adf frequencies list

DCS Table of Frequencies Caucasus. When the best frequency oscillator (BFO) is selected on an ADF receiver/controller, an internal beat frequency oscillator is connected to the IF amplifier inside the ADF receiver. Phone 503-378-4880. While VOR airways are known as Victor Airways, with designations like V-3, NDB airways are known as colored airways. Airline Transport Pilot. Powered by Invision Community. Some major commercial broadcast station locations and frequencies are shown on sectional aeronautical charts Most ADF radio receivers signals are in the frequency spectrum of 190 kHz to 1750 kHz, which includes LF and MF navigation facilities, and the AM commercial broadcast stations The A (6-bit) and B (13-bit) counters, in conjunction with the dual-modulus prescaler (P/P + 1), implement an N divider (N = BP + A). With a VOR, when the radial is selected, it is evident when the airplane drifts off course. FlyJSim continues their commitment to delivering high quality aircraft for the X-Plane platform! Joined: Oct 02, 2020 Posts: 5. A vertically polarized antenna was used to transmit LF frequency radio waves in the 190 kHz to 535 kHz range. - South Atlantic: three new airfields added, ATC frequencies updated. RF output frequency range: 62.5 MHz to 16,000 MHz Fractional-N synthesizer and integer-N synthesizer High resolution 39-bit fractional modulus Typical spurious f PFD: 90 dBc Integrated rms jitter: 38 fs (1 kHz to 100 MHz) Normalized phase noise floor: 234 dBc/Hz f PFD operation to 250 MHz Reference input frequency operation to 600 MHz Al Edited November 17, 2021 by ark US NAVY NOTAM Facility. Wikipedia. When I was learning to use the unit, it kept scanning frequencies and to my surprise it picked up the local AM talk radio station on something like 161.9000 or whatever. Get. NDB stands for Non Directional Beacon. So decimal frequencies where not an issue -- you just "turned the dial" to get the best signal. Well, I took a closer look just to see the frequencies on the map are truncated and therefor totally incorrect. Few clouds at 6500 feet. Memphis (ZME) Air Route Traffic Control Center. How to find ILS frequencies in MSFS2020. The reception field of the sense antenna is omnidirectional. What Is An FBO in Aviation & What Do They Offer? The instrument then does the math on its own. Because of this, they are often used in remote areas. No NOTAM Facility. It shows 113.8 whereas 113.75 is correct. This increases sensitivity and allows a smaller antenna to be used. This is more intuitive and consistent with other navigational practices. Updated on December 11, 2019. The Hornet radio set can tune to a relatively wide range of frequencies, including the range in which VORs transmit. Members are encouraged to validate and edit the articles. and paired frequencies vor tacan xmit & rcv freq channels freq vor tacan xmit & rcv freq channels freq 134.40 (1x) 1025 962 134.45 (1y) 1025 1088 134.50 (2x) 1026 963 134.55 (2y) 1026 1089 134.60 (3x) 1027 964 134.65 (3y) 1027 1090 134.70 (4x) 1028 965 134.75 (4y) 1028 1091 134.80 (5x) 1029 966 [Figure 1], As ADF technology progressed, indicators with rotatable azimuth cards became the norm. The loop and sense antenna are normally housed in a single, low profile antenna housing. 3040 25TH ST SE. to 1750 Khz. So while the Hornet doesn't have a VOR receiver in the sense many pilots (at least civil pilots) would understand, it can direction find off of a VOR signal. Blenders: An example of a blender is a person who blends an ADF with another fuel. The arrow simply points straight at the programmed NDBs position in relation to the aircraft. The Notice of Inquiry (NOI) approved Thursday could result in new receiver regulations and is the first major step in the FCC's quest to prevent future conflicts like the high-profile battle between the (E) High-resolution phase contrast electron micrograph of the thin edge of an a-MEGO chunk, taken at 80 kV. It's also a myth. ADF accuracy isaffected by such things as crossing shore lines and reflections off of the ionosphere.Another thing that will degrade and ADF is precipitation static and thunderstorms. 