function Get-CurrentSFIK {
    <#
    .SYNOPSIS
    Retrieves current Solor Flux Index and K Index information in JSON format from NOAA. It then returns the two
    most current variables (SFI first and K-Index second).

    .EXAMPLE
    $SFI, $K_INDEX = Get-CurrentSFIK

    .NOTES
    https://www.arrl.org/files/file/Technology/tis/info/pdf/0209038.pdf
    #>
    try {
        $flux = Invoke-RestMethod -Uri "https://services.swpc.noaa.gov/json/f107_cm_flux.json"
        $kindex = Invoke-RestMethod -Uri "https://services.swpc.noaa.gov/json/boulder_k_index_1m.json"
    } catch {
        $PSCmdlet.ThrowTerminatingError($_)
    }

    Return [int]$flux.flux[0], [int]$kindex.k_index[0]
}

$sfi, $kindex = Get-CurrentSFIK

Write-Host "Current SFI: $sfi`nCurrent K Index: $kindex"

if ( ($sfi -gt 149) -and ($kindex -lt 3) ) {
    Write-Host -ForegroundColor Yellow "Good HF Propagation Conditions!"
} elseif ( ($sfi -gt 199) -and ($kindex -lt 3) ) {
    Write-Host -ForegroundColor Green "Excellent HF Propagation Conditions!"
}

Exit(0)