What is Mars mod on HF radio?

What is Mars mod on HF radio?

MARS is the Military Auxiliary Radio Service. They use HF and VHF frequencies near ham band to forward personal messages to/from military personnel. CAP is Civil Air Patrol.

What does Mars mean in ham radio?

Military Auxiliary Radio System
The Military Auxiliary Radio System (MARS) is a United States Department of Defense sponsored program, established as a separately managed and operated program by the United States Army, and the United States Air Force.

How do I get a radio license for Mars?

To apply for membership in MARS, go to the following webpage and complete the application form: Application to Join Army MARS. Direct your questions to HQ, Army MARS. HQ, ARMY MARS WEBSITES.

How far can you transmit with HF radio?

But the real advantage of HF is skywave propagation, where a single link can span distances as great as 3,000 km (a little less than 1,900 miles). Skywave propagation occurs when the radio wave is refracted (bent) in the uppermost layer of the atmosphere, called the ionosphere.

Does military use ham radio?

The Military Auxiliary Radio System (MARS) is a Defense Department-sponsored civilian auxiliary of amateur radio operators that actively supports military operations. Notably, military aircrews remain capable of using MARS phone patches through high frequency radios when satellite communications are unavailable.

What is a Mars Mod Level 4?

Ready to Ship! To make an amateur radio capable of transmitting just outside of the amateur radio bands, this service usually involves the removal of a surface mount component inside of an amateur radio (along with some additional steps).

Is Mars Cap Mod legal?

The only radio services beyond the license amateur radio bands that are accepted for amateur radios are MARS and CAP frequencies. Use of these frequencies is only allowed by authorized members of the Military Auxiliary Radio System or the Civil Air Patrol.

What frequencies does Mars mod open?

Usually with a Mars/Cap mod, the radio is also opened to transmit in frequencies such as the MURS in 151/154mhz range and some of the DOT frequencies in the VHF band along with Marine VHF frequencies. In the UHF band you usually get more Dot Frequencies and the FRS/GMRS frequencies.

What are the Mars cap frequencies?

The Mars Relay uses frequencies of 437.1 MHz for transmission, and 401.5 and 405.6 MHz for reception. Because these frequencies are near the radio amateur bands, Hams will have the opportunity to help out NASA and listen for the Mars Relay beacon transmission at 437.1 MHz.

Do you monitor Mars on HF?

Has anyone observed any actual HF frequency usage by the various branches of MARS (Army, Air Force, Navy/Marine Corps) recently? I know some may have frequencies in their notes and some may have channel designators. Let’s share what we have and match them up. Hello, Yes I regularly monitor MARS transmissions on HF.

What frequencies can I hear Army Mars on?

I offten hear Army MARS on 4004 and 4025. As a former MARS member, I can tell you that frequencies are not allowed to be given out, you will have to hunt for them. Also if you have channel designators figured out, I’m sure MARS would appreciate if you kept those to yourself as well. Other than that, have fun listening!

What are the different types of equipment compliance reports for radios?

Due to the ever increasing number of radios being added, the equipment compliance reports for VHF-FM and HF have been broken into two main categories, Amateur and Commercial. This distinction is based on the manufacturers design and intended market.

What are the different types of Mars stations in the military?

7. AF MARS Stations. As defined in DoDI 4650. 02, MARS stations can be categorized as military, civilian agency, club, or individual organizational elements. The AF further breaks down individual elements into fixed and mobile. Only military, civilian agency and club stations may affiliate with more than one MARS Service.