24 Voice. Wind causes some problems for the NDB airway tracking pilot. ADF nonfunctional in AN/ARC-159, use V/UHF 2 instead. Cause: youre using Cartesian displacements in a system that has some symmetry in its equilibrium geometry. The audio panel is used to listen to the stations audio transmission, which should be a morse code station identification. But commercial AM broadcast stations aren't going away any time soon. The ADF can tell from the loop antenna signals that the NDB is one of twopossible directions, 180 degrees apart, and the sense antenna lets it figure out which ofthe two is correct. CFS Information List Of ADF/NDB Frequencies. ADF Ramp Test: a. e.g. The rotor is driven by a motor to seek the null. The ADF improved on this concept. "BFO" stands for "beatfrequency oscillator" and what it does is to generate an audio tone to let youidentify beacons that identify themselves using interrupted-carrier keying. An automatic direction finder (ADF) operates off of a ground signal transmitted from a NDB. The bottom line is that you should try anything you can to ensure that all involved geometries have the same electronic configuration. So decimal frequencies where not an issue -- you just "turned the dial" to get the best signal. All the ones I have are active only. DCS Table of Frequencies Nevada. This was possible because a radio wave striking a loop antenna broadside induces a null signal. Wikipedia. Airfield IATA IACO Designation Freq 8.33kHz Channel 8.33kHz Actual Frequency Aberdeen Dyce Approach Pri VHF 119.0500 Aberdeen Dyce AS 121.6800 121.6750 The VOR dials are arranged one atop the other with NAV1 being at the top. Here, we show that Al(111) films epitaxially grown on Si(111)-(7 7), approaching the monolayer limit, exhibit a greatly enhanced T c, up to about a factor of three, when compared to the bulk value.Using scanning tunneling microscopy/spectroscopy (STM/STS) at variable temperatures down to millikelvin, we first characterize the structural and large-scale electronic properties of epitaxial . The equipment is cheap to operate, and since it works on low-frequency radio waves, it can travel several hundred miles. NDB stands for non-directional beacon and is usually the term for the transmitter antenna. Find many great new & used options and get the best deals for (STA37) Advert 11x8" Bendix International Division, DFA-72 ADF, For Frequency at the best online prices at eBay! The images can be Early radio direction finders (RDF) used the same principle. ADF (automatic direction finder) is the term for the receiver. Coastal VHF Carolinas to Florida and Gulf of Mexico. Hates "Winter & Cold", This website uses cookies and third party services. ICE 3. should be used to supplement the data in our Frequency Database. Channel Center: Amateur Tuning Frequency: 5332 kHz 5330.5 kHz 5348 kHz 5346.5 kHz 5358.5 kHz 5357.0 kHz 5373 kHz 5371.5 kHz 5405 kHz (common US/UK) nkx tacan 109.60 mhz 196 8.36 nm ne imperial beach. ARTCC. Days. Mode Scanning is an extension of the frequency scanning options ( ScanFreq) that were part of ADF and BAND in earlier versions of the Amsterdam Modeling Suite. The combinedloop/sense antenna usually goes on the bottom because its easier to install there, and ifyou forget to lower your gear, it will be the first thing to get ground away. i9 9900K | ASUS ROG Strix RTX 2080 TiOC | 32 GB Corsair DDR4 RAM|, The Janitor - An Interview with Tom Allensworth, Interview with Joshua Howard Re MS FLIGHT - March 2012, Interview with LMOC Re P3D - September 2012, The AVSIM Hack - First Published in May, 2009, The AVSIM Hack - The Full Story - Published April 2013. That necessitates the constant monitoring of the morse code identification while using an NDB as the only source of navigation. ADF stands for Automatic Direction Finder and is a radio aid which gives the relative bearing of an Aircraft or vessel to a transmission from an NDB (Non directional Beacon) If you look up the following URL NDB List 1/2020 The most up-to-date listing of European Non-Directional Beacons. The second step is to verify that the station is transmitting and properly selected. This repository contains a project conducted at university for the advanced econometrics course. The ADF frequency range is 190.0 KHz to 1799.5 KHz in 0.5 KHz increments. Land-based. Even when they were new and working correctly, NDBs were not without shortcomings. At days 1 and 2 after selection, empty eggshells were counted and recorded as "hatched." Hatching frequency (%) was calculated by dividing the total number of empty eggshells after 2 days by either the number of total embryos (for 12xH3.2 HWT genotypes) or by 0.5 the total number of embryos (for 12xH3.2 K36R genotypes) and multiplying by 100. CHECK VOLUME UP, AND IDENTIFY THE STATION. Radio beacons are radio transmitters at a known location, used as an aviation or marine navigational aid.NDB are in contrast to directional radio