To receive digital TV signals from all stations, it is important that your antenna be able to receive both VHF channels (channels 2-13) and UHF channels (channels 14- 51). Some antennas only provide good reception of VHF or UHF channels, but not both.
Greeting Card Envelope Size: 5.25 x 7.25 Note Card Envelope Size: 4.375 x 5.75. When creating your design file, make the page size equal to the size of the envelope. The text for your return address should not be closer than 5/16 or .3125 from the edge of the envelope. U.S. Mail Layout Guides. Greeting Card Envelope Note Card Envelope.
The only cards that are actually classified by USPS as postcards are cards (not envelopes) that: 1  are rectangular in shape; and, 2  are at least 3Â½ inches tall but no more than 4Â¼ inches tall; and, 3  are at least 5 inches wide but no more than 6 inches wide; and, 4  are at least 0.007 inches thick but no more than 0.016 inches thick.