def get_all_coeffs():
    """Get all available calibration coefficients for the satellites."""
    coeffs = {}

    for platform in URLS:
        if platform not in coeffs:
            coeffs[platform] = {}
        for chan in URLS[platform].keys():
            url = URLS[platform][chan]
            print(url)
            page = get_page(url)
            coeffs[platform][chan] = get_coeffs(page)

    return coeffs