beacons and other navigational aids, such as low-frequency radio range, VHF omnidirectional range (VOR) and . Once a beacon has been dropped, the frequencies can also be listed using the CTLD - > Radio Beacons -> List Radio Beacons command. Check: visualize the imaginary frequencies in AMSspectra and check that their respective normal modes correspond to movements that are expected to be have (nearly) flat energy profile. You need an account for each, Copyright FlightSim.Com 2023 They are described as low or medium-frequency. The radio waves from an NDB consist oftwo electromagnetic field components: an electric field called the E-field and a magneticfield called the H-field. The purpose of the ADF is to point to a non-directional beacon and that is the onlypurpose. UK LARS listing. Same with NAV 2. Creates or updates a trigger. i.fb-icon-element.fontawesome-icon.fb-icon-element-1{ color: #ffffff;}i.fb-icon-element.fontawesome-icon.fb-icon-element-1:hover { color: #ffffff;} Radar Server is Fully Operationali.fb-icon-element.fontawesome-icon.fb-icon-element-2{ color: #ffffff;}i.fb-icon-element.fontawesome-icon.fb-icon-element-2:hover { color: #ffffff;}. from real life experience, the old KR-86 in the Warrior II receivesthe NDB just fine despite lacking the ability to tune decimals. If you do have an active/standby ADF frequency then you may need to adjust the radios section of the aircraft.cfg file.&l;Radios&r;// Radio Type=availiable, standby frequency, has glide slopeAudio.1=1Com.1=1, 1Com.2=1, 1Nav.1=1, 1, 1Nav.2=1, 1, 0Adf.1=1 // change to Adf.1=1, 1Transponder.1 . Repair cost usually isnt too expensive unless that$800 combined loop/sense antenna takes a dive. Technicians should note that the installation of the ADF antenna is critical to a correct indication since it is a directional device. If my ADF died, I might be sorely tempted to apply the repair money toward the purchaseof a GPS instead. What makes the local (LiquiMEL) biobank special is the high frequency blood collections (every 4-6 weeks) that occur prior to therapy initiation, during therapy, and at specific additional time points, and the logistical challenges associated with them. 86. Owner: OREGON DEPT OF AVIATION. www.adf-online.de. ADF Basic Usage To use an ADF, the pilot begins by selecting the station with which they want to navigate. When striking it in the plane of the loop, a much stronger signal is induced. In general, data in any Wiki article: might not be accurate. On King ADFs, the needleshould park in the 90-degree position when the receiver is in "ANT" mode; otherbrands may work differently. automatic direction finder (ADF) Some aircraft are equipped with an ADF receiver. 20 Meters: 14.286 On-board equipment: ADF. ICE 4 Berlin Hauptbahnhof. Manager: T-TACAN Altitude Code. All ADF systems have loop and sense antennas. Posted: Sat Oct 03, 2020 3:03 am. If the aircraft is operating in IFR weather conditions, coordinate with the appropriate control facility. DEN FSS. 8.33kHz Actual Frequency: Aberdeen Dyce: Approach Pri VHF: 119.0500: Aberdeen Dyce: AS: 121.6800: 121.6750: Aberdeen Dyce: ATIS VHF Pri (ADN) 114.3000: Aberdeen Dyce: ATIS VHF Sec: 121.8500: Aberdeen Dyce: Ground Pri VHF: 121.7000: Aberdeen Dyce: RADAR (ICF) 1: 119.0500: Aberdeen Dyce: RADAR (ICF) 2: 128.3000: Aberdeen Dyce: Tower Pri VHF: 118.1000: The ADF can also locate transmitters in the standard AM medium wave broadcast band (530 kHz to 1700 kHz at 10 kHz increments in the Americas, 531 kHz to 1602 kHz at 9 kHz increments in the rest of the world). Wags did a video on it too. The onboard ADF receiver needs only to be tuned to the correct frequency of the broadcast transmitter for the system to work. This includes those from AM radio stations. CHANGELOG. After the AMSification numerical frequencies or analytical frequencies can be computed immediately after a geometry optimization. The 639-hertz frequency has been implemented in a variety of Visibility of 30 statute miles. You were probably listening to their uplink frequency from the studio out to the transmitter site. List 3 . 