotate in the wrong direction.

--- MultiMail/Win
 * Origin: Outpost BBS * Johnson City, TN (1:18/200)

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