QTH meaning
In amateur radio, QTH means “location” or “my location is.” It is one of the Q signals, the three-letter codes that began as shorthand for Morse code. Sent as a question, “QTH?” asks “What is your location?” Sent as a statement, it gives your location.
Operators use QTH for the place where a station is operating, which may be a home, a vehicle, a hilltop or a campsite.
How QTH is used on the air
Typical examples:
- On CW: “QTH DENVER CO” or “MY QTH IS DENVER.”
- On voice: “My QTH is Denver, Colorado.”
- As a question: “What’s your QTH?” or “QTH?”
- In conversation: “Nice QTH you have there,” meaning a good location or station site.
On voice, you are not required to use the term at all. “My location is Denver” is perfectly acceptable, and many operators say that to avoid confusion with new listeners.
What to say when asked for your QTH
Give whatever level of detail you are comfortable with. Most operators give a city and state, province or country. Some also offer a grid square. You do not have to share a street address on the air, and it is sensible to be cautious about doing so, since anyone with a receiver can listen.
QTH and grid squares
For some contacts, especially on VHF and in digital modes, operators exchange a Maidenhead grid locator, a short code such as a four-character square that describes your approximate position. It is a more compact, precise way to share a QTH without giving a street address. Grid squares are also used in many awards and contests.
QTH in logs, QSL cards and callbooks
Most operators record the other station’s QTH in their log, and QSL cards usually list it. Callbook websites list an operator’s name and location tied to their call sign. In some countries, including the United States, the address on a license may be publicly searchable, which is worth knowing when you apply.
Sites and apps that borrow the name
Many web resources use “QTH” in their names, for example classified ad sites, callbook lookup sites and APRS software for mapping stations. These are separate from the Q signal itself. If you searched for the meaning, you are looking for the Q code described here.
QSO versus QSL
These two codes are often confused:
- QSO is a contact, as in “We had a QSO on 20 meters.”
- QSL means you acknowledge or confirm something, and also refers to a confirmation card.
So you might say “QSL” to confirm you got a call sign, and later exchange a QSL card as proof of your QSO.
Related Q signals
QTH is one of several commonly used codes. For the others, including QRM, QRP and QSY, see our full guide to Q signals for ham radio. If you are exchanging call signs along with your QTH, the phonetic alphabet helps make them clear.