40 Meters: 7.290, 7.295. Gets a trigger. Lake Reschen Underwater Photos, But with an ADF, the indicator only moves a few inconspicuous degrees. General Commercial Frequencies 118.000 - 121.950 Air Traffic Control (See AirNav) 121.975 - 123.650 Unicom, multicom, Flight Services, Traffic Advisory (CTAF) at uncontrolled airports 123.675 - 128.800 Air Traffic Control (See AirNav) 128.825 - 132.000 Company Airlines Operational Control 132.025 - 136.475 Air Traffic Control (See AirNav) I thought F-18 couldn't use VOR. HPC benchmark input files for ADF New modules and capabilities in recent Amsterdam Modeling Suite releases ML Potential & ForceField machine learning potentials & non-reactive force fields (UFF, Amber, Tripos, GAFF, GFN-FF, Apple&P) Hybrid: multi-layer calculations with any periodicity and any number of layers + additive QM/MM with embedding Please note the Store and the forum use two (2) separate login systems. N/A Use at High Altitude. When we tune the ADF radio to the NDB frequency, the ADF indicator points to the location of the NDB. Commercial AM radio stations broadcast on 540 to 1620 Khz. Sebastian Terfloth. They receive radio signals in the medium frequency band of 190 Khz to 1750 Khz. DCS Version 2.7.0.4625. Its not usually limited to line of sight transmissions like VHF radios and NAVAIDs are. This is the latest NDB List by Robert Connolly, our Maritime Matters columnist. Are you saying we take the VOR frequency and treat it as we would any ADF signal and input the frequency into the radio? Hi Pete, When writing a Lua program I found the ADF2 swap code 66742 was swapping ADF1 frequencies instead of ADF2 frequencies. [Figure 2]. As an Amazon Associate I earn from qualifying purchases. A crab angle into the wind is found that will stop needle movement, and then double that amount of wind correction is applied. A receiver on the aircraft was tuned to the transmission frequency of the NDB. You need to be a member in order to leave a comment. Cumulus fractus covering 1 NOTE-If the pilot calls on duplex (122.1), use the VOR the pilot is tuned as the initial VOR. Australian aviation non-directional beacon Frequencies. Direction finding (DF), or radio direction finding (RDF), is - in accordance with International Telecommunication Union (ITU) - defined as radio location that uses the reception of radio waves to determine the direction in which a radio station or an object is located. By Aaron D. Duracher, Sr. A to C D to K L to P R to Y. KHZis a Time series datasets can contain a seasonal component. I did set up the frequency the map told me for the small airporton Sirri Island, switched my COMM2 to ADF and nothing happened. When an ILS is equipped with a LOM, the ADF can be a big help in visualizing yourposition while maneuvering for the approach. ADF receivers can be mounted in the flight deck with the controls accessible to the user. ADF COMPONENTS; ADF Receiver : pilot can tune the station desired and to select the mode of operation. Federal Aviation Administration 800 Independence Avenue, SW Washington, DC 20591 866.835.5322 (866-TELL-FAA) Contact Us v3 Brings a visual and auditory experience like nothing before The beacons are under the Radio Beacons section in CTLD. NDB instrument approaches require the pilot to track the final approach course carefully, and homing to or from the station with no wind drift correction will lead the unsuspecting pilot dangerously off course. ADF (Automatic Direction Finder) is the radio signals in the low to medium frequency band of 190 Khz. Are Flashbangs Legal In Canada, T Hours of Operation. This bank error can cause problems with the ADF momentarily when in turns. In this post I will attempt to explain the intuition behind p-value as clear as possible. An ADF in the aircraft can receive AM radio stations, and they can even be used to navigate. The Hornet radio set can tune to a relatively wide range of frequencies, including the range in which VORs transmit. The latter can be seen though by selecting the airport itself and checking the boxes in the lower left corner. The result is one instrument that always shows magnetic heading and magnetic bearing to the station. Use the ADF in your aircraft to navigate via NDBs. 1. In the early days, pre the digital age, analog ADF radios had continuous manual tuning like tuning in a radio station on an early car radio. DCS Version 2.7.0.4625. This is the NDB List Information Site Hello and welcome to the NDB List website. F-86F Radio/ADF Channels List in-cockpit. NDBs are still in service all over the world. Sure, many have been plowed up for houses or 2023 Aviation Publishing Group. Most scanners pick up the entirety of the aircraft band. Yeah, tune the VOR into the radio as if it was a com freq then flip the ADF switch to the respective radio. Click MAP icon on panel, click VOR symbol on map for frequency. [Figure 5] When ANT is selected on an ADF receiver, the loop antenna is cut out and only the sense antenna is active. CFS Information List Of ADF/NDB Frequencies. Browse e12806.adf resources on Teachers Pay Teachers, a marketplace trusted by millions of teachers for . Create an account or sign in to download this File Information Views 7 Downloads 947 Submitted November 23, 2000 An NDB or Non-Directional Beacon is a ground-based, low frequency radio transmitter used as an instrument approach for airports and offshore platforms. DCS Table of Frequencies Nevada. The goniometer stators induce voltage in a rotor that correlates to the signal of the fixed loops. Other Useful Frequencies The frequencies below may not always be manned and some are only open depending on air traffic requirements, density and prevailing weather. fitness88 This may sound like a small thing to master, but doing so is vitally important for an instrument pilot. A to C. Station. NDBs are found in other parts of the world, especially in remote areas of the Caribbean, Canada, South America, and some even parts of Europe and Asia. SAN Common System Usage. ADF channel list blank ADF channel list blank. . Maybe a dumb question I should know the answer too, but how do you tune tha ADF in the 152 and 172 to an NDB with a decimal? [Figure 3], Any ground antenna transmitting LF or MF radio waves in range of the aircraft receivers tuning capabilities can be used for ADF. This is the highest power authorized to any AM station in the United States. Tags [Add or edit tags] Name: Gunzenhausen-Reutberg Airfield Location: Gunzenhausen, Bavaria, GERMANY: GPS code: EDMH: Facility type: small_airport: Airline service? Each satellite broadcasts a A slaved compass card is expensive, but sure makes it a lot easierto fly an ADF approach. 1991-2022, Eagle Dynamics SA The needle points to thestations when the receive is in "ADF" mode. It works from the most simple radio navigation concept: a ground-based radio transmitter (the NDB) sends an omnidirectional signal to an aircraft loop antenna. Tom Allensworth, 74. This fun and informative podcast focuses on books, reading, and Mississippi's libraries. Australian aviation non-directional beacon Frequencies are from 200kHz to 490kHz and represent a useful source for studying LF and lower MF band propagation and for refining receiving systems on and around these bands. All GPS satellites broadcast on at least two carrier frequencies: L1, at 1575.42 MHz, and L2, at 1227.6 MHz (newer satellites also broadcast on L5 at 1176 MHz). The simplicity of the ADF instrument was part of the problem. ), The H-field induces a voltage into the windings of the ADF loop antenna. For example, B646 (Blue 646) crosses from Mexico to The Bahamas through the Florida Keys and G13 (Green 13) lies along the Outer Banks of North Carolina. Claudius Galen Contribution To Medicine, Bureau Of International Security And Nonproliferation Jobs, american craftsman windows replacement parts, horsetooth reservoir cliff jumping accident, kleenguard maverick safety glasses prescription, how do restaurants affect the environment. The tuning knobs let you select the desired NDB frequency. Typically a two-character Morse code designator is used. Illinois Toll Highway Authority (ITHA) Public Safety. Contains all DCS Airports with their: Name. NDBs are described in Chapter 1-1-2 of the Aeronautical Information Manual (AIM). Few clouds at 25000 feet. The ADF/NDB navigation system is one of the oldest air navigation systems still in use today. By electricaltill, February 26, 2019 in DCS: Ka-50 Black Shark. The displacement counts in the logfile do not run over the actually performed displacements but over all atomic coordinates that could be displaced if no use were made of symmetry properties. Scroll down below the video for more text and images. Just want to report that both 'COM RADIO FRACT DEC CARRY' and 'COM2 RADIO FRACT DEC CARRY' are increasing the frequencies instead of decreasing them. Indianapolis (ZID) Air Route Traffic Control Center. Man in Seat61. However, I was not able to set the decimal frequency digit in the steam gauge C172 just by using the mouse. I hope this helps. Lists all the articles for Category:Michigan that contain United States Frequencies information as submitted by the members. But the technology is antiquated, and the current FAA policy is not to repair or replace NDB stations as they break down from old age. 111.80 MHz Class. Runways. The FCC has released new numbers show 30,367 total licensed broadcast outlets ( AM / FM /TV) in the United states. An NDB with a relative bearing of 90 degrees lies off the right wingtip, while one with a relative bearing of 180 is directly behind the aircraft. IMO fighting it will just increase the IFF hell which already is a problem on many servers. 3. frequency radial distance north island. Using this list https://fsuipc.simflight.com/beta/The_2016_List_of_FSX_and_P3D_Controls.pdf I found ADF1 RADIO SWAP - 66741 but the control is not listed within FSUIPC7 itself That control was removed as it is not listed in the MSFS documentation. The mixing or heterodyning of the two produces signals at 400 KHz, 402 KHz, 802 KHz and 2 KHz . Nobody seemsto know. A USTRALIAN POLICE HF RADIO NETWORKS. Some people call the ADF a "poor mans radar" becauseif lightning is going on the ADF will in some cases point to it. Includes aircraft types, aircraft squadrons, and their locations. Dispatch freq Contribute to ioChem-BD/readthedocs development by creating an account on GitHub. Runways. Get Event Subscription Status. Unlike VORs, NDBs do not have a flag to indicate if a station goes off the air. The tuning knobs let you select the desired NDB frequency. TONE button. Most ADFs also receive the standard AMbroadcast band at 550-1600 Khz. Hard disk drives are accessed over one of a number of bus types, including parallel ATA (PATA, also called IDE or EIDE; described before the introduction of SATA as ATA), Serial ATA (SATA), SCSI, Serial Attached SCSI (SAS), and Fibre Channel.Bridge circuitry is sometimes used to connect hard disk drives to buses with which they cannot communicate natively, such as IEEE 1394, USB, SCSI Open document tray (A). Home Uncategorized Complete list of Airband Frequencies.. Save my name, email, and website in this browser for the next time I comment. Currently, there are more than 150 FM stations in Kenya providing vast information and 24hour entertainment From this chapter of our Flight Simulator 2020 guide you will learn how to display ILS frequencies for a given runway to land on it according to instrument directions. Seattle-Tacoma Intl Airport Frequencies. alpha is the coefficient of the first lag on Y. Null Hypothesis (H0): alpha=1. By Non-Directional Beacon operate in the frequency band of 190 to 535 Khz. Create an account or login to update airport frequencies. The Radio Reference Database (United States)Frequency Search by StateRetrieve by StateSearch by System IDFCC Callsign DataSearch for FCC EntityTrunked System Reports Powerful RF Performance Features Advanced RF performance and configuration features include spectral analysis, airtime fairness, and band steering. nrs tacan 109.20 mhz 338 10.94 nm se oceanside. Ex Firefighter, Lat/Lon. Cardiff is not the only place I've had this issue. The HF frequencies will be monitored most evenings and weekends outside the scheduled net times. This causes the ADF needle to fluctuate. Possible cause 1: problems with the electronic configuration. Make sure any original has been removed from platen. ADF information can be displayed on the ADF indicators mentioned or it can be digital. 28 January 2023. Dispatch - Many carriers have their own dispatch frequencies but some use the ARINC En Route Service instead as needed. With all versions of MSFS, i used ADF to flight NDB to NDB. NDBs can be used just like VORs are to define an airway. An even better option is the RMI, or remote magnetic indicator. If it doesnt, then thisfunction is usually activated by switching to "ANT" mode. TUNE YOUR V-O-R RECEIVER TO THE (name) V-O-R, FREQUENCY (frequency) IDENTIFICATION (identification). ACTIONS REQUIRED. (On larger aircraft, the sense antenna may be located on thebottom of the aircraft.). When an ADF signal is received, the pilot rotates the card so that the present heading is at the top of the scale. . There are four primary errors caused by various sources of interference. Now, GPS satellite-based navigation is becoming the new backbone of the system. 70. The ADF will also receive the standard AM broadcast band at 550 to 1600 kHz. Performed failure analysis of the transmitter's . Relative bearing alone is not an overly significant number. Possible cause 1: problems with the electronic configuration. The frequency is selected using the frequency select knobs which are rotated either clockwise or anti-clockwise. We can accept what DCS gives the mission creators to play with or try to fight it. This is the latest NDB List by Robert Connolly, our Maritime Matters columnist. This erroneous method is known as homing to the station. NDBs transmit a vertically polarized wave which means the E-field is vertical andthe H-field is horizontal.